iMac Intel 20" EMC 2133 and 2210 Video Card Replacement

Geschrieben von: Walter Galan
  • Kommentare: 119
iMac Intel 20" EMC 2133 and 2210 Video Card Replacement

Schwierigkeitsgrad

Moderate

Schritte

42

Zeitaufwand

1 - 2 Stunden

Einleitung

Replace a faulty video card to bring your iMac's graphics back up to speed.

  1. 3BdxtI2HvAvYfdgY

    • Loosen the single Phillips screw in the center of the access door.

    • This screw is captive in the access door.

    • Remove the access door from your iMac.

    isn't it actually pc2-5300s ?

    grze -

    It is for the 2133, the 2210 uses 6400

    maccentric -

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    • The glass panel is fixed onto the front bezel with fourteen magnets around its perimeter.

    • Stick two suction cups to opposing corners of the glass panel.

    • To attach the suction cups we sell, first position the suction cup with the movable handle parallel to the face of the glass panel. While lightly holding the suction cup against the glass, raise the movable handle until it is parallel with the other handle.

    • If your suction cups refuse to stick, try cleaning both the glass panel and the suction cup with a mild solvent such as Windex.

    At this stage and later handling the LCD I found thin cotton gloves helped to reduce smudges

    john31 -

    My GPS unit's car mount suction cup worked nicely here - couldn't find any at the store and didn't want to wait for mail order!

    Two cups would make it easier but one is fine if you place it in the center and are careful to pull the panel straight out.

    Mathew Hendry -

    Why use suction cups when some finger nails will do the job nicely, though a plastic spudger might work too. Start at a top corner. Prize the glass away from the case and leave finger nails in. Move the other hand along the top edge and then with finger spread peel the screen cover away. Be careful not to twist plastic I suppose, but I've had no difficulties.

    damianwise -

    3M Command Strip hooks in opposite corners is another fabulous option when suction cups are not available!

    Adam McCombs -

    Tape works fine, here. Search for a YouTube video for a simple look-see.

    Richard -

    I didn't have any suction cups, but my pencil sharpener (the kind that suctions to the table) worked great. I put it on the middle and lifted straight up.

    Lisa Mac -

    For a quick 'n' dirty alternative "tool" for this step, take a look at IKEA's Stugvik suction hooks: they provide an excellent adjustable grip. Just used it to take apart an EMC2133. Cheers!

    hadderakk -

    Suction cups usually available at Home Depot or Lowes, in the flooring section. (They're used to handle large ceramic & stone floor tiles.)

    Griff in Fairbanks -

    I can confirm it is fairly easy to pull it up, the heavy duty suction cups were adequate of course, but pretty sure you can do it without heavy duty stuff? Panel is rather light too.

    Julien -

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    • Gently pull the glass panel straight up off the iMac.

    • The glass panel has several positioning pins around its perimeter. To avoid shearing these pins off the glass panel, be sure to only pull straight up during removal.

    • Be meticulous about cleaning the LCD and the inside face of the glass panel before reinstallation, as any fingerprints or dust trapped inside will be annoyingly visible when the display is on. Placing the glass flat, inside face down, on a fresh aluminum-foil surface is a good way to keep it clean.

    In order to avoid unnecessary smudges and what not I covered the LCD itself with some plastic wrap while doing the hard drive upgrade. When I reinstalled it all I needed to do was blow off a few dust particles.

    robgendreau -

    While you are at it, it is worth cleaning out dust within the case to help with cooling - particularly around the fans and vents.

    For the screen I used a lens cleaner from my camera bag. These have very fine fibers and won't leave detritus.

    Mathew Hendry -

    Note that the front glass panel is quite light. When reassembling I found it impossible to get the LCD free of dust with the computer lying on its back. I had success with standing the computer up, tilting the LCD down as far as it goes, holding the glass panel upright in front of the computer (about 1 foot away), lightly spraying both the LCD and the back side of the glass panel with compressed air, and then attaching the glass panel (with the computer upright). It took me 5 tries before it was completely clean of dust once the front glass was on.

    axel -

    Although I do not advise it, you can substitute the suction cups with two strips of duct tape along the sides of the glass, with the tape attached to it's self in the middle of the strip

    Erin -

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    Jason Zak -

  4. CNBFg1PCLDsLDteG

    • Remove the following 12 screws securing the front bezel to the rear case:

    • Eight 13 mm T8 Torx.

    • Four 25 mm T8 Torx.

    On the 24" EMC2134 there are 3 screw sizes: 6x13, 4x20 & 2x30mm, particular note should be made of their location.

    john31 -

    Note for the less experienced.. the case is plastic and the metal coarse thread screws will easily cut a new thread in the hole if you don't line up the screw in the original thread. Do this a few times and the hole will be stripped and the screw no longer tightens.

    TIP:- place the screw in the hole and rotate BACKWARDS/counter clockwise (for RH threads) until you hear/feel it click/drop into the original thread then tighten the screw down. rotate it a couple times to get the feel of things. If there is any significant resistance you probably don't have the original thread.

    This trick also works on the fine metal thread screws and can help avoid cross threading them.

    HIH

    Richdave -

    On the 24 inch iMac Model A1225 EMC #2134, the two T8 Torx screws in the middle are the longer of the four total bottom 25 mm screws. Just a note for reassembly.

    bhoffs -

    This step is not really explained here with pictures. But you can check this same step in another guide to help you : iMac Intel 20" EMC 2266 Frontblende austauschen

    thibault -

    I'll echo Thibault's comment. This guide does not actually tell you when and/or how to remove the bezel! Click on the other guide he linked to see the photo and instructions.

    steven -

    Make sure you're ram slot at the bottom is open to remove front frame bezel

    edgain99 -

    I think you're missing this step: With the iMac lying on its back screen facing up, grasp the aluminum sides of the bezel and carefully pull it straight up. Then disconnect the microphone cable. Took me a while to figure it out.

    Richard Cacciato -

    I found it helpful to use a few lids from spaghetti sauce jars to hold the different screws. I used a sharpie to mark the inside of the lid w/ location taken from or the step number from directions. Then I placed a small magnet under the lid to hold the screws inside the lid in case I accidentally jostle something on the table. Worked great! You can also use a magnetic knife bar to line up the lids in sequential for the project.

    tom -

    I cut a hardwood block and drew the outline of the the iMac shape with the base as key. I then drew another two lines at 1/2” and 1” all around from the outline. This done I drilled holes for each screw (12 Outer securing the front bezel to the rear case , and 8 Inner screws securing the display panel to the rear case ). That way I don’t lose any or get them mixed up.

    jmadams -

    I think the title of this chapter could be (in french) désinstallation but not Installation with is the contrary. Idem for the other chapters.

    Bertrand Guigaz -

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    • Place your hands at the top corners of the bezel (to the side) and lift the bezel 2-3cm from the body by working from the top. After this you can also disengage the bottom of the bezel (the memory modules will prevent the bottom of the bezel to detach first). When reassembling, start with the bottom of the bezel.

    • The top of the bezel hosts a microphone attached to the logic board. Gently lift the bezel to not damage the microphone wiring or connector by accidentally pulling the cable.

    • At this point, you can either detach the microphone cable and remove the bezel, or keep the microphone cable attached and rest the bezel on your work surface or the chassis of the Mac.

    • To fully detach the bezel: disconnect the microphone cable connector, removing tape as necessary.

    • To keep it attached, leave the microphone cable attached to the logic board, and place the bezel 'above' the chassis, with the microphone cable forming a hinge.

    • If you keep the microphone attached to the chassis, make sure you don't accidentally damage the microphone or logic board by bumping into the loose bezel.

    I avoided this step by just flipping the housing over and having it lay flat on the table. The tape on mine was on really tight, and I risking ripping the wires out of the connector if I messed with it (I didn't have some really small scissors which might have helped removing it). I would suggest either securing the body of the iMac and the housing to the table you're working on, or somehow securing the housing to the body, so that it doesn't move around accidentally, since it's only hanging on by a very thin wire at that point.

    robgendreau -

    ^^^ This! This tutorial should be amended for this step. Much, much easier and less damage-prone.

    (There really oughta be a step addressing the removal of the bezel as well.)

    cklarson -

    Make sure you do not pull this apart by the wires. Have a firm grasp on the plastic parts. Do not force back together. It only goes back together one way. Also, it is crucial when placing the aluminum bezel back in place that this wire is out of the way. It often gets in the way and is easily damaged.

    Kyle Freeman -

    CAUTION - To disconnect the cable, you'll need to support the bezel while you carefully extract slack microphone cable which is tightly tucked within the iMac. (I didn't have this guide's 'notes on' and missed robgendreau's warning - then inadvertently shifted the bezel and busted my microphone cable in this step.)

    dagnew -

    Don't forget to pull the microphone cord out before you put the panel back on. Otherwise you will have to go back and remove screws to find that microphone cord

    Melvin Hines -

    As robgendreau says, avoid this whole step by opening the bezel and laying it upside down above the iMac, still connected by the mic cord, just carefully. Then replace the battery, suck/blow out your dust, and carefully rotate the front bezel back over the iMac from where you removed it. No cord manipulation or damage at all!

    recmsoj -

    When reassembling the bezel, you should actually gently pull the microphone connector (and cables) through the ~1 inch long slot in the bezel next to the iSight camera, when lowering the top part of the bezel onto the chassis . Then further lower the bezel onto the chassis of the iMac, while making sure there’s no room / play between the bottom of the bezel and the bottom of the body (where the memory slots reside). . This way you’ll avoid damaging the microphone cable. Finally gently push the microphone wires and connector through that sale long slot in the bezel to conceal them inside the bezel.

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    Jason Zak -

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    • When reassembling the bezel:

    • be sure to tuck the microphone cable and connector into the void next to the camera board.

    • Gently guide the microphone connector and cables through the ±1in long slot at the right of the iSight camera. Once the bezel is properly assembled, gently push the microphone connector and cable into the bezel through that slot.

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    • Pull the LCD temperature sensor connector straight up out of its socket on the logic board.

    • If necessary, de-route the LCD temperature sensor cable from behind the logic board.

    • When you remove the LCD, check the routing of the LCD temperature display cable. On reinstalling the display, be sure this cable does not block one of the bottom screws for the front bezel.

    This was the most confusing step, because the video shows MJ just tilting the monitor open, and I had a ribbon cable hooked up to it. Finally figured out that the ribbon cable was connected to the LCD temp sensor cable, and it was neatly tucked under the adjacent fan. Had to pull it pretty hard to get it out from under the fan, and then could tilt the LCD. Instructions are not completely clear about this, only that you may have to reroute the cable around the motherboard.

    d3nn151950 -

    I agree, there is no sign of how to remove the bezel (it took me several minutes to understand it was even the bezel that came off here) in these steps (in all the guides for this model, in fact). On step 4 says remove the LCD screws, and suddenly step 6 shows innards and fans etc - !! - What about showing the bezel being removed here - super confusing and not up to usual ifixit high standards.

    hutchwilco -

    If you rush through the reassembly, it's very easy to miss reconnecting the LCD Temp Display cable. I just did it and one of the fans came on full-speed and stayed there through a new macOS install. Did a Google search and found mention of this symptom. At first I was thinking I switched one or more of the inverter cables but this guide shows that this is not a problem. Once I reviewed this step, the problem was obvious as was the solution. Thanks again, iFixit, for saving my nappy behind.

    barryjaylevine -

    I can speak from experience, this cable’s a pain. It came out of where I tucked it and snuck behind one of the bottom screws, which pierced it during reassembly, afterward it would not boot properly. It’ll boot without the cable plugged in, but the fan runs near max. I’m glad it can at least be used while I wait for the replacement cable to ship. What a weird (lazy) design choice from Apple.

    Ian Sprenkle -

    In case the iMac hasn’t been opened for years (typical situation), then you may want to first carefully and prudently remove the piled up dust with a vacuum cleaner and a soft brush. Definitely not with a can of compressed air, as then you’ll spill the debris everywhere (and on the display). Otherwise you won’t be able to get hold of the right cable, connector or screw. In addition, it will help increase the air flow hence reduce heat (and allow the fans to operate at a lower speed).

    Olivier Biot -

    hi could some one help me with this cable replacing as it has been damaged i mean i would like to know if i could repair the wire or simply replace it and also what type of wire i would need and how could i find one please i m new thanks

    kazi

    suhrab kazi -

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    • Remove the two 5.3 mm T6 Torx screws securing the data display cable to the logic board.

    My Torx 6 driver purchased from ifixit didn't fit the screws well and potentially would strip them. Had to purchase a better driver to fit better in order to loosen these screws.

    kakisback -

    reinstalling these screws requires extra care to be sure you don't drop it and loose it under any of the other components.

    kakisback -

    Make sure not to drop the screws.

    ulan -

    Removing these screws was the most difficult part of the whole job. They were tight and felt as if the heads were about to chew up. I had to press really hard and jerk the screwdriver counter clockwise to loosen them. Despite others' warnings, I managed to drop a screw when reinserting.

    kevinp -

    The only tool I needed to buy was the T6 Star Bit - the first auto store I went to had it. These screws are tiny so you have to be careful not to drop them!

    James Miles -

    When reinstalling these tiny screws, consider placing the iMac upright. That way when you (inevitably) drop these tiny screws, you don't lose them in the guts of the computer where they are likely to fall into a fan.

    stown1211 -

    Yes, this step is very difficult. I finally used a magnet to magnetize the torx driver, and that helped immensely...however, that was AFTER I lost the right one inside the computer. You really only need one screw to reattach the monitor connector, however.

    d3nn151950 -

    Argh! I dropped my right screw into the bowels of the iMac. I can't find it anywhere and am loath to leave it rattling around as well as to tear down the machine any further.

    steven macfarlane -

    Well, I followed the instructions for right-speaker removal and optical drive fan removal and still couldn't find the right screw. I couldn't hear it rattle either so figured it was wedged somewhere. Using an inspection mirror and flashlight, I finally found it. It had fallen down and wedged between the PCB and the plastic housing (below the ports). I was able to slide it toward the right until it came to the void left by the right speaker where it fell out into my hand.

    steven macfarlane -

    It's true, these were super tight. I only had a T5 which worked on the first screw, but the second wouldn't budge. Ended up filing the tip off the T5 bit - presto! - instant T6.

    marcintosh -

    I Think the real screw size is 3.5 mm T6 Torx, not 5.3 mm

    raul -

    Dropped those little bastards like 2-3 times into the deeps of my iMac. The right one is really tricky. If you drop it: better get yourself very thin tweezers and gently shake your mac. :(

    Popelnase -

    Note that just below where you are working is the PRAM battery. If you have never replaced this, now is a good time so you won't have to open the machine up again in the near future. The battery is a CR2032.

    mattgauntt -

    Taking all the warnings into account about losing these tiny screws, during removal and replacement I held onto the screws tightly with a very fine needle nose tweezer. Fortunately I managed not to lose them either out or in. I highly recommend using a small gripper during this step.

    recmsoj -

    While you have the case open this would be a good time to replace the PRAM battery and carefully clean the fan and interior of the case with Q-tips / compressed air.

    John Fisk -

    These screws are Torx 7 - at least that was what

    I used on them and got a prefect tight fit ... .

    Patrik Albin -

    torx 6 didn't do it, needed torx 7

    nielsdolieslager -

    Torx7 did NOT work for me. Torx6 did.

    pdienstm -

    If you do manage to lose one of these screws, will the cable still be held in properly if you reinstall it with only one?

    Peter Wood -

    Advice / 2 cents : Unscrew/screw with the iMac vertical/propped up and a magnetized screwdriver. Should be no issue. If it falls, it will fall on your desk, not behind stuff on the back of the iMac. You could even put iFixit magnetized mat underneath for added safety :)

    Julien -

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    • Use the attached black tab to pull the data display cable connector away from the logic board.

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    • Remove the eight 12 mm T8 Torx screws securing the display panel to the rear case.

    • Lift the display panel from its left edge and rotate it toward the right edge of the iMac.

    I was able to disconnect the two connectors to the front easily. With those off, I just rotated the LCD out of the way to expose the hard drive. Again, make sure it's stabilized if you do this so that when you yank on something else you don't send it flying.

    robgendreau -

    I did a HD replacement on my 24 inch iMac. It's basically the same, but it does not have disconnectable invertercables. Instead, there's just one cable that's can't be disconnected. It sits too tight to rotate the display to the degree that you can lean it against something, so the only way to get the job done was to call in an extra set of hands to hold the display while I took out the hard drive.

    Marijn -

    On the 2134 model, I found that the LCD must be lifted from the RIGHT (not the left as per the 2133 guide) - the connector wires are covered in nylon housing and it's way easier just having someone hold the LCD vertical whilst you replace the HDD, unless you have small fingers and feel like disconnecting completely ...

    simon -

    During reassembly, make sure that the data and temperature cables will reach their sockets before inserting the eight screws.

    kevinp -

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    • With the display panel still lifted, disconnect the four inverter cables.

    • During reinstallation, place the four inverter cable connectors in voids between components attached to the rear panel so the display panel will sit flush.

    • During reassembly, the order of the inverter cables is interchangeable within each socket.

    • If you are replacing a hard drive and have an extra set of hands, it is possible to reach in and remove the drive without disconnecting anything but the LCD temp and display connector in the previous step with the LCD in its propped position.

    Make sure to not squeeze the inverter-cables between the superdrive and the display when putting the display back on !

    epzzky -

    This was the only step different for my 2134 - it is just one cable that connects to the monitor - disconnect the monitor end rather than the motherboard side.

    Jim Laredo -

    There is no need to discnnect the inverter cables if display is positioned against a wall or something of the sort. Make sure it doesn't tumble over !!!

    info5825 -

    For 24" iMacs, a single power cable is attached on the left side of the screen. To remove the cable, lift the screen from the right side and rotate it to the left. Remove the black plastic protector on the back of the screen and disconnect the cable.

    Matt Stichnoth -

    Make sure you squeeze the two ends of the inverter cable together firmly - if not you will get yellow areas on your screen. One of my cables had not quite been clicked together, and I had to unscrew everything all over again.

    Philip -

    So does it matter which ones are connected to which?

    That is, at each end there are two connectors (one pink/black the other light blue/dark blue on the "male" side). The "female side appear identical. Does it matter if the pink/black "male" one is connected to the wrong "female" one?

    Mark Gibson -

    Mark, did you ever get an answer about the connectors?

    Mike -

    Agreed this is an unspecified issue and i'm surprised it's not covered? Did everyone else just guess?

    kainatticus -

    Yes, mark each female end in a way that distinguishes itself from the other. I put “P” on the harnesses with the pink wires and “B” on the harnesses with the blue wires.

    steven -

    So let’s say hypothetically I didn’t label them as I failed to notice that they were identical before disconnection. What should I do to resolve this issue?

    Christian Moore -

    Managed to avoid this step just lifting the lcd panel and holding it with my... head ;)

    Antonio Bernardini -

    Yes, I agree. If you just prop the panel up on the left (carefully!) with your head, or as I used a box, or get a friend to hold it up, this step can be bypassed. It is a tight squeeze inside to work with getting the HD in and out but its totally do-able. If using an SSD, which of course you should, you can just tape it down inside, as they weigh almost nothing.

    Jed Weaver -

    I'm trying to find some information on replacing the power supply temperature sensor cable. Mine broke during removal of a bad power supply.

    Mike Overholt -

    Re: Scorps comment above - I got the “beeping” too. Does anyone know how to resolve it, i.e. identify which goes with which? Other than trying every combination?

    mchlgrblsk -

    My screen is just Grey? anyone else have this happen?

    Michael McGuire -

    After replacing iMac’s HDD with a new one I’ve got white screen with vertical black and bluish bands on the left side and two horizontal lines dividing the display into three equal parts (see the image). Any idea what that might be?

    Andrey -

    I tagged the inverter cables with different color sharpies so as to get them connected back the way they were.

    Macrepair SF -

    Step 9…. before I took those tiny screws out for the data display cable on the logic board, I put the tip of the torx tool on a magnet (magnets on the front cover worked fine) for a few minutes. this magnetizes the screws so you are less likely to drop them when you go to put them back in.

    dkkd -

    I replaced the internal hard drive. worked fine. putting everything back together, the CD drive wont insert or eject discs when I tighten the screws on the right side that holds the display in place, or when I put the cover back on. CDs work fine if I leave the screws loose and/or leave the cover off. cant figure out why, i never touched the CD drive at all…

    anyone else have this issue after opening the unit up, and how did u fix it?

    dkkd -

    This happened to me and I found that a cable that had been wrapped around the side of the DVD drive had slid over top of it while I had it open. When I closed it all up, the pressure of the cable against the surface of the DVD drive was enough to impact it. I reopened the machine and pushed the cable back around the side of the DVD drive and it worked fine.

    John Moltz -

    The ‘locking tab’ faces the dot. I placed a label on main body side of the lcd connector with a P =Pink and B =Blue. This way I know to place the connector with the pink on the marked P and blue on the marked B.

    egecko -

    I went with the option of not detaching the screen. I have horror stories around inverters, mostly on notebooks, but still, don’t approach/touch if you don’t have to.

    Ask your wife/somebody to hold the screen while you go through the steps below, without detaching the cables in step 11. It is a couple minute to step 18 and having the drive out.

    Julien -

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    • Disconnect the left speaker cable connector from the audio board by pulling it straight away from its socket.

    • Pull the connector parallel to the face of the logic board.

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    • De-route the left speaker cable from the channel in the CPU fan. Continue completely de-routing the cable through the undersides of the IR board and heat sink.

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    • Disconnect the ambient temperature sensor cable by pulling its connector straight up off the logic board.

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    • If necessary, de-route the ambient temperature sensor cable from under the power button cables.

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    • Remove the single 28 mm T10 Torx screw securing the left speaker to the rear case.

    • Lift the left speaker up and out of the rear case. Don't try to slide the speaker out, since there is a plastic mounting pin under the top end of the speaker housing that holds it in place.

    I found it impossible to lift the speaker out without breaking the plastic mounting pin. All I can say is don't worry about it if it happens. When I put it back and tightened the screw, it seemed solidly in place.

    mattgauntt -

    just completed this step without breaking positioning pin. it appears a small amount of clear liquid adhesive was used to secure this top pin. i slid my hand underneath the speaker and rear case and used my other hand to guide the speaker straight up and with considerable force pulled the housing free of positioning pin without damage.

    monty -

    I found this step can be skipped, when taking out the logic board.

    Erik M -

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    • Disconnect the power button and CPU fan by lifting their connectors straight up off the logic board.

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    • Disconnect the SATA data cable from the logic board by carefully pulling it straight away from its socket.

    • The SATA connector on most iMacs tends to stick in its socket on the logic board. If you are having trouble disconnecting the SATA cable, insert a metal spudger or any other thin tool into the gap between the SATA connector and its socket and twist the spudger's shaft to safely separate the two pieces.

    It is necessary to remove the stuck on plastic cover that covers the RAM sockets in order to remove the speaker and SATA cables.

    Care is needed because it is easy to snap the plastic which has probably aged by the time dismantling takes place!

    Steve Jagger -

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    • Pull the SATA data cable out of its channel in the logic board and tuck it aside near the left edge of the rear case.

    I’m hurting my fingers, but can’t unplug it. This sucks!

    ladycerridwyn -

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    • Disconnect the DC-in cable by simultaneously depressing both locking arms and pulling its connector away from the socket on the logic board.

    • After both locking arms pass their retaining tabs, it is helpful to push them toward the left edge of your iMac with one hand while pulling on the body of the connector with your other hand.

    Thing won’t move!

    ladycerridwyn -

    Used Metal spudger with thin edge- alternating wedge action in between male & female pulling male to the left carefully. alternate pulling top them bottom.

    Macrepair SF -

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    • Use the flat end of a spudger to pry both AirPort antenna connectors up off the AirPort card.

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    • Move both AirPort antennas toward the lower edge of your iMac, out of the way of the logic board.

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    • Use the flat end of a spudger to pry the Bluetooth antenna connector up off the Bluetooth board.

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    • Pull the camera cable connector straight up out of its socket on the logic board.

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    • Pull the right speaker cable connector straight up out of its socket on the audio board.

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    • Remove the single 12 mm T10 Torx screw securing the right speaker to the rear case.

    • Lift the right speaker up and out of the rear case, to clear the plastic mounting pins underneath it.

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    • Lift the optical drive fan connector straight up out of its socket on the logic board.

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    • Use the flat end of a spudger to pry the optical drive cable clip up off the optical drive connector.

    • Lift the optical drive cable clip off the logic board.

    • During reinstallation, be sure the two raised bumps on the lower edge of the optical drive cable clip lock into the two voids on the underside of the optical drive socket.

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    • Push the optical drive cable connector toward the top of your iMac to disconnect it from the logic board.

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    • Lift the microphone cable connector straight up out of its socket on the audio board.

    • During reinstallation, ensure that the mic cable runs between the ODD fan and the board support. If the cable runs on the wrong side of the support, the cable will be too short to plug in.

    TIP for re installation..I had the mic cable around the left side board support when I installed the board so it was too short and had to pull the board a out again! Make sure the mic cable runs between the ODD fan and the board support.

    Richdave -

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    • If necessary, remove the piece of tape securing the thermal sensor and fan cables to the chassis.

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    • Disconnect the following three cables from the logic board:

    • Hard drive thermal sensor.

    • Optical drive thermal sensor.

    • Hard drive fan.

    • When removing these connectors, it is helpful use your thumbnails to push the ears on either side of the connector toward the top of your iMac.

    When I removed the connector of the hard drive fan, one of the little ear has broken…wee see now a little little part of the cable.

    Is it serious ?

    Cantou -

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    • Remove the following 13 screws securing the logic board to the rear case:

    • Six 7.2 mm coarse-thread T10 Torx.

    • Two 6.8 mm T8 Torx. When reinstalling these two screws, don't overtighten them, as the plastic tabs they hold down are thin and brittle, and can crack.

    • Three 7 mm fine-thread T10 Torx.

    • Two 24 mm T10 Torx.

    The 2133 only has 1x 24mm T10 Torx

    seaniepie -

    Assume you mean 2, not 1 - on my 2133, all screws in this step were T10.

    Ritchie Swann -

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    • Lift the logic board out of the rear case, minding any cables that may get caught.

    • If the front edge of the logic board, under the RAM sockets, won't pull up, it's sticking on the three plastic mounting pins in the rear housing under this edge. Use a spudger under the front edge of the RAM sockets to gently push up on this edge until it clears these mounting pins.

    Than you for all expirt information .

    Please, one question?

    After disassemble my IMAC for cleaning cooling system then restored all part and cable.. found that audio not working . I can hear any sound . W I can do?

    Khalid Abdrabo -

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    • Disconnect the video card thermal sensor by pulling its connector away from the socket on the logic board.

    • Pull the connector parallel to the face of the logic board.

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    • Remove the two 5 mm T8 Torx screws securing the video card to the framework on the logic board.

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    • Remove the 4.3 mm T8 Torx screw securing the video card heat sink to the framework attached to the logic board.

    1 (4.3mm) T10 not T8

    monty -

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    • Gently lift the video card assembly from its top edge and rotate it slightly toward the center of the logic board.

    • The left edge of the video card heat sink tends to get caught on the processor heat sink.

    • Pull the video card away from its socket on the logic board.

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    • Remove the four 7.5 mm T10 Torx screws securing the heat sink to the video card.

    • It may be helpful to hold the socket from the other side of the video card with a Phillips screwdriver if the screws will not come out.

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    • Gently lift the video card off the video card heat sink.

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    • Lift the metal heat sink bracket off the video card.

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    • Video card remains.

    • Be sure to apply a new layer of thermal paste to the face of the graphics processor (shown in red).

    • We have a thermal paste guide that makes reapplying thermal compound simple.

    • Before reattaching your video card heat sink, use the flat end of a spudger to re-spread the thermal compound over the face of both video RAM chips (shown in green).

    • If you are upgrading to the 256MB ATI Radeon HD 2600XT (Apple P/N 661-4436), you will need more thermal compound (i.e. K5 Pro) for the two extra RAM chips (shown in green). You can find the GPU upgrade guide here: GPU Upgrade for 20" iMac (mid 2007))

Abschluss

To reassemble your device, follow these instructions in reverse order.

Tinte & Feder

Walter Galan

685540 Reputation

18 Kommentare

What video/graphics card can I upgrade to from a ATI Mobility Radeon HD 2600 XT? I have a 2008 EMC 2210 iMac and would like upgrade my video/graphics card but I don't know how high of a upgrade is possible!?

James -

please which card should i buy to replace my old one?

Trance Voyage Sessions -

which card should we buy for a early 2008 imac? and how do you put it all back together ?

Trance Voyage Sessions -

is the 2210 the Radeon HD 2600 XT?

Ricardo -

No its the iMac model.

Padraic Hoselton -

I thank you for your most graphic and explanatory help video.

The screen on our 2008 20 inch IMac was eventually nothing but green vertical bars .

No video information or audio, just green bars.

I replaced the video card following this video.

Every thing is now perfect.

Please continue to offer these for others.

Well done!

Bob -

Great tutorial. I used the "oven trick" to bring my video card back to live. 10 minutes at 200 degrees celcius.

stefan -

Stefan, please explain - where can I find instructions on the “oven trick”? Will that solve vertical color lines?

mchlgrblsk -

A video would have been helpful. I'm a verbal learner.

ladycerridwyn -

Can I replace the HD2400XT with the GT730M?

Andrea Barbone -

Does somebody know with which card it is possible to upgrade the iMac (20-inch, Early 2008, Model 2210) ?

Lotus Blüte -

Hi, first of all thank you for your useful and clear tutorial

I need to replace video card of my iMac (20-inch Mid 2007)- EMC No. 2133 - Model No. A1224.

Which kind of video card I have to buy? ATI Radeon HD 2400 128MB or ATI Radeon HD 2600 PRO 128MB

Thank you in advance for your support

Salvatore

tom waits -

You guys are my heroes! I followed the steps and repaired my 12 years old iMac successfully. Thanks for putting the time to explain this procedure in a couple of easy steps.

Thomas Religieux -

Hi, Thomas

Can you the graphics video card model no.? With the new video card installed what are the most noticeable performance improvement, play youtube with higher rates? Thanks for sharing

David444 -

Does anyone know what is the thickness of the pads for the GPU chips? on early 2008 model?

david.lepernoise -

Thank‘s a lot.

After baking the videocard at 200°C for 10 minutes and putting all together again everithing seems to work fine again. The second life of the IMac!

Monika + Béla -

I pulled my trusty 2008 iMac out of storage to see the video card has died and am thinking of just doing the oven trick (actually we will use our desoldering heat gun), I just don’t see the need to spend another $100 on this beautiful but now outdated machine.

Russell Courtenay -

Thx a lot!!!! :)

Yiannis V. -