Einleitung
This guide teaches how to replace the motherboard from an Asus ASUS U50F-RBBAG05 Series laptop, but before replacing the motherboard, check out this troubleshooting page: Computer Motherboard Troubleshooting
If you still feel you need to replace it, understand this is a very difficult and meticulous 27-step job, requiring discipline, fine motor skill, and mechanical instinct. Much of the computer must be disassembled, and some of the exact motions are not easily shown through photos, reasons why this is classified as a high risk replacement. Reassembling the computer after replacement is yet another nightmare, fraught with considerable danger to the computer, especially with the wiring.
WARNINGS:
NEVER tug on any wires. Very gently remove any wires as instructed. Wires can be brittle or fragile.
Avoid collateral damage. Make absolute certain before applying force to pry components off, and use as little force as possible.
Take careful notes and records during the disassembly process. Every step will be done in reverse for reassembly after replacement of the motherboard occurs.
NOTE: This guide stops at the removal of the motherboard. It does not explicitly describe how to replace the motherboard but rather implies the new one should be placed as the old one was placed. Steps must be carefully reversed, but reassembly often proves far more difficult than disassembly. Take careful notes during disassembly.
Good luck.
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Turn the laptop over so the bottom is facing up.
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Slide the two tabs on the bottom of the laptop toward the edges of laptop.
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Slide the left tab to the left to lock it into the unlocked position. The red showing next to the tab signifies that it's unlocked.
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Hold down the tab on the right side, then begin sliding the battery out.
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Remove the old battery.
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Using your finger, push the hard drive back.
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Pry up the drive with an opening tool (or your fingernail).
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Use the Phillips #1 to remove two screws from the fan that attach it to the motherboard.
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Remove the four screws on the heat sink.
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Pull the bundled cable away from the connector in the same direction the individual wires are running.
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Pull up the heat sink a bit and then pull back.
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Lift and remove both the fan and heat sink.
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Insert one of the pry tools under a top corner and the other tool under the side of the same corner. Make sure to get under the metal of the keyboard, not just the first layer of plastic. Then pry the corner down and out from under the little overhang its sitting under.
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Next, slide the pry tool on the top over to the next overhang and insert the second tool on the other side. Push down and pry out the keyboard.
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Repeat the same process all the way down to the opposite corner.
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Once the keyboard is free, lift it up slightly and release the cable connection underneath.
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Remove the six screws from the outer lower case.
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Remove the four screws from the hinges.
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Remove the three screws on the inner lower case.
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Remove the three screws from the optical drive area.
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Pull the two bundled cables away from the connector in the same direction as the individual wires are running.
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Pull the no-fuss ribbon cable straight out of the connector.
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Pull the single bundled cable away from the connector in the same direction as the individual wires are running.
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Pull three bundled cables away from their connectors in the same direction as the individual wires are running.
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Flip the laptop over.
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Disconnect one wire.
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Remove the tape connected to the white wire (which should not be connected to anything, but disconnect it if it is) and disconnect the black wire.
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To reassemble your device, follow these instructions in reverse order.
