Toshiba Satellite U405D-S2902 Cooling Fans Replacement

Turn the laptop over.

Slide back the left lock, and you should hear a click when it is successfully locked back in.

Rotate the laptop 180 degrees so that the battery is near you.

Hold back the spring slide and pull the battery out.

Situate the laptop so that it is open and the display is facing you.

Use the plastic opening tool to pry the black plastic insert upward. The insert can be found at the top of the keyboard.

Once the insert is loose, carefully remove it from the device.

Using #1 Phillips Screwdriver, remove both of the 5 mm screws that are located beneath the insert.

Use the plastic opening tool to begin removing the keys off of the device.

Lift up the gate on the ZIF socket to release the ribbon.

Ease the ribbon connecting the keyboard to the motherboard out of the ZIF socket.

With the keyboard removed, locate the marked screws.

Remove the marked, 5mm screws using the #1 Phillips Screwdriver.

In the opening above the mouse pad, use the plastic opening tool to push up the black gate of the ZIF socket.

Remove the ribbon from the ZIF socket.

Locate the wide opening at the top near the screen.

Use the plastic opening tool to open the black ZIF socket.

Remove the blue ribbon.

Remove the three, 3 mm screws using the #1 Phillips Screwdriver.

Grasp the power cable with your tweezers and remove it from the wireless antenna.

Locate and remove both the white and black antenna leads with the tweezers.

Remove screws for back assembly.

11 x F5 (5 mm #1 Phillips)

6 x F2 (2 mm #0 Phillips)

4 x F8 (8 mm #1 Phillips)

1 x F3 (3 mm #1 Phillips

Use the plastic opening tool to release the back panel from the laptop.

Use the plastic opening tool to separate the top faceplate.

Carefully lift the faceplate off of the base by sliding the plastic opening tool around the outside of the device. You'll hear clicks as you do this.

Lift the back panel and carefully disconnect the main power cable.

Remove the black signal cable attached at the blue circuit board.

Remove auxiliary power cable attached to the blue board at the back of the laptop.

Remove the fan mounting screws with a #1 Phillips Screwdriver.

Locate and remove the heat sink mounting screws using a #1 Phillips Screwdriver.

Carefully lift the fan and heat sink assembly.

Detach the fan power cable from the motherboard with your fingers by squeezing the white plastic connector and wiggling gently from side to side.

There will be a grey goop between the copper heat piping and the back of the processor, (indicated in pink). This is thermal paste and allows heat to flow properly.