Acer ENTJ77, ENTJ75, ENTJ78, ENTJ76 manual Replacing the system board

CHAPTER 3: Replacing notebook components

Replacing the system board

Tools you need to complete this task:

Phillips #0 screwdriver

Flat screwdriver or Non-marring plastic scribe

Screws removed during this task:

• 1 black M2×5 (hard drive)

• 1 black M2.5×6 (optical drive)

• 3 black M2.5×6 (keyboard cover)

• 2 black M2.5×6 (LCD panel hinge - bottom)

• 2 black M2.5×6+Nylok (LCD panel hinge - top)

• 10 M2.5×6 black (palm rest - base side)

• 3 M2.5×6 black (palm rest - top side)

• 1 black M2×4 (system board)

To replace the system board:

1Complete the steps in “Preparing the notebook” on page 47.

2Complete the steps in “Removing the battery” on page 48.

3Remove the memory from the old system board and install it on the new system board by following the instructions in the “Adding or replacing memory modules” section on page 50.

4If the notebook has a wireless card installed, remove the card from the old system board and install it on the new system board by following the instructions in the “Replacing the wireless card” section on page 52.

5Remove the hard drive by performing steps 3 and 4 of the “Replacing the hard drive” procedure on page 54.

6Remove the optical drive by performing steps 3 and 4 of the “Replacing the optical drive” procedure on page 56.

7Remove the palm rest by following steps 6–18of the “Replacing the palm rest” procedure on page 68.

8Remove the modem board by following steps 8–10of the “Replacing the modem board” procedure on page 77, then disconnect the Bluetooth module cable from its system board connector.

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