HP CQ57-489CA, CQ57-439WM, CQ57-489WM, CQ57-410US manual

4.Remove the seven Phillips PM2.5×6.0 screws in the battery bay and the hard drive bay that secure the top cover to the computer.

5.Remove the two Phillips PM2.5×9.0 screws (1) and the three Phillips PM2.0×3.0 screws (2) in the battery bay that secure the top cover to the computer.

6.Turn the computer right-side up, with the front toward you.

7.Open the computer.

8.Release the ZIF connectors to which the following cables are attached, and then disconnect the cables from the system board:

●Power button board cable (1) (included with the power button board spare part kit, spare part number 646129-001)

●TouchPad button board cable (2) (included with the TouchPad button board spare part kit, spare part number 646130-001)

●TouchPad cable (3) (included in the Cable Kit, spare part number 646119-001)

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