HP ENVY 17 Maintenance And Service Manual page 60

4. Turn the computer right side up and carefully remove the top cover.
NOTE:
5. Carefully disconnect the following cables:
Power button cable (1)
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Keyboard cable (2)
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TouchPad cable (3)
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Fingerprint reader cable (4) (select models only)
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Backlit keyboard cable (5) (select models only)
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6. Lift the topcover (6) to remove it from the computer.
50 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Use a thin, non-conductive tool to lift the top cover..