HP ProBook 4520s Maintenance And Service Manual page 95

6. Disconnect the power button cable from the system board (see
7. Remove the speakers (see
8. Remove the thermal shield (see
Remove the display cables:
1. Remove the tape that holds the cables in place(1). Disconnect the display and webcam cables
from the system board and from the routing channels.
2. Disconnect the cable connectors for the display (2) and microphone (3) from the system board.
3. Disconnect the WLAN and WWAN cables (4) from the tape and from the routing channels built
into the top cover.
Remove the display assembly:
1. Position the computer right-side up with the front toward you.
2. Open the computer as far as possible.
CAUTION: Support the display assembly when removing the retaining screws. Failure to
support the display assembly can result in damage to the display assembly and other computer
components.
3. Remove the six Torx M2.5×6.0 screws (1) that secure the display assembly to the computer.
Speakers on page 60)
Thermal shield on page
Power button board on page
62).
Component replacement procedures
58).
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