Thermal Shield - HP PROBOOK 4520S Maintenance And Service Manual

3. Remove the cables from the routing channels and the speakers (3) from the computer.
Reverse this procedure to install the speakers.

Thermal shield

NOTE:
The spare part number for the thermal shield is 603700-001.
Before removing the thermal shield, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4.
Remove the battery (see
5.
Remove the switch cover and keyboard (see
NOTE:
removing the thermal shield.
Battery on page
It is not necessary to disconnect the keyboard cable from the system board before
55).
Switch cover and keyboard on page
Component replacement procedures
56).
67