HP EliteBook 8770w Mobile Workstation Maintenance and Service Guide

Before removing the power connector cable, 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
Battery on page 51).
5. Remove the service access cover (see
Service access cover on page 52).
6. Remove the optical drive (see
Optical drive on page 63) or upgrade bay hard drive (see Upgrade
bay hard drive on page 66).
7. Remove the keyboard (see
Keyboard on page 71).
8. Remove the top cover (see
Top cover on page 83).
9. Remove the display assembly (see
Display assembly on page 88).
10. Remove the fan/graphics board heat sink (see
Fan/graphics board heat sink assembly
on page 75).
11. Remove the processor heat sink (see
Processor heat sink on page 110).
Remove the power connector cable:
▲
Remove the power connector cable jack from the base enclosure.
Reverse this procedure to install the Power connector cable.
Security lock
The security lock is included with the base enclosure assembly, spare part number 652535-001.
108 Chapter 4 Removal and replacement procedures