Removal And Replacement Procedures For Customer Self-Repair Parts; Component Replacement Procedures; Rtc Battery - HP EliteBook 820 G1 Maintenance And Service Manual

6 Removal and replacement
procedures for Customer Self-
Repair parts
NOTE:
The Customer Self-Repair program is not available in all locations. Installing a part not
supported by the Customer Self-Repair program may void your warranty. Check your warranty to
determine if Customer Self-Repair is supported in your location.

Component replacement procedures

This chapter provides removal and replacement procedures for Authorized Service Provider only parts.
There are as many as 54 screws that must be removed, replaced, and/or loosened when servicing the
computer. Make special note of each screw size and location during removal and replacement.

RTC battery

Description
RTC battery (includes cable and double-sided adhesive)
Before removing the RTC battery, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4. Remove the service cover (see
5. Remove the battery (see
6. Remove the keyboard (see
62 Chapter 6 Removal and replacement procedures for Customer Self- Repair parts
Service cover on page
Battery on page 44).
Keyboard on page 56).
Spare part number
702853-001
42).