Hardware Reference Guide
Table Of Contents
- Product features
- Setup
- Hardware upgrades
- Serviceability features
- Warnings and cautions
- Removing and installing the access panel
- Removing and installing the access panel of the HP EliteDesk 800 35W
- Upgrading system memory
- Removing a hard drive
- Installing a hard drive
- Replacing an M.2 PCIe solid-state drive
- Replacing the WLAN module
- Installing an external antenna
- Replacing the battery
- Synchronizing the optional wireless keyboard and mouse
- Electrostatic discharge
- Computer operating guidelines, routine care and shipping preparation
- Accessibility
- Index

a. Disconnect the fan assembly plug (1) from the system board.
b. Loosen the three captive screws securing the fan assembly (2).
c. Lift the fan assembly out of the chassis (3).
7. Locate the battery and battery holder on the system board.
NOTE: You may need to use a small tool, such as tweezers or needle-nose pliers, to remove and
replace the battery.
Replacing the battery 31










