Replacing The Wlan Module - HP EliteDesk 800 G2 Desktop Mini Hardware Reference Manual

Replacing the WLAN module

1. Remove/disengage any security devices that prohibit opening the computer.
2. Remove all removable media, such as a USB flash drive, from the computer.
3. Turn off the computer properly through the operating system, then turn off any external devices.
4. Disconnect the AC power cord from the AC outlet and disconnect any external devices.
CAUTION:
the system is plugged into an active AC outlet. You must disconnect the AC power cord to avoid damage
to the internal components of the thin client.
5. If the computer is on a stand, remove the computer from the stand and lay the computer down.
6. Remove the computer access panel.
7. Pull the blue tab (1) to disconnect the HDD power and data cable from the HDD.
WARNING!
to cool before touching.
8. Pull and hold the release lever next to the rear of the HDD outward (2).
9. Slide the drive back until it stops, and then lift the drive up and out of the cage (3).
10. If your model is an EliteDesk 800, remove the secondary fan under the HDD.
a. Disconnect the fan plug from the system board (1).
b. Remove the two screws securing the secondary fan (2).
Regardless of the power-on state, voltage is always present on the system board as long as
To reduce risk of personal injury from hot surfaces, allow the internal system components
Replacing the WLAN module 25