HP XU - Manual (Page 41)

English 25
2 How to Install Accessories Inside Your PC Workstation
Removing and Replacing the Cover
Removing and Replacing the Cover
WARNING
For your safety, never remove the PC Workstation’s cover without first
removing the power cord from the power outlet, and any connection to
a telecommunications network. Always replace the cover on the
PC Workstation before switching it on again.
Removing the Cover
1 Switch off the display and computer.
2 Disconnect all power cables and any telecommunications cables.
3 If necessary, unlock the cover using the key on the back panel.
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