3.
Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
4.
If applicable, remove the computer stand (for instructions, see the documentation that came with the stand) and the cable cover, if attached.
5.
Remove the computer cover:
l
Remove the
mini tower computer cover
.
l
Remove the
desktop computer cover
.
l
Remove the
small form factor computer cover
.
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CAUTION:
To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
NOTICE:
Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of
the computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal
components.
Summary of Contents for OptiPlex GX520
Page 22: ...4 Press Alt b to restart the computer and implement your changes Back to Contents Page ...
Page 29: ......
Page 97: ...Back to Contents Page ...
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Page 149: ...10 Replace the computer cover Back to Contents Page 3 captive screw housing 2 ...
Page 157: ...Back to Contents Page ...
Page 166: ...Back to Contents Page ...
Page 181: ...10 Replace the computer cover Back to Contents Page 3 captive screw in housing 2 ...
Page 222: ...Back to Contents Page Dell OptiPlex GX520 User s Guide Back to Contents Page ...