Compaq 4000 - Manual (Page 38)

4–2 Getting Started
Internal Computer Components
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WARNING: To reduce the risk of personal injury from electrical shock
and/or hot surfaces, be sure to disconnect the power cord from the wall
outlet, and allow the internal system components to cool before
touching.
4. Disconnect all peripheral device cables from the computer.
5. Remove the access panels by loosening the screws that secure the
access panels to the computer chassis
1. Slide the access panels
back from the unit
2.
Removing the 4000 Series Access Panels
6. Turn the computer on its side with the open side facing up to
access the internal components.