Top Cover removal and installation - NetVista 6290
Shut down your operating system, remove any media (diskettes, CDs, or tapes) from the drives, and turn off all attached devices and the computer.
Unplug all power cords from electrical outlets.
Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer.
Remove the floor stand, if attached.
Remove the screw that secures the cover at the rear of the system unit.
Carefully slide the cover forward and lift it up to remove.
Cover installation After working with options, you need to install any removed parts, replace the cover, and reconnect cables, including telephone lines and power cords. Also, depending on the option that is installed, you might need to confirm the updated information in the IBM Setup Utility program.
To replace the cover and connect cables to your computer:
Ensure that all components have been reassembled correctly and that no tools or loose screws are left inside your computer.
Clear any cables that might impede the replacement of the cover.
Place the cover over the computer and slide it to the rear until it is fully closed. Secure the cover with the screw.