Dell Dimension 2350 - Manual (Page 18)

5. Remove the computer cover .
6. Release and remove the front panel:
a. Push the release lever to release the top tab.
b. Reach inside the computer and push the bottom tab towards you to release it (the middle tab releases automatically).
c. Rotate the front panel to separate it from the side hinges.
Replacing the Front Panel
To replace the front panel, attach the side hinges and then rotate the front panel until it snaps onto the front of the computer.
Removing the Front-Panel Insert
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening 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.