Dell Latitude C500 - Manual (Page 55)

Removing and Replacing Parts 55
8 Verify that the PC Card ejectors do not extend from the PC Card slot.
9 Turn the computer over, and remove the six M2.5 x 5-mm screws
labeled with a "circle B" that secure the system board assembly to the
bottom case assembly.
10 Remove the three M2.5 x 5-mm screws labeled with a "circle B" that
secure the fan guard to the bottom case assembly. The fan guard is
located on the right of the bottom case assembly.
S y s t e m B o a r d A s s e m b l y
11 Turn the bottom case assembly over and remove the M2.5 x 5-mm
screw, which is identified by a white "circle B" and arrow on a red label
attached to the top of the battery connector on the front center of the
system board.
12 Remove the speakers from the bottom case assembly.
M2.5 x 5-mm screw