Removing and Replacing Parts : Dell Latitude C600/C500 Series Service Manual
b.Replace the nine M2.5 x
c.Replace the fan guard cover, inserting the tab into the bottom case assembly and replace the three M2.5 x
replace the screw opposite the tab first, it makes it easier to insert and replace the other two screws.
4.Replace the memory modules,
NOTE: Be sure to route cables so that they will not be crimped or pinched when the complete assembly is put back together.
5.Replace the palmrest assembly, the display assembly, the keyboard assembly, and the hard drive.
6.Replace the modular bay devices and any PC Cards or plastic blanks in the PC Card slot.
7.Insert the diskette or CD that accompanied the replacement system board assembly into the appropriate drive, and turn on the computer. Follow the instructions on the screen.
NOTE: After replacing the system board assembly, be sure to enter the system's service tag number into the BIOS of the replacement system board assembly.