4 Replacement Procedures  4.3 MDC  Module 
4-12  Satellite/Satellite Pro/C650D/C655D     Maintenance Manual 
Installing the Memory Module 
Install the memory module according to the following procedures and Figures 4-3, after 
checking that the computer is turned off in boot mode. 
CAUTION:  Install the optional memory after turning off the computer. If this is 
violated, the computer or memory can be damaged. 
1.  Insert the memory module into the connector at an angle of 45 degrees. 
2.  Press down on the memory module so that it is secured with both memory lock 
latches. 
3.  Reinstall the optional memory cover. 
4.  Secure the optional memory cover with the optional memory cover securing screw. 
After the computer is turned on, check the hardware configuration in the Hardware Setup or 
TSETUP program to make sure that the installed memory module has been recognized by the 
system. If it has not been recognized yet, check the connections.