4 Replacement Procedures 
Satellite A660/ProA660 Series Maintenance Manual  4-54 
4.22  CPU 
Removing the CPU 
Remove the CPU according to the following procedures and Figure 4.44. 
CAUTION: 
When removing the CPU, keep the following in mind: 
The CPU can become very hot during operation. Be sure to let it cool down before starting 
repair work. 
 
1.  Use a flat blade screwdriver to unlock the CPU by rotating the cam on the CPU socket 
counterclockwise to the unlock position, aligning the divot on the cam with the 
‘unlocked’ icon as shown in Figure 4.44. 
2.  Remove the CPU. 
 
Figure 4.44 Removing the CPU