Lenovo 3000 H305 Desktop - Manual (Page 44)

Hardware Maintenance Manual
42
Replacing the CPU
Attention
Do not remove the computer cover or attempt any repair before
reading the “Important safety information” in the Safety and Warranty
Guide that was included with your computer or in the Hardware
Maintenance Manual (HMM) for the computer. To obtain copies of the
Safety and Warranty Guide or HMM, go to the Support Web site at
http://consumersupport.lenovo.com
To replace an CPU
1. Remove the computer cover. Refer to “Removing the computer cover”.
2. Remove the front bezel. Refer to “Removing the front bezel”.
3. Remove the optical disk drive. Refer to “Replacing the optical disk drive”.
4. Remove the system fan. Refer to “Replacing the system fan”.
5. Remove the heatsink. Refer to “Replacing the heatsink”.
6. To remove the microprocessor from the system board, press then
slide the small handle out to spring it up. and open the retainer .