Lenovo THINKSTATION D10 - Manual (Page 31)

Replacing the power supply assembly
Attention
Do not open your computer or attempt any repair before reading the “Important safety
information” in the Safety and Warranty Guide that was included with your computer. To
obtain a copy of the Safety and Warranty Guide, go to the Support Web site at
http://www.lenovo.com/support.
To replace the power-supply assembly:
1. Open the computer cover. See “Opening the cover” on page 12.
2. Locate the power-supply assembly. See “Locating components” on page 8.
3. Disconnect the power-supply cables 1 , 2 and 3 from the system-board
connectors, graphics cards, and from all drives. See Figure 14.
4. Remove the power-supply cables from the cable clips and ties.
5. Disconnect the heat sink fan cable.
6. Remove the microprocessor heat sink (see “Replacing the heat sink” on page
28) nearest the power supply before removing the power supply from the
chassis.
7. Remove the four screws at the rear of the chassis that secure the power
supply. See Figure 15 on page 24.
Figure 14. System-board connectors
Chapter 3. Installing options and replacing hardware 23