SERVICE PROCEDURES 88
TO REMOVE THE POWER SUPPLY
1. Shut down, and then open the E-41 (see pages 49 and 51).
To access the power supply, you must remove the left panel.
2. Remove the power cable from the HDD.
3. Remove the power and data combination cable from the DVD drive.
4. Remove the 20-pin motherboard power cable from motherboard connector PW2.
5. Remove the 8-pin CPU power cable from motherboard connector PW1.
6. Remove the reusable tie-wrap securing the power cables to the chassis support beam.
Do not cut the tie-wrap. Squeeze the tab to unlock it, and then open it completely and
remove it. You will reattach the tie-wrap later when you replace the power supply.
7. Remove the ferrites that are installed around the HDD power cables.
Carefully pry open the latches on the sides of the ferrites and remove the ferrites from the
cables. Set the ferrites aside so that you can replace them later.
8. Remove four of the five screws that attach the power supply to the back of the chassis
(see Figure 30 on page 89).
9. While supporting the power supply, remove the fifth screw.
Set the screws aside so that you can replace them later.
10. Lift the power supply out of the chassis.
Carefully gather the power supply cables as you remove the power supply.
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