Lenovo IdeaCentre K220 User Manual download pdf (Page 20)

Hardware Replacement Guide

Replacing the power supply

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

HMM, go to the Support Web site at:

http://consumersupport.lenovo.com

To replace the power supply:

1. Remove the computer cover. Refer to “Removing the computer cover”.

Note: For this procedure, it helps to lay the computer on its side.

2. Disconnect the power supply cables from the system board and from all

drives. Refer to “Identifying parts on the system board”.

3. Remove the four screws that secure the power supply at the rear of the

chassis.

4. Lift the power supply out of the chassis.

5. Install the new power supply into the chassis so that the screw holes in the

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Lenovo IdeaCentre K220 User Manual Page 20