Lenovo IdeaCentre K200 K200 Hardware Maintenance Manual - Page 33
Replacing the power supply
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Chapter 7. Replacing hardware 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 or HMM, go to the Support Web site at http://www.lenovo.com/support. 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 power supply align with those in the chassis. 6. Install the four screws to secure the power supply. Note: Use only the screws provided by Lenovo. 7. Reconnect the power supply connectors to the system board. 31