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Power supply removal and installation - ThinkCentre A50, A51, A52, M52, S50, S51

View power supply removal movie
View power supply installation movie

Attention: Do not open your computer or attempt any repair before reading the "Important safety information". You can also find this information in the Quick Reference Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer.

For ThinkCentre A52 (type 8155, 8156, 8157, 8158, 8159, 8160) and M52 (type 8099, 8116, 8215, 9210, 9211) systems:

Quick Reference Guide
Hardware Maintenance Manual

For ThinkCentre A52 (type 8289, 8298, 8328, 8341, 8344, 8382) systems:

Quick Reference Guide
Hardware Maintenance Manual


Replacing the power supply
  1. Remove the screws at the rear of the chassis that secure the power supply.

Removing screws

  1. Open the computer cover. See "Opening the cover".
  2. Pivot the drive bay assembly upward to gain access to the cable connections.

Pivot drive bay assembly

  1. Locate the power supply. See "Locating components".
    Important: Note the cable routing. It is important to route the cables the same way after you install the new power supply assembly.
  2. Disconnect the power supply cables from the hard disk drive and optical drive.
  3. Disconnect the power supply cables 1 and 2 from the system board.

Power supply cables

  1. Slide the power supply forward and remove from the computer.

Remove the power supply

  1. Install the new power supply into the chassis so that the screw holes in the power supply assembly align with those in the chassis.
    Note: Use only the screws that are provided.
  2. Install and tighten the assembly screws into the rear of the chassis.
  3. Reconnect the power supply connectors to the hard disk drive and optical drive.
  4. Reconnect the power supply cables to the system board.
  5. Go to "Completing the parts replacement".
Purchase parts online

  • Alias ID: MIGR-60459
  • Document ID: PD013802
  • Last Updated :6/17/2014
  • (c) 2014 Lenovo