Print
login Konto
Search

Replacing the power supply - ThinkCentre M90z

This section provides instructions on how to replace the power supply.

To replace the power supply, do the following:

  1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
  2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up.
  3. Remove the computer cover. See Removing the computer cover.
  4. Disconnect the power supply cable from the system board. See System board part and connector locations.
  5. Remove the hard disk drive. See Replacing the hard disk drive.
  6. Remove the rear I/O assembly cover. See Removing or reinstalling the rear I/O assembly cover.
  7. Remove the four screws 1 that secure the power supply and then remove the two screws 2 that secure the power cord connector bracket. Note the routing of the power cord connector cable 3. Lift the power supply up to remove it from the computer main bracket.

Removing the power supply

  1. Remove the two screws 4 (as show in the above picture) that secure the power cord connector and then remove the power cord connector from the power cord connector bracket.
  2. Install the two screws to secure the new power cord connector to the power cord connector bracket.
  3. Position the new power supply in the computer and align the four screw holes in the new power supply with those in the computer main bracket. Install the four screws to secure the new power supply.
  4. Route the new power cord connector cable and then position the power cord connector bracket on the bottom of the computer main bracket.
  5. Align the two screw holes in the power cord connector bracket with those in the computer main bracket and install the two screws to secure the power cord connector bracket.
  6. Connect the new power supply cable to the power supply connector on the system board. See System board part and connector locations.
  7. Reinstall the hard disk drive. See Replacing the hard disk drive.
  8. Reinstall the rear I/O assembly cover. See Removing or reinstalling the rear I/O assembly cover.
  9. To complete the installation or replacement, see Completing the parts replacement.

 


  • Alias ID: MIGR-75357
  • Document ID: HT036607
  • Last Updated :17.06.2014
  • (c) 2014 Lenovo