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## Remove the Power Supply Backplane

Note - This is a cold service procedure that must be performed by qualified service personnel. See Cold Service, Replaceable by Authorized Service Personnel for more information about this category of service procedures.

| Caution - The server must be fully shut down and the power cords disconnected.

| Caution - This procedure involves handling circuit boards that are extremely sensitive to static electricity. Ensure that you follow ESD preventative practices to avoid damaging the circuit boards.

| Caution - Components inside the chassis might be hot. Use caution when servicing components inside the chassis.

1. Remove the system from the rack.

   See Remove the Server From the Rack.

2. Remove the motherboard assembly.

   See Remove the Motherboard Assembly.

3. Remove the power supplies.

   See Remove a Power Supply

4. Remove the power distribution board.

   See Remove the Power Distribution Board.

5. Remove the screw securing the power supply backplane to the power supply bay.
6. Lift the power supply backplane up and off its standoffs and out of the system.
7. Place the power supply backplane on an antistatic mat.

##### Related Information

- Install the Power Supply Backplane

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