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## Remove the Hard Drive 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.

Note - You must remove the hard drive cage in order to remove the disk backplane. See Remove the Hard Drive Cage.

1. Perform the preliminary steps required for cold service procedures.

   See Cold Service, Replaceable by Customer for instructions.

2. Remove the server from the rack.

   See Remove the Server From the Rack.

3. Remove the top cover.

   See Remove the Top Cover.

4. Remove the hard drive cage.

   See Remove the Hard Drive Cage.

5. Remove the four No. 2 Phillips screws securing the backplane to the hard drive cage.

   Tip - Place the hard drive cage upright on its front face for easier access to the backplane screws.

   Figure 52 Removing a Hard Drive Backplane

6. Remove the plastic backplane retention bracket from the backplane and set it aside for use when installing the backplane.

   Tip - Make note of how the alignment clip is installed so you can position it properly when installing the backplane.

7. Slide the backplane down and off the hard drive cage retention hooks.
8. Place the hard drive backplane on an antistatic mat.

##### Related Information

- Install the Hard Drive Backplane

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