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10. If you are instructed to return the old diagnostic module, follow all packaging instructions and use any
packaging materials that are supplied to you for shipping.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to “Completing the parts replacement” on page 152.
Replacing the diagnostic module for server models with 2.5-inch hard disk drives
Attention: Do not open your server or attempt any repair before reading and understanding “Safety information”
on page iii
and “Guidelines” on page 69.
To replace the diagnostic module for server models with 2.5-inch hard disk drives, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. If the server is installed in a rack cabinet, remove the server from the rack cabinet and place it on a at,
clean, and static-protective surface. See the Rack Installation Instructions that comes with the server.
3. Remove the server cover. See “Removing the server cover” on page 71.
4. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 73.
5. Remove the cooling shroud. See “Removing and reinstalling the cooling shroud” on page 76.
6. Locate the diagnostic module. See “Server components” on page 29.
7. Remove the left cage. See “Removing and reinstalling the left cage” on page 78.
8. Remove the front panel board. See “Replacing the front panel board” on page 141.
9. Disconnect the cable from the rear of the diagnostic module.
10. Press the release tab 1 in the direction as shown and then push the diagnostic module out of the
front of the left cage.
Figure 115. Removing the diagnostic module from the left cage of server models with 2.5-inch hard disk drives
11. Touch the static-protective package that contains the new diagnostic module to any unpainted surface
on the outside of the server. Then, take the new diagnostic module out of the package.
Chapter 6. Installing, removing, or replacing hardware 147