6Close the system. See "Closing the System" on page 47.
7Replace the front bezel, if applicable. See "Removing and Replacing the Optional Front Bezel" on page 45.
8Reconnect the system to the power source and turn on the system and attached peripherals.
Fan Interposer Board (Service-Only Procedure)
Removing a Fan Interposer Board
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
1Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2Open the system. See "Opening the System" on page 46.
NOTICE: To prevent damage to the drives and backplane, you must remove the SAS drives and diskette/optical drive carrier from the system before removing the backplane. You must note the number of each hard drive and temporarily label them before removal so that you can replace them in the same locations.
3To remove the optical/diskette drive carrier, pull the release latch forward, then slide the carrier out of the chassis. See Figure
4Remove fans 1 and 3 or 2 and 4 (depending on which fan interposer board is being replaced). See "Removing a Cooling Fan" on page 48.
5Remove the SAS backplane. See "SAS Backplane
6Remove the two screws and remove the fan interposer board. See Figure
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