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To replace a back fan:1Follow the instructions in “Preventing static electricity discharge” on page 18.
2Follow the instructions in “Opening the server case” on page 19.
3 Unplug the fan cable from the fan connector on the system board.Fan cable
Fan retention screw
Fan retention screw
4Unscrew the four fan retention screws holding the fan to the back of the chassis.
5Pull the fan from the chassis, noting the orientation.Important
Make sure that the new fan is oriented the same way (air flow) as the old fan.
6Insert the new fan into the chassis, then replace the fan retention screws.7Plug the fan cable into the fan connector on the system board.8Follow the instructions in “Closing the server case” on page 24.Replacing the CMOS battery
Warning
There is a danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type of battery recommended by the manufacturer. Dispose of used batteries following the manufacturer’s instructions.
If the server clock does not keep time or the settings in the BIOS Setup utility are not saved when you turn off the server, replace the CMOS battery with an equivalent battery.
To replace the battery:1Print the appendix for BIOS Settings in this guide.
2 Follow the instructions in “Opening the BIOS Setup utility” on page 48.43