Owners Manual

2. Follow the procedure listed in the Before working inside your system section.
3. Remove all the hard drives.
4. Disconnect all the cables from the backplane.
5. Disconnect front panel cables from the power distribution board.
Steps
1. Remove the hard drive cage from the chassis.
2. Disconnect the cable from the sensor board.
3. Remove the screw that secures the sensor board to the hard drive cage.
4. Remove the sensor board from the hard drive cage.
Figure 120. Removing and installing the sensor board
a. sensor board
b. screw
Related references
Safety instructions on page 62
Related tasks
Before working inside your system on page 63
Removing a hard drive carrier on page 71
Removing the system cover on page 64
Installing the sensor board for 3.5-inch hard drive system
Prerequisites
CAUTION:
Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by
your warranty. Read and follow the safety instructions that are shipped with your product.
NOTE: You must route these cables properly on the chassis to prevent them from being pinched or crimped.
Follow the safety guidelines listed in the Safety instructions section.
Installing and removing system components
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