Owners Manual

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.
CAUTION: To prevent damage to the I/O cable, you must release the locking tab before removing
or installing the I/O cable from the connector on the hard-drive backplane.
Steps
1. Rotate the locking tab on the I/O cable connector clockwise 90 degrees to release the lock.
For more information on the locking tab, see Removing the hard-drive backplane.
2. Disconnect the I/O cable from the backplane.
3. Remove the screws securing the I/O panel to the chassis.
4. Pull out the I/O panel cable through the channel on the chassis.
Figure 53. Removing and installing the I/O panel
1. I/O panel cable 2. hard-drive backplane
3. screw (3) 4. I/O panel
5. chassis
Next steps
1. Replace the I/O panel. See Installing the I/O panel.
2. Follow the procedure listed in After working inside your system.
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