Dell OptiPlex 5270 All-in-One Service Manual

Removing the Input and Output bracket

1. Follow the procedure in Before working inside your computer.
2. Remove the following components:
   1. Stand
   2. Back cover
   3. System board shield
   4. Base cover
3. Release the PSU cable to remove the Input and Output (I/O) bracket.
4. To release the PSU cable:
   1. Remove the single (M3x5) screw securing the power supply socket to the Input and Output (I/O) bracket [1].
   2. Slide the power supply socket away to remove it from the system [2].
   3. Unroute the power supply cables from the retention clips in the chassis [3].
      
5. To remove the Input and Output (I/O) bracket:
   1. Remove the three (M3x5) screws that secure the I/O bracket to the display assembly base [1].
   2. Lift the I/O bracket off the display assembly base [2].