Dell Precision 7820 Tower Owner's Manual

Removing front input and output panel

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. side cover
   2. front bezel
   3. front input and output bezel
   4. 5.25 inch ODD bracket
3. To remove the front input and output(I/O) panel:
   1. Disconnect the intrusion switch cable [1], USB 3.1 cable [2], front I/O power cable [3], USB 3.1 cable [4], Speaker cable [5], Audio cable [6]
      NOTE:Do not pull the connector by the cable wires. Instead, disconnect the cable by pulling the connector end. Pulling the cable wires may loosen them from the connector.

      
   2. Remove the screw that secures the front I/O panel to the chassis.
      
   3. Slide the I/O panel out of the chassis.