HP DC7800 - Manual (Page 195)

I/O Panel
1. Prepare the computer for disassembly ( Preparation for Disassembly on page 159 ).
2. Remove the computer access panel ( Computer Access Panel on page 163 ).
3. Remove the screw from the left side of the panel that holds the I/O panel in place (1).
4. Press the tab on left side of the panel (2), and then swing the panel toward right to remove it from
the unit (3).
To install the I/O panel, reverse the disassembly steps.
I/O Panel 183