HP DC5000 - Manual (Page 53)

Hardware Reference Guide www.hp.com E-3
Port Security Bracket
3. On the top of the computer, locate the cover latch. Pull up and
hold the latch 1 to release the computer access panel.
4. Slide the computer access panel back 2 about 0.5 inch (1.25 cm),
then lift the access panel up and off the chassis.