Compaq Deskpro 2000 - Manual (Page 118)

5-18 Removal and Replacement Procedures - Desktop
5.10 Riser Board
To remove the riser board, complete the following steps:
1. Remove the system unit cover (Section 5.6).
CAUTION: Power must be off at least 30 seconds before beginning disassembly.
2. Remove all expansion boards (Section 5.8).
3. Remove the two screws that secure the riser board to the riser brace.
4. Tilt the riser board slightly away from the riser brace and pull up.
Figure 5-16. Removing the Riser Board
To replace the riser board, reverse the above procedure.