Compaq DESKPRO 1000 - Manual (Page 48)

5-6 Removal and Replacement Procedures
5.7 Expansion Board Guide
1. Perform preparation procedures (Section 5.4).
2. Remove the system unit cover (Section 5.5).
3. Remove all expansion boards from the computer (Section 5.6).
4. Press in on the two plastic clips 1 on the right side of the guide. The guide will pop out of the
chassis.
Figure 5-6. Removing the Expansion Board Guide
To replace the expansion board guide, reverse the previous procedure.