HP 6200 - Manual (Page 134)

5. Thread the keyboard and mouse cables through the computer chassis lock.
Figure 4-47 Threading the Keyboard and Mouse Cables
6. Screw the lock to the chassis in the thumbscrew hole using the screw provided.
Figure 4-48 Attaching the Lock to the Chassis
126 Chapter 4 Small Form Factor (SFF) Hardware Upgrades ENWW