4-12 Upgrading Your System
Installing the Top Cover
To install the top cover, perform the following.
1. Make sure no tools or loose parts have been left inside the BSU.
2. Make sure all option boards are firmly seated in their respective slots and
that all interior cables are properly connected.
3. Place the cover on top of the BSU and insert its hooks into their mating slots
on the BSU chassis.
4. Slide the top cover backward until its hooks are fully engaged in the BSU
chassis and secure.
5. If removed, install the front and rear fan modules.