HP Visualize J5000 Owner's Manual page 49

Figure 2-7 The J7xxx's Open Left Side Before Removing Air Guide
Chapter 2
so it must be removed before installing or removing DIMMs. Before
the air guide is removed, the open left side of the J7xxx looks like
this:
Support Bar
Air Guide
Screws
Support Bar
Remove the four screws that secure the air guide to the support bars.
Be sure, as you remove the last screw, that you hold onto the air guide
so it doesn't fall.
Changing Your Computer's Hardware Configuration
Installing Memory
49