Follow these directions to take off the cover. All the components of this desktop can be remove by hand except for the heat-sink and the motherboard.
Tip: If it doesn't come loose, wiggle it gently.
The computer case houses all the internal components of the computer that are essential to its operations. Certain cases may need thumb screw removal or maybe design so that they are tedious to be taken apart, however the HP rp5700 is designed to be easily disassembled.
Here are the steps needed to remove the cover of the desktop to access all components inside the desktop.