DFI ES121-LR - Manual (Page 22)

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Installing Devices
Chapter 3 - Installing Devices
Removing the Chassis Cover
1. Make sure the system and all other peripheral devices connected to it has
been powered-off.
2. Disconnect all power cords and cables.
3. The 6 mounting screws on the sides of the system are used to secure the
cover to the chassis. Remove these screws and then put them in a safe place
for later use.
Mounting
screw
Mounting
screw