computer,then unplug it from the network cable from its socket on the wall
2. Disconnect all the telephone lines or communication cables from the computer.
3
：
Disconnect computer and all connected devices with power outlet connection. And press
the power button of system board to deduct the residual power.
Before touching any components of the computer, please make sure your hand touch an
unpainted metal surface, it will remove the static electricity during the assembly process,
4.1 Remove the Computer Cover
To avoid electric shock, please disconnect the power cable from the computer before you go to
remove the top cover of the chassis.
Before touching any components of the computer, please make sure your hand touch an
unpainted metal surface, it will remove the static electricity during the assembly process,
1. Pl
ease
read and follow the steps mention in the section “Before disassembling or assembling
the computer components”:
Make sure your desk has enough space for the top cover
Make sure the desktop is flat and surface with protection work, in order to avoid scratching
the computer.
2. Use the screwdriver to unscrew the four screws on chassis, and place them in a screw
container.
3. Dismantle the chassis top cover and place it in a safe place in case of any scratches
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