Installation guide

It is a good practice to clean your E-820 periodically to protect the surfaces and ensure
trouble-free operation. Be sure to turn off the E-820 before the cleaning.
Use only mild cleaning solutions and damp cloth to clean the painted surfaces of the
computer, LCD screen and keyboard.
6.3
Moving your E-820
Take the following precautions before moving your computer.
6.3.1
Back up all files and data from the hard disk.
Operating systems can vary in the way they perform backup procedures. See your
operating system documentation for information about software backup.
6.3.2
Remove all media, such as compact discs from the drives.
6.3.3
Shut down your operating system and turn off the computer and all attached
devices.
6.3.4
Unplug the power cord from electrical outlets, all attached cables and devices such
as USB devices, network cable, modem cable, audio devices etc. .
6.3.5
If you saved the original shipping cartons and packing materials, use them to pack
the units. If you are using different cartons, cushion the units to avoid damage.
7. Chapter 7: Troubleshooting
Computer problems can be caused by hardware, software or user error. You can use the
diagnostic aids discussed in this chapter to help you solve such problems yourself or gather
helpful information you can pass on to a service technician.
You can check the hardware by following the procedures in this chapter. If the hardware
checks out and you have not made a user error. You might have a software problem. If you
suspect that you have a software problem. See the operating system documentation and/or the
documentation supplied with the software.
Your computer performs the power-on self-test every time the PC is turned on. POST (Power