Dell Inspiron 2000 - Manual (Page 41)

support.dell.com Basic Troubleshooting 3-3
The following items can adversely affect the performance of a computer:
Inadequate ventilation from operating the computer in a confined space, such as
a desk enclosure
Direct sunlight causing the computer to overheat
Line noise or power drops and surges from electrical outlets due to poor wiring
Line noises or surges through telephone lines
High-voltage electrical appliances on the same circuit or operating in close
proximity to the computer
Speakers, especially subwoofer, or telephone too close to the monitor,
generating magnetic fields that distort the display image
Fluorescent lights causing display flickering or distortion
Electrical extension cords and keyboard and mouse extension cables
Too many devices on a power strip or multiple power strips from one electrical
outlet
Electrical conduits in an adjoining wall or elevators on the other side of the wall
Large metal beams inside the wall behind the computer
If removing potential sources of problems does not help, try moving the computer.
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If you are experiencing problems with power to your computer, perform the following
tasks:
Check the computer’s power indicator. When lit, the power indicator verifies that
the power supply is operating.
If your computer is connected to a power strip, turn the power strip off and then
on again.
Plug the computer directly into an electrical outlet, bypassing any power
protection devices.
Plug a device, such as a lamp that you know works, into the electrical outlet to
make sure the power source is okay.
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