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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