unresponsive pc

  sugarbabe 17:33 12 Jan 07

have a pc that will not start. power light comes up, but does not pass post, is windows xp machine about 4 years old.

Slight smell of burning when it died no error messages or anything just balnk screen.

I think it may be power unit that has gone. Any ideas????

  Diodorus Siculus 18:22 12 Jan 07

A replacement PSU is certainly one way to start; give it a go and see what happens.

Ensure that all cards are seated correctly.

  Fruit Bat /\0/\ 18:25 12 Jan 07

Examin the motherboard and memory for signs of burning BEFORE replacing PSU.

click here
click here

If renewing a PSU check:

1. The physical size of your PSU, some are hard to replace due to being a non standard size.
2. The amount of power need from the PSU don't skimp

1. Physical Dimensions

Besides the specs and form factors, the physical dimensions are also important factors in selecting a compatible power supply. Here is an outline of the physical dimensions of most standard power supplies:

# ATX: 6x3.5x5.5", HxWxD. Most common. Uses 4 mounting screws.
# Mini-ATX: 5x3.5x5", HxWxD. Rare size. Uses 4 mounting screws. Can be used in a regular ATX case, but often not the other way around.
# MicroATX: 5x3x4", HxWxD. Use 3 mounting screws. Not interchangeable with ATX or miniATX.
# Flex ATX: Even smaller than Micro ATX. Various sizes according to case specs; often not interchangeable.

Use the data above to determine if a particular power supply would fit your case.

The quality of a power supply can be estimated by its weight. While this is not a true scientific or thorough measurement of the power supply reliability, it is nevertheless a very simple and easy way for ordinary PC users to estimate and compare the quality of a power supply.

2. Power supply calculator click here

Guide to changing PSU
click here
click here

  sugarbabe 19:24 12 Jan 07

Have attached hard drive to slave and have managed to access most of documents but one of the users every time i try to open files comes up E:/documentsandsettings................. access is denied.


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