mesh pc not powering up

  johninherts 20:05 03 Apr 2010
Locked

Anyone got any ideas,my Mothers Mesh PC will not switch on. No fans or lights coming on.Moved the cover of PC and pressed switch still nothing happened.Help greatly appriciated.

  Technotiger 20:21 03 Apr 2010

Check fuse in mains plug.

Or could be Dead PSU.

  johninherts 20:32 03 Apr 2010

Just tried another power lead - no joy.
Is there a way to find out if PSU is dead.

  Fruit Bat /\0/\ 20:49 03 Apr 2010

PSU most probable cause mass manufacturers tend to skimp on the PSU.

"Is there a way to find out if PSU is dead?"

plug in another PSU or buy one of these click here

PSU TEST
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.
3 The correct connections for your equipment

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. Why weight matters click here

2. Power supply calculator click here

3. Correct connections
Some boards have 20 pin connectors others 24 pin
There is often a 4 pin plug required to power Intel CPUs
Molex D plugs for IDE HDD and CD/DVD drives
SATA power connections for latest HDDs and DVD drives.


Guide to changing PSU
click here
click here

  johninherts 20:58 03 Apr 2010

cheers fruit bat,thats given me plenty to think about.

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