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Sudden Power Loss

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by courtneyblake2006 1 view

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I have a hp pavilion 424.uk machine with a windows XP home system.

One day i was working on it and it just cut out. Now everytime i turn it on it cuts out, no warning no error message. nothing.

It has happened so many times my o/s has become corrupt and no longer boots up.

I try to run the recovery console and it powers of mid way.

I change the power supply and still have the same problem.

Any Ideas?

2 replies

by oh smeg

The Heat Sink on the CPU has been dislodged and the Protection Circuitry is switching off the CPU before it is damaged.

Or the Heat Sink on the CPU is full of dusk and other junk and is no longer cooling the CPU down with the same effect.

You need to pull the side cover off the computer and check both the CPU Heat Sink and it's fan for proper function. If that isn't the problem look at the Electrolytic Capacitors around the CPU for any damage like Bulging or Leaking. If this is present the M'Board is shot and needs replacing.

Just a word of caution here if one of the capacitors is leaking be very careful not to touch the liquid as some Electrolytic Capacitors are very toxic.

Col

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