Intermittent start up problems

  newearwax 09:03 28 Mar 2009

I use XP Home SP3.

Sometimes when I start up my system, the DOS screen shows briefly as is normal, then the screen goes black with one or more narrow bars across the screen with a couple of small best described as narrow oblong blocks above the lines. The process goes no further, and the windows logo never appears.

Turning off at the rear switch seems to be the only solution, When I turn on and use the front button all loads normally.

Advice please of probable causes and cures

  birdface 09:11 28 Mar 2009

Maybe check that your air vents are clear of dust and fluff,if so inside will also need may be your PSU needing replaced.

  Fruit Bat /\0/\ 10:11 28 Mar 2009

Open PC and clean out all dust and fluff (hair dryer on cold and vacuum cleaner - do not let nozzles touch parts)

Also remove and refit both memory and graphics cards, as the fault may be a bad contact.
If still same then PSU or graphics card failing.

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