screen blackout and lock up

  armesy 15:36 14 May 06
Locked

Hi all, don't know if anyone can help but I sure hope so!
After having my PC running for about an hour (sometimes shorter, sometimes longer) all of a sudden the screen will go black for a second or two and then it all comes back as it was, except the whole lot has locked up, not even the keyboard will function and the only thing to do is turn it off at the mains.If its left off for a few minutes it will all come back again for a while, then it does it again eventually, if it is turned on straight away it locks up whilst booting.
Anyone got any ideas?

  Fruit Bat /\0/\ 16:01 14 May 06

FReeezing PC

1. Overheat due to faulty / blocked fans

2. PSU voltages

3. Household power surges fridge etc switching on/off

4. faulty memory stick try memtest click here

5. virus or spyware scan for both especially if shutting down with in a few minutes of switch on or internet use

6. driver conflicts especially grahics cards get the latest drivers for your equipment

  armesy 18:19 14 May 06

Cheers Fruit Bat, I just had the case off and the fan on my processor was blocked up with dust, cleaned it and touch wood its been running fine now for about an hour and a half. I can now blame the missus for bad housekeeping! LOL
thanks again

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