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Computer keeps shutting down and rebooting

  BRYNIT 20:19 11 Feb 2011

HP P6320 computer keeps shutting down and rebooting.

Purchase from an auction a few day ago.

Specs: Intel i5 cpu, 6GB Ram, 1GB ATI graphics card, no hard drive. Everything looks clean apart from a bit of dust on the fans.

I have installed a 1TB hard drive, Windows 7 home premium using the sticker from the side to activate and all updates.

The problem is after a while it shut down and rebooted.

I’ve used the HP diagnostic tool from the boot menu, this shows that everything is working OK. I’ve used BurnIn test trial program on the highest setting and this showed no errors.

As soon as I use something like CS5 I have problems.

It could be overheating but nothing feels hot or even warm.

So the question is. Has anyone any suggestion on what they would consider to be the problem?
What would you look at first?
What programs I could down load and run that might indicate the cause of this problem.
Any known fault was found with the model.

All suggestions welcome.

  BRYNIT 20:51 11 Feb 2011

Good suggestion.

I've downloaded Memtest and will test each memory stick.

  BRYNIT 22:25 11 Feb 2011


Thank you your input. I will consider the possibility of PSU when all other options have been looked at.


Ram seams to be OK. I tested the ram stick one at a time with no faults found.

Any more suggestions welcomed

  BRYNIT 22:29 11 Feb 2011


Thanks for the suggestion. SATA cables are OK they already have lacking locks and I have swopped the SATA cables over with the one from the DVD drive.

  Terry Brown 09:02 12 Feb 2011

On your post, you say ' Apart from a little dust on the fans'.

From that remark I would guess that there is alot more 'dust' in the heatsink.

I suggest carefully remove the fan, use something like a plastic cocktail stick to remove the bulk of any dust and then blow it out with a can of compressed air.

The reason it was sold at auction may have been because of the fault !..


  BRYNIT 14:02 12 Feb 2011

Thank you for your suggestions.

The good and the bad.

The fault seems to be due to a corupt chipset driver a reinstall rectified the boot problem however, this created another problem with the fans contiually running on high speed.

To rectify this there was a Bios upgrade. (bad idea)

This seems to have corupted the bios preventing the computer to boot into windows or even allow a clean install.

I have emailed HP to see if they can put any light onto the subject so will close this thread for the time being.

Thank you for your assistance.

  BRYNIT 16:44 12 Feb 2011


Good point.

The BIOS had set itself to RAID instead of ide which could be the problem.

Now my problem now is finding the Win7 disk I've been using to see if it will do a clean install.

You know the problem, you use something and put it down for a minute and and spend a few hours finding something that is under your nose :)

This thread is now locked and can not be replied to.

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