reverts to low screen res

  inapot69 15:37 25 Feb 2008

hello again
it has been a while.
i have a problem. every now and again i log in and find my screen res down to 640 x 480
and colour quality at lowest 4 bit.
it can have been working fine just prior to that
my wife had just been on to print off a document and when i loged her off and me back in it had gone back to the settings above
i go to settings to adjust but it just wont let me
i end up doing a system restore to the day prior.
any ideas anyone
i am running
xp home
athlon 64 x 2 dual 4200+ 2.79GHz cpu
1 gb ddr2 ram
1 x 80gb hard drive
1 x 120gb hard drive
nvidia 8500gt video card
asus m2n4 sli motherboard
any ideas please

  birdface 15:50 25 Feb 2008

Normaly a graphics problem.Try device manager and see if there are any devices needing updating.

  inapot69 16:02 25 Feb 2008

how would i know if they need updating?

  birdface 16:13 25 Feb 2008

Sorry.There would normally be a yellow exclamation mark on it.

  inapot69 16:20 25 Feb 2008

sorry no yellow exclamtion marks

  inapot69 06:01 12 Apr 2008

i have installed a new card
nvidia 8500gt igb
i had a little money for my birthday
touch wood it hasnt done it since
thanks all once again

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