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Bizarre screens on boot - lines and colours

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#1 timmmmm


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Posted 24 February 2013 - 05:03 AM

hi there guys and girls


would love some feedback on what could be wrong with my machine.


resolution has changed upon boot and horizontal lines now appearing with colour and characters on some screens. Please see images attached - from phone camera


computer has progressively become more slow over last 2 months. i am thinking either virus of video/graphics card


any input would be appreciated -  4 yr old machine. Dell purchase, has avast, malware + mcafee installed 


Thanks for any help

tim perth australia

Attached Files

Edited by hamluis, 24 February 2013 - 07:19 AM.
Moved from XP to Internal Hardware - Hamluis.

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#2 hamluis



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Posted 24 February 2013 - 07:19 AM

System manufacturer and model?



#3 timmmmm

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Posted 24 February 2013 - 07:31 AM

Sorry hamluis


hope the below helps


Dell Vostro 420

Intel quad core cpu

Q3400 @ 2.66ghz

3gb ram

MSFT Windows XP

version 2002 SP3

#4 rotor123


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Posted 24 February 2013 - 11:02 AM

Hi, What you show is happening before any drivers load. The Dell Logo image is the clue to that. It is a definite hardware problem and not a software problem. This means that if you have a video card it is going bad. If you have built-in video then Hit F12 when the Dell logo appears and choose the Diagnostics option from the boot devices screen.


Run the Tests for Memory and Video.


There is also a slim chance that it could be the Monitor. To test for that you will need to hook up a different monitor as a test.


However based on past experience it is most likely the video card or bad memory if built-in video.


Good Luck


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#5 timmmmm

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Posted 24 February 2013 - 05:42 PM

Thanks so much Roger


your advice is invaluable cheers


pretty sure i pauid dell for a decent quality gaming quality card but itis 4 yrs old now so will see if replacement is required


thanmks again and havea great day



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