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Graphics Card Problem, Pixel Patterned lines across screen


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#1
Chibling

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Graphics Card: x1900gt with accellero x2000 heatsink / fan
CPU: 3800 athlon x2
Memory: 1 gig
Monitor: 19" LCD
Catalyst 6.12 I beleive (deleted now)

Earlier today I was finishing up some work when the screen became all pixellated and so I manually turned it off as I thought it simply froze and needed a boot. Later on, when I turned the computer on, the lines streaked across the at the boot-up, and the pattern changed until it reached windows. I can still move my mouse and click on things, however it can be distracting when there are multicoloured pixels everywhere in horizontal patterns.

* Checked the monitor (worked on my laptop)
* Checked inside, it was somewhat dusty, blew some air inside
* Watched and checked all the fans at boot up
* Tried re-mounting the graphics card in the PCI-E slot
* Deleted drivers
* Tested graphics card using a 'check it diagnostics' program which detected no problems
* Took out graphics card and booted from on board and on board works perfectly fine.

- Since the onboard worked it clearly indicates that there is something with my graphics card
* Perhaps part of the board got damaged? (electric shock, physical removal of something)
* Perhaps when I installed the third party cooling system I did not properly ensure flat contact with the thermal pads and the memory module
* Perhaps dust is interfering

I will attempt re-mounting once I get some thermal paste (or someone more tech savvy than myself will)
Are there any other possibilities? Is it a loss cause, and it is dead?

I have searched the internet to no avail... any comments are greatly appreciated.
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#2
Neil Jones

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If the graphics card is under warranty, send it back for a replacement. Otherwise you will need a new card.
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#3
Dan1887

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before u send it back, you might try this, most of the newer x1000 series cards have a cmos jumper for the gpu bios, although not always recommended you can try to reset the bios and see if that corrects the problem, I had that issue before, I had overclocked my x1600 and it started doing that, I reset it and i have not had a problem since. If this doesn;t solve anything, definately time to send it back if it is under warranty.
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#4
Chibling

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I will definately persue the BIOS if all else fails. I cannot return a product that has had it's heatsink/fan replaced with a third party one, I believe that voids the warranty...
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#5
Dan1887

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yes unfortunately if you did not hang on to the stock heatsink and fan it does, but try the bios reset first it might solve the problem.
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