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My graphics card has artifacts on screen how to a diagnose and repair problem

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try some other screen resolution. also changing the display refresh frequency may help. it is under display settings, monitor.

Posted on Aug 29, 2008


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If you are getting pixelation or blocking on your screen, I would suggest that you try with a different graphics card or with the graphics card removed. The symptom is common with a graphics card using the wrong drivers as well as a faulty GPU.

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If you get the erroneous characters in the set-up (BIOS) screen on external monitor, then either your graphics card is defective or the motherboard. The diagnostics are just reporting that it cannot detect the LED display. Unfortunately the only way to determine if the graphics card is defective is to replace it. If that does not resolve the problem then you know it's your motherboard. That whole process can be costly. That model laptop is about 5 years old and parts could run you about $100 to $300 online. Might be time to shop around for a new one.

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Pc keeps crashing during online gaming

This sounds like either a case of graphical artifacting, or your pc is simply crashing.

Graphical artifacts are things not normally seen on your monitor created by overuse of the graphics card, such things as white pigments and the odd pixel patterns you saw are some signs of this. I've experienced this problem, and have had the speakers make the noise you heard noise upon restarting the pc. To see if this is the cause I would try running an extremely graphically intensive game or program such as a 3D benchmark to test the limits of the graphics card, and if you see the odd pixelation during the testing, then it is most likely that the card is the problem, and you should call its manufacturer for a replacement.

If your pc is simply crashing then either your power supply is not putting out enough power for you graphics card, or the graphics card is not hooked up to the motherboard properly. The first to do to check if this is the case is to run your pc until it crashes and see how hot your pc has gotten, if it is very hot, then your power supply could be overloaded, or you may not have enough airflow in the case. I would suggest opening your pc and looking for anything out of place, and even perhaps getting professional help from a technology store.

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I am having spots on my screen .... I have Nvidia Riva tnt2ultra

The spots are called artifacts.

The graphics card is either about to die or is over heating. Ensure that the card is set to stock clocks on core clock and memory.


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Getting degraded black and white lines only when playing games. I have: Latest Drivers 2gb Ram core2quad q6600

You may want to use a tool such as GPUz to monitor the temperatures of your graphics cards. If the temperature is below 85 degrees Celsius it should be ok. You would then want to use a tool like ATITool or Furmark to check for artifacts under a 3D load. If these programs produce errors or artifacts you may need to get the card replaced.

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I'm experiencing some glitches when i play some games with the EVGA GTX465 SC,i installed many drivers provided by Nvidia but stills the same,game crashes asnd return to desktop,icons glitches after the...

Hello there, I am the Expert that will be helping you today. My name is damnor01.

Welcome to Fixya.

This EVGA Graphics Card is their Super Clocked edition, meaning that it has been factory overclocked.

It may be getting too hot and therefore showing artifacts. Install some more 120mm fans in your Chassis.

Claim warranty support if the problem continues.

Tell me how it goes by way of a comment.

All the Best!

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Graphic chip wonky on C2Duo 2.13 - 2007? Lines and artifact on screen. Runs 20 minutes or so and locks up - requires reboot.

i would think your graphics card is overheating. is the problem there when you just start the pc or does it only come after a few minutes?

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If you understand the components of a computer pretty well, open the case and remove and reseat the graphics card into the slot.

Does it seem to only do it after so long, for example turn the computer of for a few hours, and it wont happen when its first turned on, but then a few moments later it starts after its warmed up?
If this does not resolve the issue, you may be experiencing graphic artifacts which can occur when a gpu is overheating due to a poor cooler. Check to make sure the heatsink is touching the gpu.


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Make sure the drivers have been updated as well.

Here is a link to get them

See if your video game software needs to be upgraded.

Make sure no programs are running in the background.

How much memory does your computer have?

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might be the memory became bad. I think the card could not be repaired anymore especially graphics card and shoulde be replaced or RMA if ever the warranty is still their.

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