Very Colorful Crash when GPU is under load! [Solved]

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mrpeanut188

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Aug 6, 2013
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Hello, I have had my ASUS Essentio CM1740 computer for a year now. Yesterday I had installed an MSI GeForce 660Ti Power Edition, more RAM, and a new power supply. Unfortunately, the PSU was too large to fit into my case without taking off my CPU's Heatsink. So I took the Heatsink off, and inserted the PSU, which is now functioning perfectly. I cleaned the CPU and heatsink of previous thermal paste, and properly reattached the heatsink. However, my computer will suddenly freeze up, then a blue screen will shortly ensue. This only happens when the GPU is under load.

The crash starts with a grid-like pattern of vertical green rectangles, then tiles in various colors horizontally. The fact that the crash has to do with colors leads me to believe it is the GPU, not the CPU that is causing the crash. However, my temperatures are all low, and I cannot seem to pinpoint the problem. Power is not an issue, as I may use SLI in the future, and have gotten a PSU that can support it.
 
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todd1780

todd1780

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Dec 29, 2012
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Don't be offended by this, but I have to ask. Did you reapply thermal paste when you put the heat sink back on the CPU? And did you use the correct amount? And have you verified that the fans on your CPU heat sink are spinning? Its always best to eliminate the most obvious before we continue.
Assuming that all that is correct, what I would do first is revert back to how your computer was before you did the upgrade. Replace the old RAM and graphics card but leave the new PSU in. Power your system up and load it down with a game or a benchmark program or something. If everything works then you have verified that your CPU and PSU are working fine.
Next add the new RAM and repeat the process. If everything works then you have verified the problem isn't with your RAM.
Install you new graphics card and do it again. If you have your colorful crash then you will at least know for sure which component is causing the problem, and you can go from there.
If a technician was troubleshooting your system he wouldn't assume that one of the components are at fault, he would use the process of elimination to separate the good from the bad.
 
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mrpeanut188

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Aug 6, 2013
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Solved, the card was at an unstable state, presumably not overclocked correctly from the factory. I have used MSi's own Afterburner software to set it to it's normal state, working like a charm.
 
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