Major Problem With Black Screens, Restarts, and Artifacts.

1. HP m7790y
2. Vista 32-bit
3. No error messages or BSOD.
4. No changes were recently made.
For about a month now, sometimes my computer will display a bunch of artifacts on the screen and the visuals won't change, but I think my mouse and keyboard still work. I can do CTRL + ALT + DELETE and that screen pops up with no artifacts, but as soon as I get out of it, the artifacts come back and the escape sequence doesn't work again. If I have a video going or music, I can still hear it for a bit, but then it gets screwed up. Then my computer does something that is like shutting off, but it isn't. The GPU's fan stops going, the screen goes black, and only the power light on my pc is on. Most of the time I have to push in the power button, and then turn it back on again. Sometimes it restarts on its own, and displays a screen asking me how I want to start up.
I've used the HP Hardware Diagnostic Tools and tested everything, but there were no errors for anything. I can even play video games for long periods of time just fine (Rome: Total War, The Walking Dead, Mass Effect 3, Company of Heroes). If the problem is going to happen, it happens within the first 5-10 minutes of me having the computer on. I've even used Furmark with stress tests and there are no problems.
This question was solved.
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Hello mpthemaster,
The issue you are experiencing is related to the video card, but we need to figure out if the problem lies within the hardware or the software.
Software is the easiest to rule out so let's start there. Your video card has drivers installed on the computer we need to uninstall the drivers that are there and reinstall new drivers to see if the issue goes away.
1. Navigate to the link below and download the drivers for your video card do not install just yet
http://goo.gl/dBmyj
2. Click on start and then type "Device Manager" in the start search box (without the quotes)
3. Open Device Manager and expand the display adapters section
4. Right click on your video card driver and say uninstall
5. Press the win key the right arrow twice and the letter R and your computer should reboot
6. After it reboots Windows will load a generic driver for the video card
This may or may not work. If everything on the computer looks fine (things are not blown up out of proportion and you are able to adjust settings) see if the issue comes back.
If the issue comes back or the generic drivers didn't allow you to use the monitor properly then install the link you downloaded earlier and again test to see if the artifacts come back.
The computer you have comes with a choice in video cards. Which video card do you have installed? Does it sound loud?
While you are at you might as well clean out your computer and make sure it's not dirty or dusty. Check all your fans and ensure each are in working condition and there is adequate air flow for the machine. Especially check the fan on the GPU and make sure it's not dirty or getting clogged.
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