Hello, A good friend of mine who lives several states away (making onsite troubleshooting tricky) is having an unfortunate error with his PC. It's a custom built machine put together about 2-3 years ago by a guy with questionable parts sourcing, so I don't trust the quality of any of the parts in that machine. My instinct is that his video card is dieing, based on this graphics glitch occuring during system boot as well as when the OS is running. Here's an image (attached) of what it looks like during initial system boot. Any help/opinions on what the problem most likely is would be much appreciated.