I have a Gateway desktop computer that I purchased at Best Buy. Works great! While back my internet was working so slow that I had to get and HDMI cable for my flatscreen. Worked fine then I was on my computer and the screen would start to turn black make a noise then be bigger, then it would do the same thing again. I did the download from windows 8 to windows 8.1 and it still does it. It never did that until I put that HDMI cable on it. I switched internet while back so I could watch internet on my tv. But the computer still does it. Does anyone know what could be the problem and how to fix it. It really bothers me a lot cause when your in the middle of something it changes a lot. My computer has already flashed 3 times writing this. I have tried looking for many different possibilities on internet and I have found one that is kinda like it, but it is not, it is hard to determine what is wrong.
↧