Monitor issues

I am a bit new to this so I want to start off apologizing if this is a bit scrambled but I am really desperate for some help.

I just bought a new gaming machine and am currently using a Vizio HDTV for a monitor via an HDMI cable. I didn't think this would be a problem because prior to buying this machine I used my laptop hooked to the same HDTV via the same HDMI cable without any issues. Each time that I plug my new machine into the TV via the HDMI it will work for anywhere from 5 minutes to several hours before I get this:

Anyone know the reason for this? The laptop is Windows 7 and the graphics card an AMD Radeon HD 4670 and on the gaming machine I have an AMD Radeon HD 7770 with Windows 8

Any help would be greatly appreciated.
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  1. I would add that if the above issue starts happening I can simply power off the TV and wait a few seconds and power back on and get another window between 5minutes - a couple hours.
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