When I turn my computer on, my tv goes super fuzzy. How can I stop this?

Answer 1

How close is your computer to the tv? Maintain a reasonable distance.

Power up your computer without the monitor and see if it still happens. If not, try changing the refresh rate of the monitor.

If the tv is still fuzzy without the monitor on, try running an extension cord from your computer to another area of the house to see if it is ac line interference. If this corrects your problem, get a UPS (battery backup for your pc) or other power strip with a line filter to isolate your computer.

Good luck.

Answer 2

Does your computer have a TV tuner card? Is the cable hooked up to your computer in any way? If it is find the splitter that divides up the signal to the TV and computer and check to see that the input cable is hooked up to the INPUT of the splitter. If splitters are installed backwards weird things can happen.

I once went to fix the cable TV at a ladies house. One of her TV's would get a fuzzy picture but ONLY when both TV's were tuned to Channel 4 at the same time. Finding: splitter installed backwards.

I can't think of anything else to check right now.