Hi welcome to the forum. Be sure to introduce yourself and let us know about you in the Forum.
If this is a TV then it needs to put in the Troubleshooting TVs and Video Sources section of the forum.
You will also need to take off the back and take some high quality pictures of your power supply and mainboard so that people can see all reference number and components.
Fixed so far : 1 Home cinema system, 16 LCD Monitors, 4 LCD TV's
How to resize your pictures guide click HERE
Retiredcaps Ideal post example click HERE
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