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Can't See Computer Screen After Connecting Vga / Rgb To Tv


Can't see computer screen - tried to connect vga/rgb to tv, changed display settings. ? I changed my display properties to show on tv screen, it doesn't work. Now i can't see computer screen on tv, or computer screen at all. Is there anything i can do? Is there a manual undo button? Can i do system restore by clicking on something?

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Tbh im starting to think the motherboard has died as its strange that all of the fans and leds are powering up yet nothing else is happening (im not even getting error beeps from the mobo) what do you guys think?

Ps: the mobo is an asus k8v-vm skt 754 with a sempron 3200+ fitted. Ive also tested the said pc on my own monitor using my own vga cable and still nothing.


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