Re: USB to VGA adapter
I can ever see anything like that working personally.
USB (Universal Serial Bus) is a 4-pin oriented digital interface for storage and peripherals. VGA (Video Graphics Array) is a 15-pin oriented analogue interface for connecting screens with a base res of 480x600. A laptop isn't going to output any video signal through USB, only through it's USB. The Graphics chip only sends signal to the built-in screen and the VGA port on the side.
It sounds to me, if no signal is getting out at all, that something had failed and it is failing POST, or the graphics have failed.
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