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no video output

by supernovaprod / July 9, 2009 7:01 AM PDT

I'm having this problem with two separate computers. With both I have no video output when I boot up. I can tell its getting to the OS because I'll have to hold in the power button in order to shut down the computers. In both cases I suspect that BIOS is set to use the internal video controllers but I need it to use the external (or get the internal ones to work, they've stopped working).

Thanks for your time. Any ideas?

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