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screen flashes after hooking up TVs

Posted on 2011-03-02
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Last Modified: 2013-11-08
NVIDIA GeForce 8400 GS

This has 4 vga outputs with the latest driver, I have 2 LCD screens, plus two TVs all vga.  As soon as I plug in one of the TVs teh screens all go blank and start flashing as if they are going from one to another or trying to find a signal.
I hooked them all 4 up at first and it worked well for about 10 minutes then it started flaking out, as soon as I disconnect the two TVs it resumes back no the two computer screens.
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Question by:rhwimmers
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William Fulks earned 125 total points
ID: 35017499
Go to www.nvidia.com and download the latest drivers, if you haven't done so already.

It also helps to connect all the monitors before you turn the computer on. Video cards do weird things when you plug in extra monitors after the PC has already booted.
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by:rhwimmers
ID: 35032188
I think it did have to do with them being plugged in after it was on.  Turning a TV off will cause a delay while it moves everything around, but seems to work ok.

DID need a much larger power supply too, Dell OEM PSU definitely not capable.
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