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Dual monitors going black

This is a discussion on Dual monitors going black within the Windows 7 , Windows Vista Support forums, part of the Tech Support Forum category. I just reformatted my hard drive so I'm sure that has to be the cause for this. I have an


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Old 09-07-2010, 09:59 PM   #1
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I just reformatted my hard drive so I'm sure that has to be the cause for this. I have an M17x alienware laptop with hybrid graphics and a Nvidia GeForce 9400M G and 2 GeForce GTX 280Ms. I have the hybrid graphics enabled but when I plug in my second monitor both screens go blank. I know the monitor isn't the issue because the whole setup worked fine prior to the reformatting. The drivers for all the cards are up to date as well. I know the monitor is recieving some kind of signal because the screen goes from "No VGA Cable" to "Auto Adjusting" before the screen turns black. I also know the problem isn't with the monitor because I looked into all the settings and stuff and none of it would've changed since my reformatting. Thank you for your time.
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Old 09-08-2010, 03:28 AM   #2
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I'd post over in the video card forums for some more expert advice: https://www.techsupportforum.com/f24/
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