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Windows 7: Second display not working at all.


27 Dec 2013   #1

Windows 7 Ultimate x64
 
 
Second display not working at all.

I have two identical AOC monitors. I first used a Palit Nvidia GT640 graphics card and also a Radeon HD6450 to no avail.

I've tried the second monitor with the following DVi, DVI-D and HDMI to VGA cables/adapters and nothing.

That's using both the windows right screen resolution option or the propriety Nvidia/AMD to configure the multiple display options.

If someone can help me finally crack it that would be great.

My System SpecsSystem Spec
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27 Dec 2013   #2
Microsoft MVP

Win 7 Ultimate x64
 
 

If both monitors are using VGA then this is what is happening,

Second monitor not being detected.

Short of monitors that have more than just VGA or getting a DVI-VGA converter (nothing like the adapters you have been using, and cost a fair bit more), there isn't much you can do.
My System SpecsSystem Spec
29 Dec 2013   #3

Windows 7 Ultimate x64
 
 

But I have done in the past which is what is odd. With other custom built machines with these exact monitors it was working. Wasn't straight forward though. If I remember rightly in the past I had to make the second monitor the main one cable wise then extend, then physically switch the monitors on the desk. Weird. Thanks
My System SpecsSystem Spec
.


01 Jan 2014   #4

Windows 7 Ultimate x64
 
 

Sorted thanks anyway
My System SpecsSystem Spec
Reply

 Second display not working at all.




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