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Windows 7: Monitor not Recognized after Windows Update

26 Apr 2013   #1
jimbeis462

Windows 7 Ultimate 64bit
 
 
Monitor not Recognized after Windows Update

Hi guys,

I got this problem probably 3 days ago, I woke up one morning and saw that my computer had restarted itself from a Windows Update.

I turned my monitors on, and it only seemed as if one was plugged in, (the Samsung on the right).

So I checked connections, had a look in screen resolution settings and CCC, and neither could detect my ASUS on the left.

After more screwing around, I unplugged both monitors, and then just plugged in the ASUS using its own cable and port that it always uses, and the screen came on.
So to me, this rules out cable and GFX card problems?

I now see in CCC that the ASUS is an Unknown monitor, it ALWAYS used to say ASUS.




Now when I plug in my Samsung, the ASUS turns off and the image moves over to the Samsung.

For the ASUS I use a DVI to HDMI cable (HDMI end at GFX card)
and the the Samsung uses a regular DVI cable.

Thanks guys

Forgot to add; I also tried graphics driver rollback, uninstall Windows Update and then downloaded latest AMD graphics drivers, none of which seemed to help at all.


My System SpecsSystem Spec
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26 Apr 2013   #2
Dude

Windows 10 Pro X64
 
 

jimbeis462, try a system Restore
My System SpecsSystem Spec
28 Apr 2013   #3
jimbeis462

Windows 7 Ultimate 64bit
 
 

hi thanks for reply, in my system restore menu, the only restore point I can choose is labelled as todays date, 29-4-2013,
should I try this anyway?
My System SpecsSystem Spec
.

28 Apr 2013   #4
Dude

Windows 10 Pro X64
 
 

Don't that will work since it is after the problem. Try this click start/devices and printers, right click the monitor and click troubleshoot.
My System SpecsSystem Spec
28 Apr 2013   #5
jimbeis462

Windows 7 Ultimate 64bit
 
 

hi, I have a couple of screenshots for you:


This is with ASUS plugged in:







This is with Samsung plugged in:





So as you can see, I can't right click it :/

I also tried to right click it in CCC, but its not possible to do much from that program...

cheers
My System SpecsSystem Spec
28 Apr 2013   #6
Dude

Windows 10 Pro X64
 
 

does it show in device manager with a bang?
My System SpecsSystem Spec
28 Apr 2013   #7
jimbeis462

Windows 7 Ultimate 64bit
 
 

nope
My System SpecsSystem Spec
28 Apr 2013   #8
Dude

Windows 10 Pro X64
 
 

what is the model number of your vid card? And what ports are you hooking the monitors into?
My System SpecsSystem Spec
28 Apr 2013   #9
jimbeis462

Windows 7 Ultimate 64bit
 
 

Graphics Card AMD Radeon HD 6700

HDMI port: HDMI-to-DVI cable to ASUS
DVI port: DVI cable to Sammy

It doesnt matter which ports or cable I use though, same thing happens
My System SpecsSystem Spec
28 Apr 2013   #10
Dude

Windows 10 Pro X64
 
 

okay lets try this. hook one of the monitors to the onboard video. You will have to go in your bios and enable multimonitor and you IGPU.

Here is a link to your manual to view the BIOS settings

download
My System SpecsSystem Spec
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 Monitor not Recognized after Windows Update




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