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HDMI: No Signal, DVI Bad resolution


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#1 Stefanjb

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Posted 23 February 2015 - 06:02 PM

Hello, I've got an issue with my monitor and connectivity I hope that someone will be able to help.

 

I have a Benq G2420HD monitor and have had it for about 2 years, I've always used a HDMI cable to connect it to my GPU and never had any problems until I booted up today where it would just say HDMI no signal, I used remote desktop on my mobile to make sure it was working and the resolution had been decreased.

 

 

I can connect the monitor through a vga cable (vga to dvi connector into pc) but the resolution is incorrect and blurry on all settings.

 

I've tested a secondary HDMI cable

 

I've tested the monitor on a second computer and haven't been able to use HDMI on that either.

 

In Resolution settings the name of my monitor has been changed to Generic Non-PnP Monitor.

 

I've attempted re fitting the GPU and RAM, updating drivers through device manager and failed to find any drivers online.

 

Are there any tests I'm missing to solve this issue? Thanks in advance.



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#2 mikey11

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Posted 23 February 2015 - 06:40 PM

go into device manager, uninstall your video adapter/card from the system, restart your computer and see if it loads the driver automatically upon restart.....if it doesnt, download and install the latest driver



#3 Stefanjb

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Posted 23 February 2015 - 06:57 PM

Thanks, it did automatically update the driver and upon next reboot nothing has changed compared to before, HDMI is still off and DVI is blurry/smudged

 

I have AMD Raedon HD7700 GPU


Edited by Stefanjb, 23 February 2015 - 07:01 PM.





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