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Windows 7: Sapphire Radeon HD 3850 - Dual/triple monitors problem.

11 Mar 2011   #1
Nemrah

Windows 7 Home Premium 64bit.
 
 
Sapphire Radeon HD 3850 - Dual/triple monitors problem.

Hi,

For the last 3 years i have worked with Windows XP , 2x Sapphire Radeon HD 3850 512 MB videocards and 3 monitors connected (2x 22inch and 1x 19inch).

This worked without a single problem.

Since i got a terrible virus i was forced to upgrade to Windows 7.

And from this moment the problems started.

Only 1 22 inch monitor displays the correct resolution 1680x1050. The other 22inch is set to a lower resolution and when i manually try to set it higher it wont go to the desired resolution.

In the mean time i have removed the 3rd monitor. So currently i am working with the 2x 22inch.

I have tried to install every single driver available but nothing works.

The funny thing is that when i installed windows 7 that the monitors did work for about 3days. Suddenly the monitor resolution changed and i couldnt got it back.

1 time when trying installing older drivers the monitors went back to the good resolution but with in a day it failed again. Now after 2 weeks of trying and installing /deleting drivers i have no idea what to do anymore.

My PC details:

Windows 7 Home premium 64bit
Quad Core Q6600 2.40 GHz
4GB RAM memory
Gigabyte GA-P35-D34 rev. 2.1 motherboard
2x Sapphire Radeon HD 3850 512mb PCI-e videocards

(I am using ultramon for multiple taskbar)(but after removing it the problems still exist)

Can someone help me ?


My System SpecsSystem Spec
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14 Mar 2011   #2
Nemrah

Windows 7 Home Premium 64bit.
 
 

nobody ?
My System SpecsSystem Spec
14 Mar 2011   #3
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

My suggestion is to do a complete driver wipe, if it was working at one point then stopped I can only assume something got jinky in the settings.
I would suggest completely removing the ati driver package with this tool
Guru3D - Driver Sweeper (Setup) download from Guru3D.com

Then reinstalling with the most up to date driver available on the amd/ati website.
Installing one driver after another is not really a solution you likely compounded the problem doing that.
My System SpecsSystem Spec
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14 Mar 2011   #4
Nemrah

Windows 7 Home Premium 64bit.
 
 

Ok , thnx for the reply !

I will try this.
My System SpecsSystem Spec
14 Mar 2011   #5
Nemrah

Windows 7 Home Premium 64bit.
 
 

Hi Maguscreed,

i have done what you suggested and the situation right now is this:

1 x 22 inch monitor is working good : 1680x1050 (called: MBW-seriall in the monitor resolution window in windows)
1x 19 inch monitor is working good: 1440x900 (called: M-seriall in the monitor resolution window in windows)

but the problem still exists with the 3rd monitor

1x 22inch : 1024x768 (called: Generic non-pnp monitorl in the monitor resolution window in windows)


any other tips ?

i will buy some new DVI connectors tomorrow , because maybe it is a broken DVI connector ?

(graphic cards only has dvi output, so i have 3 dvi -> vga connectors and the monitors only vga cables.)
My System SpecsSystem Spec
14 Mar 2011   #6
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

Well let's look more closely at the problem device then, what is the exact make and model of it?
My System SpecsSystem Spec
14 Mar 2011   #7
Nemrah

Windows 7 Home Premium 64bit.
 
 

You mean the monitor ?

Its an Octigen 22inch widescreen monitor.

(didn't completely understood your question "what is the exact make and model of it?", i am dutch )
My System SpecsSystem Spec
14 Mar 2011   #8
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

that was enough information.

I was hoping to find that the manufacturer in this case Octigen had provided some sort of device driver for the monitor that would allow windows and your graphics card to understand it better.

Unfortunately what I found was a message on the product page saying they had terminated their monitor service.
Octigen-Welcome to Octigen

Just out of curiosity, does the monitor work properly when it's the only one plugged in?
My System SpecsSystem Spec
14 Mar 2011   #9
Nemrah

Windows 7 Home Premium 64bit.
 
 

yeah i already checked that website out.

Bit poor service.

But i will test that tomorrow. Pretty late overhere.

I will post my findings tomorrow.

Thanks for your help so far.
My System SpecsSystem Spec
15 Mar 2011   #10
Nemrah

Windows 7 Home Premium 64bit.
 
 

Today i tried to change dvi connectors and the cables. This had no effect.

So i was quite annoyed about this and i went to the local computer store and bought myself a new graphic card.

a : MSI Radeon HD 5450 ,

I removed the 2 old cards and installed the new one. I deleted all previous drivers with Driversweeper.

Restarted the computer several times and STILL 1 of the 2 22inch screens is in the wrong resolution. After installing the latest ATI driver i was be able to get the resolution up to 1400x1050 but still no option to select 1680x1050.

So this isnt a graphic card problem i suppose ?

But a windows 7 i think ? because i didnt had a problem in XP !
My System SpecsSystem Spec
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 Sapphire Radeon HD 3850 - Dual/triple monitors problem.




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