Set higher resolution on second screen with Bootcamp (win7)

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Fnkdlx Author

Level 1

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Set higher resolution on second screen with Bootcamp (win7)

Hi Guys,

I am struggling to get my UltraWide 21:9 monitor working as second screen on my mid 2011 imac via Bootcamp windows 7.

The max resolution I can set in windows is 1920x1080. I want it to be on 2560x1080. This should be possible.

If i try to open AMD Catalyst in windows it says:

"amd catalyst control center cannot be started there are currently no settings that can be configured"

Imac specs:

CPU: Intel i7

RAM: 8GB

GPU: AMD Radeon HD 6900M Series

iMac, OS X El Capitan (10.11)

Posted on Jan 31, 2016 3:23 AM

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Answer 1

dialabrain

Level 10

122,633 points

Jan 31, 2016 3:57 AM in response to Fnkdlx

See: http://support.amd.com/en-us/kb-articles/Pages/AMDCatalyst15-7WINReleaseNotes.as px

In the notes… This driver is not intended for use on AMD products running in Apple Boot Camp platforms. Users of these platforms should contact their manufacturer for driver support.

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Answer 2

Fnkdlx Author

Level 1

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Jan 31, 2016 5:06 AM in response to dialabrain

There is a Bootcamp section on the AMD support site:

http://support.amd.com/en-us/download/desktop/bootcamp

I've uninstalled the AMD driver that comes with Bootcamp, and runned the AMD Clean utility. After that i installed the latest driver form the AMD website (from the Bootcamp section). The driver is installed, it's just that Catalyst won't open and i cant do any settings.

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Answer 3

dialabrain

Level 10

122,633 points

Jan 31, 2016 5:18 AM in response to Fnkdlx

Not sure what to tell you. AMD seems to be supplying conflicting information. Since you downloaded the driver from them, I suppose you need to contact them as to why it doesn't work.

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Answer 4

Apr 28, 2016 4:21 PM in response to Fnkdlx

Hello, sorry to resurrect an old post, but I have the same issue / question with the same mid-2011 iMac.

I have a new 4k monitor, and I'm trying to see if I can get a resolution higher than 1080p in bootcamp on Windows 7.

I'm running Catalyst 14.11.2 Beta with the 14.3 driver.

I thought it was a limitation of my thunderbolt (mini-displayport) to HDMI 2.0 adapter,

so I tried direct mini-DP -> DP, and I'm still limited to 1080p.

I think it's just a driver limitation, since the video card should support it.

The iMac's native resolution is 2160x1400!

Were you able to find any solution?

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Answer 5

Apr 28, 2016 4:49 PM in response to jakedowns

Update: I found a solution! Posting in case someone else stumbles on this in the future. 🙂

This post helped: http://superuser.com/a/157859

Issue seemed to be ViewSonic's monitor driver... when I switched to a generic Digital Flat Panel driver, the missing settings showed up!

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Answer 6

Apr 29, 2016 4:44 PM in response to jakedowns

Another update:

Make sure you have GPU up-scaling disabled in AMD's CCC (under My Digital Flat-Panels > Properties > Image Scaling Preferences)
You might also find this Custom Resolution Utility useful: http://www.monitortests.com/forum/thread-custom-resolution-utility-cru
Along with http://www.monitortests.com/forum/thread-amd-ati-pixel-clock-patcher

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