Jason Brooks 2007-04-09 15:33
When I first installed Vista I installed an older version, I think 2.6 of Ultramon 64 with the DisplayMirror Option. When the new version came out that was vista compatable, I uninstalled the older version and rebooted. I still got the found new hardware for displaymirror when I rebooted. Since then I have upgraded to 2.7 and then 3.0 beta. I still get the displaymirror error from the past. I installed 3.0 without displaymirror support and still get that message. Is there any way to remove that hardware driver or whatever is stuck in windows manually?
Jason
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Christian Studer 2007-04-10 09:18
The following should fix the problem:
1) run regedit.exe
2) right-click the key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\DISPLAYMIRROR and select Permissions from the menu
3) click on Advanced, select the Owner tab, then set yourself as the owner and click on OK
4) back on the Security tab, select the SYSTEM account and deny it Full Control
After the next reboot, you will no longer get prompted to install a driver.
Christian Studer - www.realtimesoft.com
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gizmo 2007-04-24 07:13
If you do that in the register , you will loose the windows activation in vista and will not be able to reactivate windows vista again till you set that permission back
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gizmo 2007-04-24 08:11
better use the method subscribed here
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Christian Studer 2008-10-01 00:13
Another solution:
1) download PsExec and extract the ZIP file to a folder of your choice
2) open a command prompt as administrator
3) run the following command:
psexec -s -i regedit
You may need to specify the path to psexec as well, for example:
C:\Temp\psexec -s -i regedit
4) in the registry editor, delete the key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\DISPLAYMIRROR
Christian Studer - www.realtimesoft.com
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almy 2009-03-20 00:14
psexec solution worked great, this had been plaguing me for ages. Thanks!
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