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Forums -> UltraMon™ -> Ultra slow disable/enable of secondary monitor
Doug Rathbun   2007-01-17 05:58
Greetings!
I'm using UltraMon 2.7.1. When disabling my secondary monitor, explore.exe goes into overdrive (CPU usage 100%, explorer.exe 99% of that) and I lose the use of my system for about thirty seconds. When enabling the secondary, the transition time is fifty-five seconds. Same CPU/explorer numbers. In both cases, when I am again able to work, albeit slowly, explorer.exe continues to hog the CPU for an additional forty-five to sixty-seconds.

The problem was worse with 2.7.0 but non-existent using 2.6.0, i.e. disable/enable happened in under five seconds.

Any clues?

Thanks in advance.

Here is a dump from EnumHooks: Operating system version: 5.1.2600 Service Pack 2 Potential hooks: RTSUltraMonHook.dll: Directory: F:\UltraMon ProductName: UltraMon ProductVersion: 2.7.1 CompanyName: Realtime Soft FileDescription: Hook DLL for Realtime Soft UltraMon FileVersion: 2.7.1.0 RTSUltraMonHookRes.dll: Directory: F:\UltraMon\Resources\en ProductName: UltraMon CompanyName: Realtime Soft FileDescription: UltraMon Resource DLL FileVersion: 2.6.23.3
Christian Studer   2007-01-17 08:54
Do you have the same problem when disabling the secondary monitor via Display Properties > Settings (uncheck 'Extend my Windows desktop...')?

Christian Studer - www.realtimesoft.com
Doug Rathbun   2007-01-17 12:00
Buy gum, exact same behavior! What a nasty coincidence. Must be time to roll back my display driver. Sigh...

Thanks Christian.

Doug
Christian Studer   2007-01-18 08:10
The issue might still be related to UltraMon though, but not directly to disabling the secondary monitor.

To check if the issue is related to UltraMon, try if you still have the problem if UltraMon isn't running or isn't installed.

Christian Studer - www.realtimesoft.com
Forums -> UltraMon™ -> Ultra slow disable/enable of secondary monitor

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