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Windows 7: Switchable graphics notification

09 Sep 2010   #1
ramya987

Windows 7 Professional
 
 
Switchable graphics notification

Hi

I am developing an application for a system having following switchable graphic cards:
AMD M880G with ATI Radeon HD4225 + ATI Radeon HD 5430
and Windows 7 OS

Is there any notification that I could get when the card is being switched.

I can see that the switching is not allowed when IE 8 is running.
A message "Switching the graphics processor cannot occur until your current applications are closed" pops up. So I believe there is some notification.

Could someone tell me how to prevent switching between graphics cards while the application is running.

Thank you


My System SpecsSystem Spec
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09 Sep 2010   #2
mw2

Windows 7 Professional
 
 

hi

im not an expert on hardware, but why would you want to switch graphic cards while your computer is switched on? and what do you mean by switching are you going to use 2 graphic cards?

Also I have had a lot of problems with Ati Radeon on my PC. But the HD sounds promising

Thanks
My System SpecsSystem Spec
09 Sep 2010   #3
smarteyeball

 
 

Quote   Quote: Originally Posted by mw2 View Post
hi

im not an expert on hardware, but why would you want to switch graphic cards while your computer is switched on? and what do you mean by switching are you going to use 2 graphic cards?
I don't think the OP means physically switching
My System SpecsSystem Spec
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09 Sep 2010   #4
ramya987

Windows 7 Professional
 
 

The system has 2 graphics cards internally and has the capability to switch seamlessly between them whenever there is a change in power mode.

Based on the power mode, it either uses High performance GPU or switches to power saving GPU.
My System SpecsSystem Spec
09 Sep 2010   #5
thefabe

Windows 7 ultimate 64 bit / XP Home sp3
 
 

Here ia a link for Switchable Graphics Frrequently asked questions. I don't know if your answer is in here but it's a place to start.
It's from Lenov0 and refers to Vista, but their is a lot of information in it. Fabe Lenovo Support & downloads - Switchable Graphics Frequently Asked Questions (FAQ) - ThinkPad R400, T400, T500, W500
My System SpecsSystem Spec
09 Sep 2010   #6
ramya987

Windows 7 Professional
 
 

Thanks for the link.
But I did not get a solution to my problem.

Lenovo Support & downloads - Switchable Graphics Frequently Asked Questions (FAQ) - ThinkPad R400, T400, T500, W500

As per the above question - the switching is prevented when the application is added to the exception list.
Is there a way to add the application to the exception list. ( By code )
My System SpecsSystem Spec
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 Switchable graphics notification




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