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Windows 7: BSOD when switching from INTEL to AMD 6770M, igp.sys

09 Jul 2014   #1
ronferri

Windows 7 Home Premium 64bit
 
 
BSOD when switching from INTEL to AMD 6770M, igp.sys

Hi,

If you can help me overcome this BSOD everytime I switch from intel 3000 to AMD 6770M it would be great. If not, then can you please teach me how to manually configure switching back from AMD to Intel3000 in safe mode to avoid the viscous circle of BSODs after each restart? Here's the explanation.

I have an HP DV6 with an AMD 6770M and an INTEL 3000 GPU, switching between them usually works fine by right clicking on the desktop and clicking Configure Switchable Graphics. It usually switches fine except a frequent BSOD when switching to the AMD card; always showing the same error with igdkmd64.sys. Sometimes the first restart will lead to the BSOD again because the system got stuck on the AMD card and cannot load its drivers properly, and I can only go to safe mode once. If the second restart after Safe Mode also fails in loading the AMD drivers Windows no longer loads and it takes me to the system repair screen which is a mess and I was about to lose all my data in a couple of occasions because of this.

To avoid this my question for you guys is this, how can I manually switch the primary boot GPU from the stuck AMD card back to Intel 3000 when I make it to Safe Mode. Is there a registry setting or a boot setting for that somewhere? Right Clicking on desktop does not work in Safe Mode.

After I restart from Safe mode I want windows to load the Intel GPU and not the AMD.

Yes I do have the latest drivers and been doing a clean install of said drivers for 2 years now, the latets release reduced the BSODs when switching but did not eliminate the problems.

I am not directly asking for help with AMD drivers, but on how to manually revert the switch using windows while in Safe Mode.

Thanks and hugs.


My System SpecsSystem Spec
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10 Jul 2014   #2
HarriePateman

Windows 7 Ultimate 64-bit
 
 

Before we can help you, you need to follow the instructions: Blue Screen of Death (BSOD) Posting Instructions
My System SpecsSystem Spec
10 Jul 2014   #3
ronferri

Windows 7 Home Premium 64bit
 
 

thank you.

I am not requesting help in eliminating the BSOD as much as instructions on how to manually change the boot GPU setting while in Safe Mode so it would take effect after restart.

Is there a registry option or a line i can edit in a boot.ini file somewhere in Win7?
My System SpecsSystem Spec
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10 Jul 2014   #4
HarriePateman

Windows 7 Ultimate 64-bit
 
 

Through the BIOS.
My System SpecsSystem Spec
10 Jul 2014   #5
ronferri

Windows 7 Home Premium 64bit
 
 

Thanks, but unfortunately the latest BIOS supplied by HP for the Dv6 does not have a GPU option.

Is there a way in Windows to tell the system which GPU to load after the next restart?
My System SpecsSystem Spec
10 Jul 2014   #6
HarriePateman

Windows 7 Ultimate 64-bit
 
 

You could try to do it through the GPU's control panel.
My System SpecsSystem Spec
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 BSOD when switching from INTEL to AMD 6770M, igp.sys




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