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HP DV7 Graphics and USB3


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#1
denneboom

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Hey everybody,
I finally installed Lion to my laptop, but now i got some problems. When i go to the system informations, I can see the Radeon HD 6770m and Intel HD3000 under "Graphics". The problem is, Lion uses the Intel HD3000 (with 384MB vram), instead of the 6770m. How can i activate the Radeon HD?.
The 2nd problem is, when i insert a usb device into one of the USB3 slots, Lion freezes and crashes. How can i solve these problems?

#2
jeffc2009

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lookup ways to disable intel HD3000 within dsdt.aml. What kext are you using for USB 3.0?

#3
denneboom

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lookup ways to disable intel HD3000 within dsdt.aml. What kext are you using for USB 3.0?


I use the PXHCD.kext for USB. I could not find anything for disabling HD3000, can you maybe post a link, please?

#4
jeffc2009

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Try to contact MaLd0n. What usb 3.0 chipset do you have?

#5
denneboom

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Try to contact MaLd0n. What usb 3.0 chipset do you have?

Should I contact MaLd0n for disabling HD3000?

#6
jeffc2009

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yes

#7
denneboom

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OK, thanks for your help. I will search for my USB 3.0 chipset.





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