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GT650m not working in normal boot (10.8.4)

ndivia

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#1
rr7

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Hi,

 

i'm trying out a new AIO computer, this one has a GT650m.

 

i can install and run ML 10.8.4 in safe mode, when i boot in normal mode it never seems to get to the desktop. it doesnt crash, i still see the odd console message from os x.

 

i'm guessing this is the gfx driver not kicking in, but i'm not sure what it expects, i heard 650m worked out the box.

 

i'm running latest chameleon, graphics enabler=no (=yes doesnt fix it)

 

i have attached my unlatched DSDT taken from windows, and also my ioreg taken from safe mode boot.

 

i'm used to dealing with the intel gfx, nvidia is a new one on me.

 

could anyone perhaps point me the right way? i'm good for making DSDT edits and editing plists etc.

 

 

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#2
rr7

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okay, so once again something i thought was known to work actually seems to be a source of grief for some people.

 

so maybe i'll ask a different question.

 

what is the driver that enabled graphics acceleration for kepler  cards?

 

reason i ask is that in safe mode the frame buffer loads fine, the card is detected with the correct ram and at the right resolution. i can boot the installer in safe mode no problem.

 

NVDAGK100Hal and NVDAResman are loaded.

 

i'm wondering if perhaps graphics is not the problem stopping my system loading in normal mode....



#3
styrian

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With by others not known hardware, you will not get support. It is a bit to play guess.

On wich device do have the GT650m? Is there Intel gfx too and Optimus?

 

Have fun!



#4
rr7

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It's a Lenovo B540p

Ivy bridge i7 3770 and nvidia gt650m

I don't think it has Optimus, the hd4000 is not visible it useable in any way.



#5
rr7

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IT WORKS!

 

i was right, it wasnt the gfx

 

in fact it was VT-d, adding dart=0 to boot strings and it works great :D



#6
styrian

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@ rr7

 

Hello!

 

Please write some lines about your getting up your GT650m. Some others here are fighting to get M Kepler cards working.

 

Congrats to your  :happymac:

 

Thanks in advance.



#7
rr7

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@ rr7

 

Hello!

 

Please write some lines about your getting up your GT650m. Some others here are fighting to get M Kepler cards working.

 

Congrats to your  :happymac:

 

Thanks in advance.

the only steps need to enable gfx was GraphicsEnabler=No. to boot in normal mode (not safe mode) i had to add dart=0 otherwise it would freeze.ML10.8.4



#8
TeoTheCool

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Could somebody with a mobile kepler card from a laptop try this? It would be simply amazing if this small dart=0 would fix the hang at boot...



#9
gothic860

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K2000M here. VT-d disabled in BIOS + dart=0 not working.







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