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Member Since 06 Apr 2010
Offline Last Active Jun 26 2015 06:28 PM

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Dual 8800GTX Problems

12 August 2011 - 08:10 PM

Hi all,

I'm having problems getting 4 monitors working on dual 8800GTX cards. My previous Snow install on my old machine using the same cards worked great. However it's been over a year since I got that working and have not recollection of how I achieved it!

Currently I have 2 monitors working with full acceleration (or so it seems) at full res. In the System Report under Graphics / Displays I have both cards listed with the same details, however one shows info on the connected displays and the other doesn't. The displays are connected and working as I run dual boot to Win 7 which uses all 4.

To get this far I used this tutorial http://aquamac.probo...a...&thread=569 The only difference being I got my PCI addresses from windows rather than using the card swapping technique described here.

I've remembered to remove the NVInject and other kexts listed and i've set GraphicsEnabler to "No" in the com.apple.Boot.plist.

Any help would be very much appreciated.


Gigabyte z68x-ud7-b3 (F8 bios)
i7 2600K @3.8ghz
16GB (4x4GB) Corsair DDR3 @1600
2xNVidia 8800 GTX
60gb SSD SATA (Lion boot)
120gb SSD SATA2 (Windows 7)
1TB Samsung SATA (Data)

Acer Aspire working perfectly, almost.... HELP! *SOLVED*

02 January 2011 - 12:19 AM

Hi all,

Thanks to some excellent guides on this forum I've successfully hacked my Acer Aspire 5720 to dual boot with Win 7. However I've got a boot problem and I have no idea why or how to fix it.

I installed originally from USB, and if I now boot from usb and pick my snow hard drive in the chameleon loader it works perfectly. If however I boot from the HD and in the chameleon loader pick the same snow HD it boots but the screen res is wrong, the wifi and trackpad don't work and other things are broken.

I'm completely confused as all the USB is doing it booting to chameleon then the rest of the actual mac boot is from the HD so why does it work booting from USB to HD and not from HD to HD?

Anyone got any suggestions?

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