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10-22-2008, 07:49 PM
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Join Date: Jan 2008
Location: United Kingdom
Posts: 554
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I think this problem happened to many users after updating to 10.5.3+. This might help you get your display back:
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Originally Posted by Krazubu at InsanelyMac
Many people with nVidia lost QE/CI after the 10.5.3 update.
The way to bring it back is very simple :
- Open the info.plist of the injecter (/system/library/extensions/xxxx.kext/contents/info.plist)
- Find the line with :
QUOTE
<key>IOProbeScore</key>
<integer>XXXX</integer>
- Replace that number with 0
- Save to desktop, move the file back over the original one, overwrite (you'll need to authenticate)
- Launch the terminal and type those 3 lines to repair permissions :
QUOTE
sudo chown -R root:wheel /system/library/extensions
sudo chmod -R 755 /system/library/extensions
sudo rm /system/library/extensions.mkext
You can now exit and reboot, QE/CI will be back
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There are more possible solutions over at the source. Otherwise you could try the NVKush drivers which have worked for a lot of people 
Mac OS X 10.6.4 Retail || Intel Core2 Duo E8200 2.66GHz || Gigabyte G31M-ES2L || GeForce 6600 GT 128MB || Realtek ALC883 Audio || Realtek RTL8169 LAN || Samsung SpinPoint F1 1TB HD || Sony Dual Layer IDE DVD RW DW-D22A || Apple Aluminium Keyboard || Mighty Mouse
MacBook Pro || 2.4Ghz Core 2 Duo || 200Gb HD || 2Gb Ram || NVIDIA GeForce 8600M GT
iPhone 4 || 16Gb
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