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About This File

If you need a method to install just use U{censored} + mountain lion (10.8.5 recommended as it eases the process) but delete the mentioned graphics kexts after restoring to USB!

Before Installing I Suggest You Remove All The nVidia & IntelHD Graphics Kexts

To Do It If You Cant Boot Into Installation Just Write These Codes In Single User Mode (type in verbose -s -v)

fsck -fy

mount -uw /

mkdir /kext_backup

cd /System/Library/Extensions

mv AppleIntelHD* AppleIntelSNB* AppleIntelFramebuffer* AMDRadeon* NVDA* ATI* GeForce* /kext_backup

cd /

rm /System/Library/Caches/com.apple.kext.caches/Startup/Kernelcache

touch /System/Library/Extensions


This is a pack with all u need to get your ACER 5742G with Intel First Gen Graphics and the GT540M Optimus (Still Not Working, Probably Never Will)

By installing all the files correctly you will get :

QE/CI From Integrated Graphics Card


Brightness Adjustment

Battery Displayed Correctly

What's New in Version 1.0


  • Brightness Added To DSDT
  • Fixed Battery Display
  • Fixed Sound In DSDT

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