ATI Radeon HD 7xxx FIX 10.9.2 1
1 1

By Niresh

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Install The Kexts Using Kext Wizard ( Tick Backup Kexts)

if you're Already messed up then boot with installer

rm -rf /Volumes/"OS X Volume Name"/System/Library/Extensions/IOPCIFamily.kext
rm -rf /Volumes/"OS X Volume Name"/System/Library/Extensions/AppleACPIPlatform.kext

"OS X Volume Name" == name of the volume you installed osx onto.

cp /"PATH OF EXTRACTED KEXTS"/IOPCIFamily.kext (!!not IOPCIFamily.kext/ must be without / !!) /Volumes/"OS X Volume Name"/System/Library/Extensions/
cp /"PATH OF EXTRACTED KEXTS"/AppleACPIPlatform.kext (!!not AppleACPIPlatform.kext/ must be without / !!) /Volumes/"OS X Volume Name"/System/Library/Extensions/

- "PATH OF EXTRACTED KEXTS" == path to the kext files.

chown -R wheel:root /Volume/"OS X Volume Name"/System/Library/Extensions
chmod -R 775 /Volume/"OS X Volume Name"/System/Library/Extensions

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      • By Deepak
        This post has been promoted to an article
      • By Deepak
        Kexts updated so it now supports OS X 10.9.1

        Buttery smooth performance, no crashes at all during my 7 day test. Gaming should be fine, I've only tested it with League of Legends at max options, resulting in 60FPS.
        Use the latest version of Chameleon just in case.

        Required settings:
        Tested on a XFX Radeon HD 677X-ZNLC 850M 1GB GDDR5 though it should work on Gigabyte, MSI and Asus models as well. See

        Best Regards
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