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Dell Inspiron 9400 Keyboard Not Working


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Tried installing some Synaptics trackpad driver, screwed up, made no backup. I think if i can replace the ApplePS2Controller.kext with the old one it'll function again. Anyone send me the file?


Also, I tried this

cd "/Volumes/(name-of-OSX-partition)"
diskutil repairPermissions ./
cd System/Library
rm -rf Extensions.mkext Extensions.kextcache
cd Extensions
find ApplePS2Controller.kext -type d -exec chmod 755 {} \;
find ApplePS2Controller.kext -type f -exec chmod 644 {} \;
chown -R root:wheel ApplePS2Controller.kext


but when I pressed enter on "cd Extensions", something like directory/file not found came out.

Anyone help? Suggestions?




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