Problem: Trackpad tap not working.
Fix: Put computer into sleep then it works after waking up.
Boot cannot find com.apple.Boot.plist:
If something goes wrong usually you don’t get the full 1280×800 resolution. You can fix that just adding to com.apple.Boot.plist configuration file (did you remember the time-out for boot menu?) these new lines:
* <key>Graphics Mode</key>
You should have something like this:
NOTE: Before you reboot the system, remember to repair the privileges!
kextHelper (it sets the correct rights and stuff and makes a backup of your replaced kexts).
If ever a kext has your system crashing, not booting or unstable do the following:
Boot into “single user mode” by specifying -s at the boot prompt
Then type: /sbin/fsck -fy /sbin/mount -uw / (don’t forget the / at the end!!)
Then erase the offending kext(s) with the backup(s) (example of AppleIntelGMA950 kext) cp -R /Backup Extensions/AppleIntelGMA950.kext/ /System/Library/Extensions/ rm /System/Library/Extensions.mkext
Reboot with the -f option
OSX86 9 step install guide:
Uses bootloader from Windows 7 after installing OS X to repair the boot sector, with Diskpart commands. Then adding OS X to windows boot menu while inside windows.