How to upgrade to a new kext version Log in as root

Open Terminal, cd to your Downloads directory, and unzip the files as above.

sudo rm -rf /System/Library/PreferencePanes/PS2PreferencePane.prefPane
sudo rm -rf /Library/PreferencePanes/Synaptics\ Trackpad.prefPane
sudo cp -rf Synaptics\ Trackpad.prefPane /Library/PreferencePanes/
sudo chmod +x /Library/PreferencePanes/Synaptics\ Trackpad.prefPane/Contents/Resources/preferenceHelper
sudo rm -rf /Library/LaunchAgents/com.meklort.ps2.helper.plist
sudo cp -rf com.meklort.ps2.helper.plist /Library/LaunchAgents/
sudo rm -rf /Extra/Mini9Ext/ApplePS2Controller.kext
sudo cp -rf ApplePS2Controller.kext /Extra/Mini9Ext/
open /Extra/UpdateExtra.app

Update extras and reboot.


How to remove and restore your system Log in as root
Open Terminal, cd to your Downloads directory, and unzip the files as above.
sudo rm -rf /System/Library/PreferencePanes/PS2PreferencePane.prefPane
sudo rm -rf /Library/PreferencePanes/Synaptics\ Trackpad.prefPane
sudo rm -f /Library/LaunchAgents/com.meklort.ps2.helper.plist
sudo rm -rf /Extra/Mini9Ext/ApplePS2Controller.kext
sudo cp -rf /Extra/ApplePS2Controller.kext.bak /Extra/Mini9Ext/ApplePS2Controller.kext
open /Extra/UpdateExtra.app
Update extras and reboot.