Sunday, April 13, 2008

PS2 doesn't work after 10.5.2 update

this is another thing that didn't work for me after updating to 10.5.2 on several computers, and several installations including laptop trackpad,

the solution is fairly easy, you need to restore your ApplePS2Controller and AppleACPIPlatform kext (Kernel Extensions).

so the first thing you need to have is the 10.5.1 kext here are links (in case you didn't back it up):

the way to restore them is from the command line:

  1. open terminal and write these commands:
  2. sudo -s (press enter and write your password and press enter again)
  3. mv /System/Library/Extensions/ApplePS2Controller.kext /System/Library/Extensions/ApplePS2Controller.kext.10.5.2
  4. mv /Extensions/AppleACPIPlatform.kext /Extensions/AppleACPIPlatform.kext.10.5.2
  5. these commands will backup your current 10.5.2 kext, just in case
  6. next copy the 10.5.1 kext and set their premissions like this:
  7. cp -R /ExtensionsBackup/ApplePS2Controller.kext /System/Library/Extensions
  8. chmod -R 755 /Extensions/ApplePS2Controller.kext
  9. chown -R 0:0 /Extensions/ApplePS2Controller.kext
  10. cp -R /ExtensionsBackup/AppleACPIPlatform.kext /System/Library/Extensions
  11. chmod -R 755 /System/Library/Extensions/AppleACPIPlatform.kext
  12. chown -R 0:0 /System/Library/Extensions/AppleACPIPlatform.kext
  13. Reboot
that's it, if you are suffering from any problem please post comments on this post.


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