Your Mac keyboard may not be working because a new app is interfering with it. Deleting this can help with many other issues, including problems with your Mac’s mouse. Type in ~/Library/Preferences/ and click Goģ. plist files, though, you might want to back up your Mac with Time Machine, in case you run into any issues later.Ģ. plist files can help with all sorts of problems, by resetting settings that may be the cause. If there are updates available, install themĪlso, if you need more help, read this detailed guide on how to update Mac. In that case, updating macOS could help.ģ. It’s possible your Mac keyboard isn’t working due to software issues. Rotate your MacBook or keyboard to its right and then left side.Using a can of compressed air, spray the keyboard or the non-functioning keys.

Hold your MacBook or Mac keyboard vertically, preferably at a 75º angle.Cleaning out under the keys could solve the problem.This is likely if you have a habit of eating while using your Mac. Results may vary as some people claim this driver does not work on Precise.Īlso this blog appears to have used a script to get it to work.When certain Mac keyboard keys aren’t working, it could be caused by dust and other junk underneath them. If it still doesn't work, try installing the nvidia-bl-dkms package from mactel-support for Natty (from ), this was the only way for me to get the backlight control working on Precise. Reboot and backlight control should work. Update grub with this command: sudo update-grub If not, edit the file '/etc/default/grub' and change the line: GRUB_CMDLINE_LINUX_DEFAULT='quiet splash' to GRUB_CMDLINE_LINUX_DEFAULT='quiet splash acpi_backlight=vendor' Reboot and check if backlight control works. If backlight control does not work for you, follow these instructions:Įdit the file '/etc/X11/nf' and add this line into the Device section: Option 'RegistryDwords' 'EnableBrightnessControl=1' Fortunately, the following procedure works (taken from ):

The package nvidia-bl-dkms is not available for 12.04. The Ubuntu documentation page has the following information in relation to the Macbook.

How to turn on macbook keyboard light