Recently the tap to click on my trackpad will disable itself after a restart and I have to go into System Preferences to enable it. Has anyone experienced this and know of a solution?
I'm running Snow Leopard on a white MacBook (Mid 2010).
Open Terminal.app and enter the following to (re-)enable tap to click on the Trackpad:
Then, log out and log back in again.
That is a common issue for some 10.5 and 10.6 users with different MB/MBP models, sadly!
I once had a very similar problem, regarding my trackpad and fixed it, by patching the Trackpad.prefPane which is located here:
Another method would be to alter the current setting of the current
If you don't know what i am talking about i suggest you don't try, since you can break your system which the would require a reverse-engeneering of my suggested solution(s) or a fresh install!!
Apple is aware of this and other issues, though they won't admit it easily, so in due time there will be a fix within one of the system-updates.
Good luck and if you succeed let me know please!