You might wonder why my mac trackpad not working right, why its started behaving odd. You cant able to move your mouse with trackpad, you wanna fix it quick here are the few steps hope it would be useful for you.
* Shutdown MacBook.
* Power on MacBook.
* Immediately hold down the following keys at the same time: command, option, p, r
* Do not let go of the keys until you hear two chimes
* After two chimes, release keys to boot normally.
* Shutdown MacBook again.
* Press and hold down the power button until you see the front light indicator blink.
* After you hear the chime, release finger from power button and it shall boot.
* Shutdown MacBook.
* Power on MacBook.
* Immediately hold down the following keys at the same time: command, option, p, r
* Do not let go of the keys until you hear two chimes
* After two chimes, release keys to boot normally.
* Shutdown MacBook again.
* Press and hold down the power button until you see the front light indicator blink.
* After you hear the chime, release finger from power button and it shall boot.
Thats it you hope this will work for all mac users. Happy Computing !