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Do you have any other external mouse or external trackpad there ? If so, turn them off or remove their batteries and then check if you are able to click on Mac.
If not. force turn off your Mac. Press and hold down the Power button for 5-10 seconds and this will turn off your Mac. Then turn it back on and immediately hold down Command, Option, P and R at the same time until you hear start up sound for 2 or 3 times.
Then release the keys and let it boot. Please let me know if that didn't work, so we can continue troubleshooting.
Sorry for the delay. When did this problem start ?
Yes I see that. But is this after any software update or any changes made ?
We can reset the SMC (System Management Controller) of your Mac and see if it works or not.
Shut down the computer.
Plug in the power adapter to a power source, connecting it to the Mac if not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer.
Then test it.
Please let me knowif that didn't work, so we can continue troubleshooting.
Add a bookmark of this page or add this page to your favorites, so you can get back to me after the restart. The above instructions to reset SMC which will reset some hardware components including trackpad.
After doing the above steps, do the following as well.
Shut down your Mac
Restart and immediately hold down Command-Option-P-R keys at the same time
Hold the keys down until the computer restarts and you hear the startup sound for two or three times.
Release the keys and let the Mac bootup.
Of course. You don't have to rate now. It may take time to isolate the problem and fix it. The above instructions will only work for software glitchex only. If this doesn't work, please reply back to me and we can do more advanced troubleshooting.
You can get back to me via the bookmark you made, anytime you want. This question will not be closed. Make sure you reply to this if this doesn't work.
You're welcome and good night,