MBP mouse won't click

anumaatii

Registered
Hi everyone,

(Was) running:
15" Macbook Pro, 3GB RAM, Original Leopard
(Computer is about 4-4.5 years old, so it's not a new one. 2nd gen?)

Last night I was using Firefox as I always do when my cursor decided not to let me move a file I was trying to move. The file sort of stuck to the cursor and I had to hard boot my computer back up. When I got to the login screen, I couldn't click my account with the trackpad mouse.

I was however able to select my account with tab and enter (I think it was), which let me login. I was able to get to system preferences but there was nothing unchecked with trackpad that shouldn't have been. (Trackpad = mouse? I think?) Logged in, I was still unable to click anything, which makes it pretty hard to use the computer!

I've tried various things to fix it, to no avail:
1. Hardbooting
2. Waiting all night, letting it sit off, hardbooting
3. Resetting PRAM

I also tried using my original gray installation disc for disk utility. I pressed "c" on startup, but once it started up, it ejected my disc. (Also tried the 2nd gray disc and the original Leopard disc.) I was able to reboot into Safe Mode pressing SHIFT on startup and then hard rebooting.

Just read about single user mode fsck -y and will try that shortly. I'll also see if "D" on startup keeps the install disk in to run AHT.

From what I've read, sounds like it might be the logic board. Can't afford that nor a new Mac. Looks like I'm back to a PC if that's what it is. *mourns*

Update: Wow, I plugged in an old Mac USB mouse we had lying around and that works! Yay! But should I still be concerned about the logic board or some other major issue?
 
Last edited:
It could be a corrupt trackpad/mouse preference file. If you trash that, restart, and check the trackpad to see if it works.
 
Thank you for the reply. I am unable to find the preference file, even after a thorough search (and googling). Do you know where it might be?
 
Home>Library>Preferences. It will start with com.apple.

If you select view by list it will make it easier to find.
 
With each OS X upgrade there are some changes. It is the com.apple.systempreferences.plist

Once you delete it, restart, then empty the trash. You will need to reset your specific preferences in System Preferences.
 
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