My G4 iBook (14inch, 1.2 Ghz) has been giving me problems in the last two weeks.
At first I thought it had something to do with the latest update to OS X 10.4.11, but after doing an archive and install and checking things out with Disk Warrior, I'm thinking it's the logic board.
The main problem is that the machine has a tendency to freeze while I'm working with it. Sometimes it happens when I'm just doing work with Word or Appleworks. Sometimes it happens when I'm trying to access an electronic gradebook where I teach. It DEFINITELY freezes when I attempt to pick up the machine from the lower left corner where the hard drive is located.
I thought it might be a hard drive issue, so I actually replaced it, but the problem of freezing remains.
The freezing is weird, however. What happens is that the cursor can move around on the screen, but that's all that works. I can't access any menus or anything on the dock. At times the dock will freeze in middle of enlarging as the cursor passes over it.
After doing some research, it seems that this might be a logic board issue.
My machine isn't under warranty since I bought it secondhand off eBay and I've been using it quite a bit for the last year with no problems whatsoever. Is there a fix to this or am I going to have to replace the logic board? I'm seeing prices that are running in the $350 - $500 range.
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