crwdns2934241:0crwdne2934241:0 da stumer
crwdns2934249:0crwdne2934249:0:
The problem could potentially be the battery as well. If a Mac doens't detect an internal battery properly, I have found that they will throttle the CPU. A battery replacement wouldn't hurt to try, especially if yours has a lot of cycles already.
crwdns2915684:0crwdne2915684:0:
open