3 ms·
This really sounds like a hardware problem, not Yosemite. I've upgraded 4 Macs (2 Airs, older iMac, and old MacBook Pro) and haven't seen any problems like you
by sxcurry 12y ago
This really sounds like a hardware problem, not Yosemite. I've upgraded 4 Macs (2 Airs, older iMac, and old MacBook Pro) and haven't seen any problems like you describe.