Reply to thread

Message: <blockquote data-quote="chscag" data-source="post: 1324559" data-attributes="member: 46727">I can't really pinpoint exactly what's going on but....It sounds like your first hard drive was defective and replacing it with the new one was the right thing to do.  However, and this is just a thought.... your Time Machine backup which was restored to the new drive may have carried over file errors that were caused by the first hard drive, and now have been inherited by the new one.I hate to recommend a clean fresh install of OS X, but that's what you may be faced with.  The other possibility, since you never mentioned the model and year of your MBP, is that the problems are hardware related other than the hard drive.  I don't believe from your description that it's the GPU (nVidia) that's causing it.You may have a busy weekend ahead of you.  If your machine is by chance still under warranty, a trip to your local Apple store might be a good idea.</blockquote>