How do I regain use of my 2011 MacBook Pro that is flashing a ? on a file folder when I try to turn it on?

59BandMan wrote:

How do I regain use of my 2011 MacBook Pro that is flashing a question mark on a file folder when I try to power up?

If your Mac starts up to a question mark

If your Mac starts up to a question mark - Apple Support

May need a new drive or perhaps just a reformat. That's usually a sign that the drive is dead or at least the boot volume is corrupted. Hope you have a good backup.