This cable sits between the bottom case and optical drive, and if the case has indentations in the same area, the cable may be the problem.īoot Your Mac From an Install DVD (For Older Macs)

The ribbon cable connecting the drive to the motherboard may be damaged.

The external disk you boot from may be off or disconnected.

Hard disk drive has failed catastrophically.Probably you previously started up your Mac from an external disk and later unplugged it, or its hard drive just failed terribly, so it’s having trouble locating its system folder or boot directory. That means it can’t find its startup disk, so it can’t boot or start up. Your Mac can’t find a bootable volume.

There are several reasons why the folder with a question mark appears on your Mac’s screen: Causes of Flashing Mac Folder with Question Mark While this is issue is more prevalent among older Macs, we shall try to address the same for new Mac models as well. Follow along to find out why you’re getting the folder with the question mark in the middle of the screen, and how you can resolve the problem.

How to lock a folder mac