
On the second consecutive reboot release these keys as soon as your Mac displays the Apple logo or plays the startup sound.


Click the First Aid tab, and then click Repair Disk.Select Disk Utility | Macintosh HD startup disk.Select macOS Utilities in the Recovery Mode.Select your startup disk by clicking the Macintosh HD icon.Click the Apple menu, followed by Startup Disk.If you’re prompted to connect to a Wi-Fi network, connect to your Wi-Fi. Your Macbook will now display the Apple logo, and you will be prompted to enter the administrator password to login to the firmware.Press the Command + R keys simultaneously.Wait for a few seconds and turn on the machine again.Press and hold the Power key until your Macbook shuts down.Select your Macintosh HD startup disk icon, and click Restart.Click the lock in the bottom and enter your password to unlock it.Click the Apple menu and select System Preferences.Let us discuss all the solutions one by one in the sequence you should follow them. If the issue continues to occur, you might want to reset the NVRAM. If no startup disk is displayed, use the First Aid to attempt repairing your disk.

To resolve this issue, you can load up the Recovery Mode and select the appropriate startup disk. Download it here.Ī folder with a question mark denotes the Mac OS is unable to boot because a bootable volume cannot be found. Product to Try: Clone Files Checker for Mac which helps users organize their files and remove duplicate files easily. Those unlucky users might still be unable to boot up their Mac. This shouldn’t concern you unless you face this issue occasionally. Does your Mac flash a folder with a question mark as soon as you turn it on? Generally, this folder stays on for a few seconds (up to a minute), and the Mac will boot up as usual in a while.
