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Why is a question mark popping up on Mac?
The flashing file folder with a question mark icon is essentially saying “no boot device found”, meaning the Mac is not able to find its startup disk, therefore unable to boot. After re-selecting the startup disk, re-start your device and the issue should subside.
What does flashing file on Mac mean?
A folder with a flashing question mark means that your startup disk is no longer available or doesn’t contain a working Mac operating system. If the question mark appears only momentarily before your Mac starts up normally: Reset NVRAM. Make sure that your preferred startup disk is selected in Startup Disk preferences.
Why is my Mac still flashing question mark folder?
If the Startup Disk is still not visible after repair, then you would need to reinstall macOS to solve the ‘Flashing Folder with a Question Mark’ problem. This is critically important because if you reinstall the OS without first backing up the data, it will result in data loss due to overwriting.
Why is there a flashing folder on my MacBook Pro?
This can arise because you might have started up your computer from an external disk and later unplugged it, or it means your hard drive has failed. As explained above, a Macbook pro flashing folder means your Mac cannot discover its boot directory.
How do you repair a flashing disk on a Mac?
Step 1: In the macOS recovery mode, go to macOS Utilities and click Disk Utility. Step 2: From the left pane, select the Startup Disk ( Macintosh HD ). Step 3: Click the First Aid tab and then click the Repair Disk button. Step 4: Exit Disk Utility once the repair process is over.
Why does my MacBook have a question mark at startup?
This is as a result of either the Mac is corrupt or simply a failure to detect the startup disk. Here are some reasons why you might see this question : Damaged hard drive. If your computer can’t identify your hard drive, it might not startup. This is due to a bad cable or a mechanically failed hard drive.