A question mark on a Mac Book Pro laptop.
Mac Pro laptop showing a question mark. I tried holding down the up key and tells that I have non working hard drive
Flashing folder with a question mark is an error that may occurs when Mac cannot detect its boot directory. This usually happens when:
1. Mac cannot find the startup Disk.
2. MacOS is corrupt
However, you can try the below methods to fix the issue:
1. Boot your Mac into macOS Recovery Mode
2. Repair startup disk using disk utility
3. Reinstall macOS
Further, to fix the issue, I suggest you to check the below link and follow the described methods:
https://www.stellarinfo.com/blog/repair-mac-flashing-question-mark-folder-error/
Hope it helps!