A dead or defective battery can prevent your MacBook or PowerBook from. You gotta love vague error messages. The question mark folder , as most people have found out, is a result of the MacBook not being able to determine a valid operating system . Why my Macbook iMac come out flashing question mark showing during booting up and stuck there? Your Mac cant read any valid operating .
A flashing question mark appears when you start your MacBook. Why Choose Our Apple Certified Mac. This fix will work on any Macbook , iMac, Mac Mini or Mac Pro. The MacBook blinking folder and question mark is the signal given by your device telling you that your Mac is unable to find the start-up disk.
Have you recently attempted to start your MacBook only to encounter a strange flashing question mark over a folder ? This usually occurs during system start up. Blank screen with flashing question mark. While installation it forced me to restart.
After restart nightmare has been started. The Blinking question mark folder has appeared on my screen.


