Flashing question mark when I turn on my MacBook
When I turn on my MacBook a flashing file with a question mark in the middle appears I’ve watched all the YouTube videos and nothing seems to work it was working at first and now it’s like I’ve almost tried to many times and now it doesn’t want to work,
it just pulls up a caution sign with the apple.com/support logo and -2006F
what do I do?
[Re-Titled by Moderator]