When computer starts up, it shows blinking question mark inside of a folder. When I go to diagnostics, the options are greyed out.
Then I ran a command D from startup, and I was told battery was bad but that laptop could still be used.
Help
iPad Air
Posted on Jan 5, 2016 8:21 AM
Q: what does flashing question mark mean during startup
If a flashing question mark appears when you start your Mac