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Richard, Apple Software Engineer
Category: Mac
Satisfied Customers: 30203
Experience:  IT Engineer for over 15 years
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I have a 2015 MacBook, And today a question in a folder

Customer Question

JA: Hi. How can we help?
Customer: I have a 2015 MacBook
JA: Just to clarify, how old is your MacBook and what operating system are you running?
Customer: And today a question mark in a folder popped up during startup
JA: What troubleshooting have you tried?
Customer: I don't know what to do
JA: The Mac expert can solve this for you. Anything else you want him to know before I connect you two?
Customer: Bc I don't want to delete my hard drive Nothing else
Submitted: 2 months ago.
Category: Mac
Expert:  Richard replied 2 months ago.

Hi there and welcome

Can you do the following please

  1. Shut down your Mac.
  2. Locate the following keys on the keyboard: Command (⌘), Option, P, and R.
  3. Turn on your Mac.
  4. Press and hold the Command-Option-P-R keys immediately after you hear the startup sound.
  5. Hold these keys until the computer restarts and you hear the startup sound for a second time.
  6. Release the keys.

Tell me if it then starts correctly please