crwdns2934241:0crwdne2934241:0 yassine ouarraki

crwdns2934249:0crwdne2934249:0:

I can't start my MacBook using control R, control option R, or shift control option R.

For all combinations I only get the folder with a question mark shown.

What can it mean and how can I fix it?

crwdns2915684:0crwdne2915684:0:

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