Press the power button while holding down Command-R.You’ll need to boot your Mac in Recovery mode and try to repair the disk with Disk Utility. Once your Mac has booted, ensure the correct startup disk is selected (see below).When your Mac plays a startup sound, release the keys after it sounds a second time (If your Mac has a T2 security chip, release the keys after the Apple logo appears and disappears a second time.).Press the power button and hold down Command-Options-P-R.

When this happens, the first thing you should do is reset your Mac’s NVRAM. If you see the question mark for a few seconds What to do if there is no startup disk on your Mac Here are a couple of things you can do to fix it. Such an error happens when your Mac cannot find a startup disk. But it can also stay there, not letting your Mac boot. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.Īre you trying to boot up your Mac and notice the dreaded question mark inside a folder icon on the screen? Sometimes it appears for only a few seconds, and then your Mac boots normally.

So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.

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