When your Mac restarts, hold down the Command and R keys until the MacOS Utilities windows appears.

Why do I have a gray startup screen with a folder and flashing question mark? Press the power button (or press Control+Eject) and, when a dialog box appears, click the Restart button. You can reboot your laptop by navigating through your Apple menu, or by using a combination of keystroke commands on your keyboard. Let your break continue. Tip. Then, open the applications First Aid and Disk Utility. If your old Mac is still acting up and you've decided you want to upgrade, check out our roundup of the Get instant access to breaking news, the hottest reviews, great deals and helpful tips.Thank you for signing up to Laptop Mag. The computer will restart and continue installing. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Hold down Command+R at the reboot. Your settings need to be reset. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/35\/Reboot-a-Macintosh-Laptop-Step-1.jpg\/v4-460px-Reboot-a-Macintosh-Laptop-Step-1.jpg","bigUrl":"\/images\/thumb\/3\/35\/Reboot-a-Macintosh-Laptop-Step-1.jpg\/aid1987503-v4-728px-Reboot-a-Macintosh-Laptop-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"