At the end of the installation, the setup assistant appears. It may take several reboots to complete the installation depending on the macOS version you are installing.ģ. When the installation is finished, your Mac automatically restarts from your built-in startup disk. This time, you need to select the built-in startup disk as the one you want to erase. Use macOS Recovery to erase your built-in startup disk and reinstall macOS. You don’t want to accidentally delete the data you have just backed up.Ģ. Now you’ve made a backup to your external drive, follow these steps to fix your internal startup disk by performing a fresh installation:ġ. After the desktop appears, confirm that your data is present on the external drive. When the migration is done, complete the steps of the setup assistant. Choose your built-in startup disk as the source to migrate your data from.Ĥ. When Setup Assistant appears, select the option to migrate your data from another disk. After installation is finished, your Mac automatically restarts from the external drive. Don’t select your built-in startup disk, usually named Macintosh HD.ģ. Take extreme care when you select the drive. Make sure that you select the external disk as the one you want to erase and install macOS. Use macOS Recovery to erase the external drive, then install macOS onto the external drive. The drive needs to be the same size or larger than your current startup disk.Ģ. Connect an external USB, Thunderbolt, or FireWire drive to your Mac. Use these steps to backup your data to an external drive:ġ. If you don’t have a backup copy of your personal data, time to backup your data now. Fresh installation not only can fix all your software issues but also give you a faster, virus-free and more stable system. It is always a good idea to do a fresh installation regularly. If the repair installation discussed above cannot fix your problem, you need to fresh-install the macOS. In the Disk Utility window, select your startup disk and click the First Aid tab. Jump to the hardware section below if you have a hardware issue.Ħ. This means your Mac cannot communicate with the hard disk drive at all. If you don’t have any disk listing under the internal section, your Mac definitely has a hardware-related issue. Open the Disk Utility from the macOS Utilities windows, if your disk is shown under the internal section on the top left-hand side, your Mac most likely has a software-related issue. Upon finish download, your Mac will run the macOS Utilities and the macOS Utilities screen appears.ĥ. A copy of the macOS Disk Utilities will be automatically downloaded from Apple’s server to your Mac.Ĥ. Select a Wi-Fi network and key in the password to connect to the Internet. Keep these three keys held down until you see the Wi-Fi network screen.ģ. Immediately press and hold the Command and Option and R keys on your MacBook keyboard to start your Mac from macOS Recovery. Press the power button once to turn your Mac back on. Turn off your Mac by pressing and holding the power button for at least 5 seconds.Ģ. Follow these steps to identify whether it is a software issue.ġ. But don’t worry, if it is caused by a software issue, you have a good chance to fix it by yourself. If your Mac stays on the flashing folder with question mark all the time, it indicates your Mac is in trouble. We will discuss your repair options, the services available on the market and how to choose the best. If your Mac still displays a flashing folder with question mark, you may need professional help to get your Mac back to work. In this guide, we will discuss all the factors and provide comprehensive solutions to solve the folder with question mark mac not startup problems. The hardware-related issues require some equipment and(or) spare parts. Usually, software-related issues are easy to fix. Depending on what causes the Mac question mark folder issue, the corresponding solution varies from easy to hard. All these factors can be categorized into software-related and hardware-related. Many factors could cause the Mac question mark folder issue. It’s our pleasure to share with you the 12 practical tips and tactics to fix the Mac folder with question mark issue. IT-Tech Online is a Mac repair specialist in Australia. What to do now? Follow this step-by-step guide to fix the folder with question mark mac problem before reaching out for professional help. You only see a Mac folder with question mark on the screen. Your Mac has been working fine for years, but it suddenly cannot startup today.
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