Home > Article > System Tutorial > The question mark file keeps flashing when Mac starts up (Mac flashes question mark folder startup troubleshooting solution)
Preface: Many friends have asked questions about the question mark file that keeps flashing on Mac. This text site will give you a detailed answer for your reference. I hope it will be helpful to you! Let’s take a look!
What is the problem with the white screen showing a question mark when the Apple computer is turned on? Where can I fix the white screen when the Apple computer is turned on? It means the system has crashed. Install dual systems. This fault often occurs in the system. The cause of system crash is usually caused by system conflicts. Suggestions: Connect the charger and press the Option key when turning on the computer.
When a question mark is displayed when the dual system is turned on, you can use the following methods: If the question mark only appears for a few seconds, then continue to start. You can choose System Preferences from the Apple menu, then click Startup Disk. Click the disk icon that you usually use to start your computer. Usually named "Macintosh HD".
Solution: In the shutdown state, press and hold the Command R key, then press the power button and release it. Note that the Command R key cannot be released at this time. Until the language selection interface appears. Select the system language to be installed and click "→" to continue.
When I turn on my Apple computer, a folder with a question mark appears. What's going on? Reason: The system is damaged and cannot be started. Solution: In the shutdown state, press and hold the Command R key, then press the power button and let go. Note that the Command R key cannot be released at this time. Until the language selection interface appears.
If the system is lost or crashes and cannot be booted, a question mark will appear when the Mac cannot start any system. Installing Windows with an incorrect partition format will cause the system to be unable to boot. For example, if an MBR partition is used to install Win10 on a post-2015 model and the hard disk is damaged, resulting in no system state, the same situation will occur.
Try these suggestions: If your computer starts up after a brief delay or displays a question mark at startup, you may need to select a startup disk. Select Apple Menu System Preferences, click Startup Disk, then select a drive.
1. If you see a flashing question mark when starting the Mac, it may be because the Mac cannot find the required startup files. system software. Often, all you need to do to get your Mac bootable and functioning properly again is to make it remember the location of its software.
2. After turning off the computer, hold down the option on the keyboard for five seconds and press the power button. The time starts from pressing the power button. Then the icon in the picture will appear. Select the network and enter the password. Return and click the disk icon to restore the system. This time varies depending on the network.
3. If you see a flashing question mark when starting your Mac, it may be because your Mac cannot find the system software required to start. Often, all you need to do to get your Mac bootable and functioning properly again is to make it remember the location of its software.
1. Reason: The system is damaged and cannot be started. Solution: In the shutdown state, press and hold the Command R key, then press the power button and let go. Note that the Command R key cannot be released at this time. Until the language selection interface appears.
2. The question mark folder means that this disk does not have macOS and needs to install a macOS. You need to reinstall macOS using the macOS CD.
3. If the computer starts normally after a short delay, you may only need to reselect the startup disk in the "Startup Disk" preferences. It's normal to see a flashing question mark when no startup disk is selected. In most cases, reselecting the startup disk is all that is needed to resolve the issue.
1. A question mark folder appears on MacBook Air when starting up. The reason is that the system files are lost. For example, the system package downloaded when upgrading Mac is incomplete ( or lossy) Please follow the steps below to solve the above problem. The question mark folder means that this disk does not have macOS and needs to install a macOS.
2. The MacBook air cannot be turned on because there is a system error and the system needs to be reinstalled. The steps to reinstall your Apple computer are as follows: Insert the USB boot disk into the computer, press the Option key or the Alt key to select the USB boot disk.
3. First, press the power button on the mac to shut down. When the screen does not light up, press and hold cmmand r without letting go. Then press the power button. If you want to upgrade and install, press option cmmand r. The same Versions with different effects.
4. If the system is lost or crashes and cannot be booted, a question mark will appear when the Mac cannot start any system. Installing Windows with an incorrect partition format will cause the system to be unable to boot. For example, if an MBR partition is used to install Win10 on a post-2015 model and the hard disk is damaged, resulting in no system state, the same situation will occur.
5. The display card does not work properly. If the display card does not work properly, the computer will also have a black screen. But the system will not use the small speaker to alarm at this time.
1. Boot from the MacOSX installation CD and use "Disk Utility" to repair the startup disk. Repair Disk Restart your computer in "Safe Mode," which repairs your startup disk and deletes some caches that may contain incorrect information.
2. At this time, restart again and hold down the alt key, then select the disk and wait for it to repair itself. After a while, the normal desktop will appear.
3. You can hold down COMMMAND r to enter the language selection and utility interface, erase the first main disk in Disk Utility (select Erase, Erase in the lower right corner), and then select the small icon in the upper left corner of the screen. Click "Disk Utility" next to Apple, click "Exit Disk Utility", and then select "Reinstall OSX System" to reinstall.
4. If the computer starts normally after a short delay, you may only need to Reselect the startup disk in Startup Disk preferences. It is normal to see a flashing question mark when a startup disk is not selected. In most cases, reselecting the startup disk is all that is needed to resolve the issue.
1. If such a problem occurs, it means there is a problem with the system or the hard disk volume is faulty (of course, it may also be the hard disk or the hard disk) Contact with the motherboard). It is recommended to contact the official after-sales service center, and the engineer will help check whether it is a hard disk problem or a connection problem.
2. There may be a problem with the hard disk. The specific solutions are as follows : The computer needs to select a startup disk or repair disk. If the Apple logo does not appear when starting the computer, shut down the computer by pressing and holding the power button for about 10 seconds. Then press the Option key and start the computer again.
3. Workaround: If your computer boots after a brief delay or displays a question mark on startup. Open Startup Disk preferences. If you see a white screen with the Apple logo and a process bar, it means MacOSX is checking your Hard drive. This checking process may take some time.
Conclusion: The above is a summary of the answers to the question mark file that keeps flashing on Mac that this site has compiled for you. I hope it will be helpful to you! If it is solved Please share your question with more friends who are interested in this issue~
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