MAC boot stop responding and flashing question mark how to do

When we turn on the MAC, we sometimes find that our computer will stop responding, and a flashing question mark appears. In the face of this problem, how can we solve it? Today Xiaobian brings relevant solutions, I believe will help you solve your problems, let's take a look at it with Xiaobian. Solution: If your computer starts after a short delay or displays a question mark at startup. 1. Open “Startup Disk" Preferences 2. If you see the Apple logo and progress bar on the white screen, Mac OS X is checking your hard drive. This inspection process may take some time. 3. If the Apple logo is not displayed when you start your computer, turn off the computer by pressing the power button for about 10 seconds. Then press the Option key and start the computer again. Hold down the Option key until the screen displays one or more disk icons. Then select one of the disks. After starting the computer, select the Apple menu "“System Preferences", then click “Start Disk” and select a disk. Boot from the Mac OS X installation CD and use “Disk Utility” to repair the boot disk. Repairing the Disk 1. Restart your computer in “Safe Mode”, which will repair your boot disk and remove some caches that may contain error messages. 2. If your computer is successfully restarted in “Safe Mode”, please select the Apple menu “Restart” to restart normally. Booting in Safe Mode 1. Disconnect all peripheral devices, including FireWire and USB devices. Connect your Apple keyboard and mouse to the USB port. Do not use a hub or extension cord. 3. If you can use your computer now, there may be a problem with one of the other devices. Try reconnecting your other devices to your computer one by one. Once you have found the device that is causing the problem, review the device's documentation for troubleshooting steps. 4. Uninstall all third-party hardware upgrades, such as random access memory (RAM) modules, PCI cards, and ExpressCard/34 cards. 5. If you can use your computer now, there may be a problem with one of the upgrade hardware. Try to reinstall the upgrade one by one to your computer. Once you have identified the upgrade that caused the problem, review its documentation for further troubleshooting steps or contact the manufacturer. 6. Start your computer with the Mac OS X installation disk and reinstall Mac OS X. The above is the solution to the MAC boot stop response and a flashing question mark appears. Of course, if your computer can't enter the system and there is a flashing question mark, you can try this method. This article comes from [System Home] www.xp85.com