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If there is a system problem, you can try this method: Method to reset PRAM. Immediately after pressing the power button, press and hold the following keys simultaneously: Command-Option-P-R until you hear the second startup sound.
When cleaning, you must first turn on the phone, then press and hold the four keys "Apple+Option+P+R" and let go after hearing 4 startup sounds. The four beeps indicate that the PRAM has been cleaned three times, which is cleaner. Reset SMC Shut down the computer. Connect the power adapter to the power source and Mac.
Press and hold the shortcut key composed of mand+Option+Shift+Ecs keys at the same time, press it for 23 seconds, and you will find that the windows on the interface are closed one by one. 3. Choose to quit the app by force quitting the app. To force quit all interfaces to activate the software, press and hold mand+Option+Ecs or select Force Quit from the Apple menu at the top of the interface.
What should I do if my Apple laptop won't turn on? What else can I point out? Press mand+option+R+P (clear EFI), then press the power button in the upper right corner and release P after hearing a sound. Enter recovery, then wipe the disk and try reinstalling.
For example, if a problem occurs during software or system update, the system cannot be booted into the system normally. You can try resetting your System Management Controller (SMC) to see if it is a system problem. Reset SMC: Shut down and connect the power supply, press the Shift-Control-Option key and the power key at the same time, release all keys, and turn on the computer.
System problems, such as problems during software or system updates and the inability to boot into the system normally. You can try resetting your System Management Controller (SMC) to see if it is a system problem.
First try to charge the laptop for a period of time to ensure that it is not insufficient power that prevents it from turning on. If that doesn't work, try resetting the SMC. Keep charging, press and hold "Shift+Control+Option+Power key" for 10 seconds, release the keys, and then use the power key to turn on the phone. This should solve the problem.
After re-plugging the power, press the power button again. If it still cannot turn on, press it for a while. If you can turn it on by using someone else's power supply, there is a problem with the power supply. If it turns out that there is no problem with the power supply, it may be a hardware problem. Go to step five.
The reason why the Apple computer cannot be turned on: power supply problem. If it is an external power supply, first check whether the power supply is plugged in properly or there is a problem with the plug. If you are using a battery, the laptop may not have enough power. As long as you charge it more before use, this problem will be solved.
The reason why the Apple laptop cannot be turned on may be that the computer is out of power, internal parts are scattered, or the hardware is damaged. The solution is as follows: Connect the power supply. It may be that the computer is out of power. Connect the power cord and charge it for a while.
When the computer freezes, cannot be turned on, and there is no response, you can try to press and hold the power button and the home button at the same time. more than 10 seconds. See if you can force a restart. 2. If the forced restart is successful, you will see an Apple logo on the screen.
Take the Apple MacBook Pro and macOS Monterey systems as examples. The method of restarting the computer after it crashes is as follows: Normal restart: You can press and hold the power button to force the computer to shut down, and then press and hold the power button to turn it on; you can also press and hold it at the same time. Command+control+power key, hold for a period of time to restart the computer.
, when the computer freezes, cannot be turned on, and there is no response, you can try to press and hold the power and home buttons at the same time for more than 10 seconds. See if you can force a restart. 2. If the forced restart is successful, you will see an Apple logo on the screen.
There are two ways to restart an Apple computer: click the Apple icon in the upper left corner and select "Restart". Press and hold the power button: Press and hold the power button on the top of the Apple notebook for about 5 seconds until the screen turns off, then release the power button and press the power button again.
1. When the computer crashes, cannot be turned on, and there is no response, you can try to press and hold the power and home button at the same time. more than 10 seconds. See if you can force a restart. 2. If the forced restart is successful, you will see an Apple logo on the screen.
2. Restart the computer. If the computer freezes, you can try to hold down the power button for about 10 seconds until the computer shuts down. Then press the power button to turn on the computer and see if it can start normally. Check the program If your computer freezes while running a program, there may be a problem with the program itself.
3. Reset SMC: Turn off the computer, connect the power adapter, and press the (left) Shift+Control+Option + power button. Note: You must use the keys on the left side of the MacBook Air keyboard.
4. Try a force restart: Press Command + Control + Power key until you see the screen go black and then light up again. Reboot into Safe Mode: Force shut down your Mac, then press the Power key, then press and hold the Shift key until the Apple logo appears.
5. If your Mac computer crashes, you can restart it by pressing the key combination. Press and hold the Shift+control+option keys on the laptop keyboard at the same time, then press and hold the power button in the upper right corner until the laptop goes black and displays the Apple logo, then release it.
1. Force quit the program: Sometimes, being stuck in a certain program or process will also cause the Apple notebook to fail to boot normally. At this point, you can try to open the "Force Quit" window through the key combination (Command + Option + Esc) to close the problematic program and restart the computer.
2. Press and hold the power button to force shutdown, and keep pressing the F8 key when turning on the computer. If a menu with white characters on a black background appears after you keep pressing it, it means that the system is not in serious trouble. Enter the safe mode of the system, then perform anti-virus and repair missing system files.
3. The Apple computer cannot be turned on by pressing and holding the power button for 5 to 8 seconds until it turns on, forcing it to turn on and off. Mac uses an independent MacOS system. It is Apple's second computer to use a graphical user interface after LISA. It is also the first computer product to widely apply graphical user interface to personal computers.
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