Mac enters and selects system files?

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Mac dual system cannot enter the system selection interface by pressing the option key

The reason may be: the time for pressing option is too late or too short. Press and hold until the system switching screen appears when the computer is turned on. Mac dual system switching method: When the computer is turned on or restarted, press the "option" key and do not let go.

Press the power button to turn on the computer. When the boot sound comes out, press the Option key immediately when the gray-white screen appears. Do not let go until the system startup selection interface appears. Then the system selection interface will appear. Press the left and right arrow keys to select the system we need to start. After selecting, just click the left mouse button or press the Enter key to confirm.

Without entering the system, you can long press the option key when booting to select the startup disk. Just select the system you want to enter. You can download a win7 iso for mac and put it in any directory.

Wrong installation, MAC system is damaged. Reinstall your MAC.

Turn on the computer, hold down the alt key when the computer is turned on, wait for the hard disk icon to appear, and click on the Apple partition to enter. (If the computer is turned on as soon as it is turned on, this step is not required for the Apple system. Only when the Windows system is turned on, this step is required to switch the system.). After entering the Apple system, click the Apple icon in the upper left corner of the desktop.

When a Mac is installed with dual systems, sometimes pressing option when booting does not work. This may be because the RecoveryHD partition is damaged or there is something wrong with the boot system you set. The solution is: you can change the boot system.

How to choose the system for Apple notebook

Method: Restart the Apple computer first, hold down the Opiton key during the startup process, press and hold for 2~3 seconds, and wait The following interface appears on Macbook, and then you can select the system you want to boot and press Enter to enter.

How to switch systems on Apple computers Method 1: Switch directly in bootcamp Open "System Preferences" directly in the mac system (if it is a windows system, directly find the bootcamp logo in the lower right corner of the desktop to open the bootcamp control panel) Then you can select "Startup Disk" to enter.

When the Apple computer is turned on or restarted, press and hold the Opiton key (Alt key on the Windows keyboard) on the keyboard without letting go. For about 2 to 3 seconds, the startup interface will switch to the system selection interface. .

How to switch between dual systems of Apple Mac? Share the steps of switching dual systems using the Option key

1. Turn off the Apple computer first, then turn it on while holding down the alt key on the keyboard. Press and hold the keyboard alt (option) until the system selection interface appears and then release it. Then select the system you want to switch to. Click StartupDisk and select "BOOTCAMPwindows".

2. How to switch between dual systems of Apple computers. Method 1: Switch directly in bootcamp. Directly open "System Preferences" in the mac system (if it is a windows system, directly find the bootcamp logo in the lower right corner of the desktop to open bootcamp. Control Panel) and then select "Startup Disk" to enter.

3. Click the Apple icon in the upper left corner of the Apple computer desktop and wait for the sequence bar to pop up. Click System Preferences in the pop-up drop-down option and wait for the page to jump. After jumping to the page, click Startup Disk in the System Preferences page to enter.

4. Here are several methods for switching between dual systems and setting the default startup of the system. Choose to switch the system when you turn on the computer: Press the Option key (Alt key) when you turn on the computer to choose to switch the system. This method is the most commonly used method and is also the most commonly used method.

How to open Mac system files on Apple computers

1. DMG files are installation files for the Apple system and can generally only be opened under the Apple system (MAC).

2. Click Open; select the file type as "Mac (*.dmg; *.timg; *.hfs)"; select the file; complete. Use UltraISO to convert the dmg file to ISO format, and then open it with virtual optical drive software.

3. How to open dmg files on Apple computers? The specific steps are as follows: If you want to open it on a Mac, just double-click the dmg format file; then you can view or install the dmg file; however, some require a corresponding installation program to open it.

4. Press the Enter key. Wait a moment, the dmg file can be converted into an ISO file, and then use the virtual optical drive software to open the ISO file. The dmg file is an installation file for the Apple system and can generally only be opened under the Apple system (MAC).

5. You can directly double-click to open the ISO file, or use winrar, 7z and other decompression software to decompress the ISO file to a new folder. ISO files are actually image files of optical discs. Burning software can directly burn ISO files into installable system discs. ISO files generally have iso as the extension, and their file format is iso9660.

How to batch select files in Apple mac system

1. First open the folder and click to select a file. To select multiple consecutive files, press the up arrow shift key on your keyboard. Click on the next file, and multiple files between the two files will be selected. Then to select multiple non-contiguous files, press the command key on the keyboard.

2. Press command to select multiple non-contiguous files or folders. Hold down the Command key and use the mouse to click on the file or folder you want to select. Or you can press the Shift key, use the mouse to click on the first file or folder to be selected, and then click on the last file or folder.

3. Other shortcut keys for mac system are as follows: Option-mand-A, deselect all items. Shift-mand-A, open the Applications folder. mand-C, copy selected items/text to clipboard. Shift-mand-C, open the Computer window. mand-D, copy selected items.

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