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If the win7 system crashes, you need to reinstall it. If you have installed the win7 system before, you have made a boot camp boot USB flash drive, then boot and press and hold"option/alt"key, until the mouse appears, it will list all the media with boot, and then select the U disk, and reinstall the system according to the prompts, otherwise, you need to make a boot camp boot U disk to achieve win7 system installation, the specific method can refer to the following steps:
1. Run the Boot Camp Assistant on Mac OS, and in the selection task interface, tick the option "From Apple **Latest Windows Support Software". In this way, the system can be automatically driven to a USB stick according to the configuration of the current computer. Also, insert the USB flash drive into your Mac computer.
2. Then in the interface of making a bootable USB flash drive system installation disk, click the "Select" button. Select the Win7 iOS image file you want to install, and then you will see that the files required for installing Windows are being copied to the USB flash drive.
3. After the copy is completed, the system will automatically restart, and then enter the Windows system installation boot, and follow the prompts to install.
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There are two conditions for recovering the system from Time Machine:
1. Before the problem, make a backup of the Mac OS system with Time Machine.
2. The current Mac system can enter the recovery disk mode. 、
When starting up your Mac, press the Option key and select Start from Recovery Disk. Of course, you can also press the Command+R key all the time when booting up, and you can really enter the recovery disk mode.
At this point, you can insert the Time Machine device that you have backed up on other storage devices before here Backup to a portable hard drive as an example, and click the "Continue" button.
The computer will automatically find our backup file, click the "Continue" button, then you will see the date of the backup file, select one and click the "Continue" button.
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Generally, it is difficult to repair, it is recommended to reinstall the system, which saves more time, and the problem is not easy, hopefully.
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**Or not** install the system, restore the system, reset the error can not turn on the machine, the road is a disc or a USB flash drive with a boot system to reinstall the operating system, you can't install it yourself, it is recommended to spend 30 yuan to let the maintenance help you install.
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You've installed win7.,**What about the Apple system? If you want to repair the computer's reinstallation system, you need to buy a CD to install it.
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There are two conditions for recovering the system from Time Machine:
1. Before the problem, make a backup of the Mac OS system with Time Machine.
2. The current Mac system can enter the recovery disk mode. 、
When booting up the Min Yuan J Mac computer, press the Option key and select Boot from Recovery Disk. Of course, you can also press the Command+R key all the time when booting up, and you can really enter the recovery disk mode.
At this point, plug in the backup of your Time Machine device that was previously backed up on other storage devices and click the "Continue" button.
The computer will automatically find our backup file, click the "Continue" button, then you will see the date of the backup file, select one and click the "Continue" button.
-
There are two conditions for recovering the system from Time Machine:
1. Before the problem, make a backup of the Mac OS system with Time Machine.
2. The current Mac system can enter the recovery disk mode. 、
When booting up the Min Yuan J Mac computer, press the Option key and select Boot from Recovery Disk. Of course, you can also press the Command+R key all the time when booting up, and you can really enter the recovery disk mode.
At this point, plug in the backup of your Time Machine device that was previously backed up on other storage devices and click the "Continue" button.
The computer will automatically find our backup file, click the "Continue" button, then you will see the date of the backup file, select one and click the "Continue" button.
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