Reprinted connection
https://jingyan.baidu.com/article/f7ff0bfcd752eb2e26bb132e.html
https://jingyan.baidu.com/article/a3aad71ac5919bb1fa009667.html
The computer can open
Step one: Open Computer Control Panel and select Power Options in hardware and open voice
Step two: Open the Power button to select a function, then click the Change function is currently unavailable, will start the following check box before removing the Quick Launch, click Save Changes
The third step: Open a command prompt as administrator, type bcdedit / set {default} bootmenupolicy legacy command, and then hit enter, to see if the operation is successful completion of the word, is set up, press F8 to open up at boot safe mode
The computer can not open
In the case of the computer can not be switched, F8 does not work, can not enter the system
The first step: the computer turned off, press the power button to boot, wait until the logo (below), this time to press the power button forced shutdown
Step two: re-boot, appeared logo, forced forced off again, repeated three times until the "Preparing Auto Repair", as shown below:
The third step: The system will being diagnosed, wait a minute, until the "Auto Repair Interface" click on "Advanced Options" and then clicking troubleshooter, click the Advanced tab, then click the startup settings, and click restart.
Step four: Restart the computer screen appears under the map, click on the 4 to enter safe mode
