Detailed answer to why win10 cannot reinstall win7

Many people choose to upgrade because the Win10 system has a quick startup function and the interface has the characteristics of Win8 and Win7, making it simple and easy to use. However, the automatic update function of the win10 system has disgusted many friends. They want to install win7 but there is no way. What is going on? Let’s take a look at the specific introduction.

1. When restarting the computer, keep pressing F2 to enter the BIOS, go to "Security", select Secure Boot Control and press Enter, change it to Disabled;

2. Then go to "Boot", select Launch CSM and press Enter, change it to Enabled, press F10 to save and restart;

3. Insert the U disk PE boot disk and press the restart button. ESC selects the U disk to boot, open the partition tool, and change the hard disk to MBR format.

The above is the solution to why win10 cannot be installed back to win7. I hope it can help everyone.

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