1

Press f2 to enter the bios, and other brands of computers can press del, f 1, f 12 to enter the bios. Please study for yourself.

2

Locate the security option and set the security boot control under the security option to disabled.

three

Locate the boot option and set the startup csm to enble. Press f 10 to save and exit. Pay attention to the step-by-step operation, first change to safe start, otherwise start csm is grayed out and cannot be selected.

end

If it appears during system operation, please follow the following steps.

1

Press F8 when you turn it on, and? Disable the driver signature enforcement option, use the up and down keys to select it, and then press Enter to confirm and enter the system.

2

Click "Start"-Run, enter gpedit.msc, and click "OK".

three

Select Manage Templates in User Configuration of Group Policy Editor.

four

Then click "System" in the management template to open it.

five

Find "Driver Installation" in the system, and then click "Device Driven code signing" on the right.

six

In the Device Driver code signing window, select Enable, and then you can select Ignore below and click OK. In this way, we have disabled driver signature enforcement.