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

2. Find the security option and set the security boot control under the security option to disabled.

3. Find 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.

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

1. Press F8 when turning on the machine. In the pop-up menu, there is a mandatory option to disable driver signing. After selecting with the up and down keys, press Enter to confirm and enter the system.

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

3. Select "Manage Templates" in "User Configuration" in the Group Policy Editor.

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

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

6. 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.