2. Look for updates and security in all settings.

3. After finding the recovery program, select "Restart Now" under "Advanced Startup" to restart the computer.

4. Find the troubleshooting after restarting, and click Enter.

5. Select Advanced Settings and start Advanced Settings.

6. Select Restart, and select the last seven disabled drivers for forced signature.

These are solutions that Win 10 can't find when installing the digital signature of the printer driver, which can improve the security of the driver.