Here are some steps to identify and address potential issues when your computer does not respond to your keyboard or mouse after a driver update:

1. Verify that the keyboard and mouse are plugged into the proper ports on the computer
2. Check to see if the keyboard and mouse are being detected in Device Manager on Windows systems
3. Restart the computer
4. Run diagnostics on the computer or peripherals to detect any hardware or software issues
5. Uninstall and reinstall the drivers for the keyboard and mouse
6. Update the drivers for the computer or peripherals if available
7. Replace the keyboard and mouse if necessary