Clear the Secure Boot Key, and select the 'Install the default key' option:
- Turn on the computer.
- When you see the Panasonic logo screen, press F2.
- Use the direction keys [←] [→] to select the Security menu.
- Select the Secure Boot menu with the direction keys [↓] [↑], and then press Enter.
- Use the direction keys [↓] [↑] to select the Clear Secure Boot Key.
- Press Enter and clear the secure boot key. You see the following two items:
- Install the default key
- Install the default key (for Device Guard)
- Use the direction keys [↓] [↑] to select Install default key, and then press Enter.
- Install the Secure Boot Key.
- Save the settings.
- Press F10, and then with the cursor on Yes, press Enter.
- Restart the computer.
