Panasonic Toughbook CF-H1ADBBZCM Operating Instructions Manual page 22

Reinstalling Software
15 Turn on the computer.
If the password is requested, enter the Supervisor Password.
16 Perform the steps 3, 4 and 6 for setting up the computer (
17 Start the Setup Utility and change the settings as necessary.
18 Perform Windows Update.
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pages 14 to 16).