Sony VGN-UX490N - Manual (Page 113)

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Customizing Your VAIO Computer
Erasing the Enrolled Fingerprints
Before disposing of your computer or transferring it to a third person, it is strongly recommended you erase the fingerprint
data enrolled on the fingerprint sensor after erasing the data stored on your built-in flash memory storage.
To erase the enrolled fingerprints
1 Turn on the computer.
2 Press and hold the Fn key and press the F2 key when the VAIO logo appears.
The BIOS setup screen appears. If not, restart the computer, press and hold the Fn key, and press F2 key several times
when the VAIO logo appears.
3 Press the < or , key to select Security to display the Security tab.
4 Press the m key to select Clear Fingerprint Data and press the Enter key.
5 At the confirmation prompt, select Continue and press the Enter key.
The fingerprint data enrolled on the fingerprint sensor is erased automatically after your system restarts.