HP ProCurve Switch 6120G/XG Manual page 69

Configuring Username and Password Security
Front-Panel Security
2-26
2. While holding the Reset button, press and hold the Clear button for five
seconds.
Clear
3. Release the Reset button.
Clear
4. If the Clear button is held for greater then 2.5 seconds, configuration will
be cleared, and the switch will reboot. It can take approximately 20-25
seconds for the switch to reboot. This process restores the switch config-
uration to the factory default settings.
.
Clear
Reset
Reset
Reset