Clearing A Password - HP nc4000 - Notebook PC Maintenance And Service Manual

Product Description

1.3 Clearing a Password

If the notebook you are servicing has an unknown password,
follow these steps to clear the password. These steps also
clear CMOS:
1. Prepare the notebook for disassembly (refer to Section 5.3,
"Preparing the Notebook for Disassembly," for more
information).
2. Remove the real time clock (RTC) battery (refer to
Section 5.16, "RTC Battery").
3. Wait approximately five minutes.
4. Replace the RTC battery and reassemble the notebook.
5. Connect AC power to the notebook. Do not reinsert any
battery packs at this time.
6. Turn on the notebook.
All passwords and all CMOS settings have been cleared.
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