Question about HP Compaq nc4400 Notebook

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I dont remember power on password for hp nc4400

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The power-on password prevents use of the computer until the password is entered. The
setup password prevents unauthorized changes to Computer Setup. To clear the
passwords, you must remove all power from the system board. If you do not know the
passwords, use the following procedure to clear the password:
1. Remove all battery packs.
2. Disconnect the AC power.
3. Remove the real-time clock battery.
4. Wait thirty minutes.
5. Reconnect the AC power. DO NOT INSTALL THE BATTERY!
6. Restart the computer. During Power-On Self Test (POST), a ? 162 System Options
not set? message appears.
7. Shut down the computer, then disconnect AC power again.
8. Replace the real-time clock battery.
9. Install the battery pack(s).
10. Reconnect the AC power.
11. Start the computer.
12.It should work....

Posted on Apr 08, 2011

  • Curt C4 Dec 09, 2011

    HP Compaq nc4400
    Thank you very much! worked perfect. The hard part was getting to the clock battery which required the whole laptop to be completely disassembled to get at the bottom of the motherboard where the clock battery was located.

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http://bizsupport1.austin.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01884372&printver=true




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