HP Pavilion DV3Z-1000 Technical Information download pdf (Page 37)

Unknown user password

If the computer you are servicing has an unknown user password, follow these steps to clear the

password.

NOTE: These steps also clear CMOS.

Before disassembling the computer, follow these steps:

1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the

computer on, and then shut it down through the operating system.

2. Disconnect all external devices connected to the computer.

3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and

then unplugging the AC adapter from the computer.

4. Remove the battery (see

Battery on page 32).

5. Remove the RTC battery (see

RTC battery on page 57).

6. Wait approximately 5 minutes.

7. Replace the RTC battery and reassemble the computer.

8. Connect AC power to the computer. Do not reinsert any batteries at this time.

9. Turn on the computer.

All passwords and all CMOS settings have been cleared.

Preliminary replacement requirements 29

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HP Pavilion DV3Z-1000 Technical Information Page 37