HP 2533t Wartungshandbuch PDF herunterladen (Seite 36)

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.

1. Shut down the computer.

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 30).

5. Remove the real-time clock (RTC) battery (see

RTC battery on page 46).

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.

28 Chapter 4 Removal and replacement procedures

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HP 2533t Wartungshandbuch Seite 36