Unknown User Password - HP Compaq 6735b Maintenance And Service Manual

Unknown user password

If the computer you are servicing has an unknown user password, follow these steps to clear the
password:
NOTE:
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All passwords and all CMOS settings have been cleared.
44 Chapter 4 Removal and replacement procedures
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These steps also clear CMOS.
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.
Disconnect all external devices connected to the computer.
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.
Remove the battery (see Battery on page
Remove the real-time clock (RTC) battery (see
Wait approximately 5 minutes.
Replace the RTC battery and reassemble the computer.
Connect AC power to the computer. Do not reinsert any batteries at this time.
Turn on the computer.
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RTC battery on page 55).