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. 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 47
).
5.
Remove the real-time clock (RTC) battery (see
RTC battery on page 78
).
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.
44 Chapter 4 Removal and replacement procedures
Содержание 8510p - Compaq Business Notebook
Страница 1: ...HP Compaq 8510w Mobile Workstation and HP Compaq 8510p Notebook PC Maintenance and Service Guide ...
Страница 4: ...iv MSG revision history ...
Страница 6: ...vi Safety warning notice ...
Страница 28: ...Computer major components 18 Chapter 3 Illustrated parts catalog ...
Страница 76: ...Reverse this procedure to install the heat sink 66 Chapter 4 Removal and replacement procedures ...
Страница 87: ...8 Remove the switch cover Reverse this procedure to install switch cover Component replacement procedures 77 ...
Страница 136: ...Where used 2 screws that secure the graphics card to the system board 126 Chapter 7 Screw listing ...
Страница 163: ...Universal Serial Bus Pin Signal 1 5 VDC 2 Data 3 Data 4 Ground Universal Serial Bus 153 ...
Страница 177: ......