HP 7200 HP Pavilion dv4000 Notebook PCs, Compaq Presario V4000 Notebook PCs, a - Page 11

Resetting the Computer

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Product Description 1.2 Resetting the Computer If the computer you are servicing has an unknown password, follow these steps to clear the password. These steps also clear CMOS: 1. Prepare the computer for disassembly (refer to Section 5.3, "Preparing the Computer for Disassembly," for more information). 2. Remove the real-time clock (RTC) battery (refer to Section 5.9, "RTC Battery," for more information on removing and replacing the RTC battery). 3. Wait approximately 5 minutes. 4. Replace the RTC battery and reassemble the computer. 5. Connect AC power to the computer. Do not reinsert any battery packs at this time. 6. Turn on the computer. All passwords and all CMOS settings have been cleared. ✎ This procedure does not clear a DriveLock password that has been set. Maintenance and Service Guide 1-5

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Product Description
Maintenance and Service Guide
1–5
1.2
Resetting the Computer
If the computer you are servicing has an unknown password,
follow these steps to clear the password. These steps also
clear CMOS:
1. Prepare the computer for disassembly (refer to
Section 5.3,
“Preparing the Computer for Disassembly,”
for more
information).
2. Remove the real-time clock (RTC) battery (refer to
Section 5.9, “RTC Battery,”
for more information on
removing and replacing the RTC battery).
3. Wait approximately 5 minutes.
4. Replace the RTC battery and reassemble the computer.
5. Connect AC power to the computer. Do not reinsert any
battery packs at this time.
6. Turn on the computer.
All passwords and all CMOS settings have been cleared.
✎
This procedure does not clear a DriveLock password that has
been set.