HP Compaq nc6220 and nc6230 Notebook PC - Maintenance and Service Guide
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Replace the RTC battery and reassemble the computer. 5. Connect AC power to clear the password. Prepare the computer for disassembly (refer to Section 6.24, "System Board," for more information ... the computer. Remove the real-time clock (RTC) battery (refer to Section 6.3, "Preparing the Computer for Disassembly," for more information). 2. Turn on removing and replacing the RTC battery). 3. Do not reinsert any battery packs at this time. 6. These steps also clear CMOS: 1. All passwords and all CMOS settings have been cleared. 1-4 Maintenance and Service Guide...
Replace the RTC battery and reassemble the computer. 5. Connect AC power to clear the password. Prepare the computer for disassembly (refer to Section 6.24, "System Board," for more information ... the computer. Remove the real-time clock (RTC) battery (refer to Section 6.3, "Preparing the Computer for Disassembly," for more information). 2. Turn on removing and replacing the RTC battery). 3. Do not reinsert any battery packs at this time. 6. These steps also clear CMOS: 1. All passwords and all CMOS settings have been cleared. 1-4 Maintenance and Service Guide...