United States December 31, 2002
Maintenance and Service Guide
Compaq Presario 7300 Series Computers
Product Description Troubleshooting
Illustrated Parts
Catalog
Home
Removal &
Replacement
Jumper & Switch
Information
Specifications
Clearing CMOS
Power-On Self
Test (POST)
Configuration
Diagnostic error
codes
Troubleshooting
without
diagnostics
TROUBLESHOOTING
Clearing CMOS
If the power-on password is unknown, clearing CMOS will disable the
password and allow the computer to be operated.
The location of the Real-time Clock (RTC) battery is shown on the system
board illustration below.
1
Complete the
preparation for
disassembly.
2
Remove the chassis cover .
3
Remove the fax/modem board.
4
Remove the system board.
5
Remove the RTC battery.
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