Compaq Presario Series Maintenance And Service Manual page 152

COMPAQ
Product Description
Home Removal & Replacement
TROUBLESHOOTING
Clearing CMOS
Clearing CMOS
Power-On Self
Test (POST)
If the power-on password is unknown, clearing CMOS will disable the password and allow the computer to be
operated.
Configuration
The location of the Real-time Clock (RTC) battery is shown on the system board illustration below.
Diagnostic error
codes
Troubleshooting
without
diagnostics
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Maintenance and Service Guide
Compaq Presario EZ2000 Series Computers
Troubleshooting
Jumper & Switch Information
Illustrated Parts Catalog
Specifications
1 Complete the preparation for
disassembly.
2 Remove the Left Side Easy access
panel .
3 Remove the drive cage.
4 To disable the password, move the
jumper (JP1) from pins 1-2 (normal)
to pins 2-3 (clear CMOS) for 10
seconds, then return to pins 1-2.
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