United States
Maintenance and Service Guide
Compaq Presario 7400 Series Computers
MSG index Product Description Troubleshooting Illustrated Parts Catalog
Home Removal & Replacement Jumper & Switch Information Specifications
Troubleshooting
Clearing CMOS
Power-On Self Test
(POST)
Configuration
Diagnostics Software
Troubleshooting
without diagnostics
TROUBLESHOOTING
Clearing CMOS
CMOS jumper location
1
Complete the
preparation for disassembly.
2
Remove the chassis.
3
Remove the fax/modem board.
4
Remove the PCI bracket.
5
To clear the CMOS: move the jumper (JP3) pins to
the 2-3 position for 10 seconds. To return to
normal operation, move the pins back to the 1-2
position.
6
Replace the system board bracket
and perform the desired troubleshooting.
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