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Maintenance and Service Guide
Compaq Presario
7500 Series Computers

MSG index 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

Clrcmos.jpg (81443 bytes)

CMOS jumper location

1 Complete the preparation for disassembly.
2 Remove the chassis.
3 Remove the fax/modem board.
4 Open the system board bracket.
5 To clear CMOS the jumper (JP3), move  pins to 2-3 position for ten (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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