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Maintenance and Service Guide
Compaq Presario 5300 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

For models 5330, 5333, 5340, 5345, 5346, 5360, 5363, 5365

Back to main page for other models.

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CMOS jumper location

1 Complete the preparation for disassembly.
2 Remove the chassis.
3 Remove the fax/modem board.
NOTE If your board is different from the one shown, click links to see two alternative boards for other models.
4 To clear CMOS the jumper bub1.gif (838 bytes) (JP4) should be placed on pins 1-2 for ten (10) seconds. To return to normal operation, place the jumper on pins 2-3.
5

Replace the system board bracket and perform the desired troubleshooting.

 

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