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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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