- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Drivers and downloads
- BIOS Setup
- Troubleshooting
- Handling swollen rechargeable Li-ion batteries
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- Built-in self-test (BIST)
- System diagnostic lights
- Real-Time Clock (RTC Reset)
- Recovering the operating system
- Backup media and recovery options
- Wi-Fi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell Technologies
XPS 17 9720 Service Manual
Clearing CMOS settings
About this task
CAUTION:Clearing CMOS settings will reset the BIOS settings on your computer.
Steps
- Remove the base cover.
- Disconnect the battery cable from the system board.
- Wait for one minute.
- Connect the battery cable to the system board.
- Replace the base cover.
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