Service Manual
Table Of Contents
- Inspiron 7415 2-in-1 Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- Device drivers
- System setup
- Troubleshooting
- SupportAssist diagnostics
- Locate the Service Tag or Express Service Code of your Dell computer
- System diagnostic lights
- Built-in self-test (BIST)
- Recovering the operating system
- Flashing the BIOS
- Flashing BIOS (USB key)
- Backup media and recovery options
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
Clearing CMOS settings
About this task
CAUTION: Clearing CMOS settings will reset the BIOS settings on your computer.
Steps
1. Turn off your computer.
2. Remove the base cover.
NOTE: The battery must be disconnected from the system board (see step 4 in Removing the base cover).
3. Press and hold the power button for 15 seconds to drain the flea power.
4. Before you turn on your computer, follow the steps in Installing the base cover.
5. Turn on your computer.
Clearing BIOS (System Setup) and System passwords
About this task
To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell.
NOTE:
For information on how to reset Windows or application passwords, refer to the documentation accompanying
Windows or your application.
System setup 67