- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Device drivers
- System setup
- Troubleshooting
- Handling swollen Lithium-ion batteries
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- System-diagnostic lights
- Recovering the operating system
- Updating the BIOS using the USB drive in Windows
- Updating the BIOS in Windows
- Enabling Intel Optane memory
- Disabling Intel Optane memory
- WiFi power cycle
- Flea power release
Inspiron 7391 2n1 Service Manual
Deleting or changing an existing system/admin password
To enter the
System Setup, press F2 immediately after a power-on or reboot.
- In the System BIOS or System Setup screen, select Passwords on the left pane.
The Passwords screen is displayed.
- Select System Password, alter or delete the existing system password and press Enter.
- Select Admin Password, alter or delete the existing setup password and press Enter.
NOTE If you change the System and/or Admin password, re-enter the new password when prompted. If you delete the System and/or Setup password, confirm the deletion when prompted.
- Press Esc and a message prompts you to save the changes.
- Press Y to save the changes and exit from
System Setup.
The computer reboot.
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