- Notes, cautions, and warnings
- Setting up your computer
- About your computer
- Using your computer
- Ports and connectors
- Software and Applications
- Restoring your operating system
- Troubleshooting
- BIOS
- Getting help and contacting Dell
- References
Laptops—Bottom of the laptop under system badge, or in battery bay
Desktops—Back or top of the computer chassis
Tablets—Back or bottom of the tablet