Lenovo laptop screen turn off

- Dell laptop touch screen turn off
- Lenovo laptop black screen won't turn off
- Dell laptop black screen won't turn off
- Lenovo yoga laptop turn off touch screen
- Dell laptop screen turn off
- Lenovo touch screen laptop turn off
- Lenovo laptop screen black won't turn off
- Lenovo laptop black screen can't turn off
- Dell laptop screen frozen and won't turn off
- Dell laptop turn off screen lock