Laptop black screen won't turn off

- Dell laptop black screen won t turn off
- Lenovo laptop black screen won t turn off
- Hp laptop black screen won t turn off
- Asus laptop black screen won t turn off
- Laptop stuck on black screen won t turn off
- Laptop screen black but won t turn off
- My laptop has a black screen and won t turn off
- Laptop screen is black
- Laptop screen not working