How to turn off laptop screen and use external monitor

- How to turn off laptop screen when using external monitor
- How to turn off laptop screen when using external monitor windows 11
- How to turn off laptop screen while using external monitor
- How to turn off laptop screen when using external monitor windows 10
- How to turn off laptop screen when using external monitor mac
- How to auto turn off laptop screen while using external monitor
- How to turn off dell laptop screen when using external monitor
- How to turn off laptop screen and only use external monitor
- How to turn off laptop screen when using 2 external monitors
- How to turn off laptop screen when using two external monitors
- How to connect laptop screen to another laptop