How to Connect a Windows Laptop to an External Monitor (HDMI)

Updated July 2, 2026 · ConnectWizard

To connect a Windows laptop to an external monitor, plug an HDMI cable from the laptop's HDMI port into the monitor, then press Win+P to choose how the screen appears. Most Windows laptops have a full-size HDMI port, making this a direct plug-and-play connection.

Connection Methods

HDMI Cable 🔌 Wired

Connect an HDMI cable from the laptop to the monitor.
Power on the monitor and select the HDMI input.
Press Win+P on your keyboard.
Choose Duplicate, Extend, or Second screen only.

Parts you may need

🛒 HDMI Cable (6ft)

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Pro Tips

'Extend' gives you more desktop space across both screens.
If no signal, confirm the monitor's input source matches the cable.
Update graphics drivers if the resolution looks wrong.

Frequently Asked Questions

How do I use a second monitor with my laptop?

Connect via HDMI, press Win+P, and select 'Extend' to use it as additional screen space.

Why is my external monitor not detected?

Press Win+P and pick a display mode, confirm the monitor input source, and check the cable. Updating graphics drivers often fixes detection.