Smartphones
How do I use Samsung DeX with a monitor?
Quick answer
Connect your DeX-capable Samsung device to a monitor using a USB-C to HDMI cable or a compatible hub, then start Samsung DeX from the notification prompt on your device.
Samsung DeX allows you to use your Galaxy device as a desktop-like experience on an external monitor. A wired connection is the most reliable method, though wireless options are available for compatible devices.
Steps
- 1
Choose the right cable or hub
Select a USB-C to HDMI cable or a USB-C hub with HDMI output that supports video transmission. Avoid charge-only cables.
- 2
Connect your device to the monitor
Plug the cable into your Samsung device and the monitor. If using a hub, connect the hub to the monitor and your device.
- 3
Start Samsung DeX
Unlock your device and look for the DeX notification. Tap it to start DeX mode. Alternatively, go to Settings > Samsung DeX to manually start it.
- 4
Adjust display settings
In DeX mode, access settings to adjust resolution and screen options. Ensure the monitor is set to the correct input source.
Requirements
Ensure you have a Samsung device that supports DeX, such as recent Galaxy S, Note, or Tab models. You'll need a monitor with HDMI or USB-C input and a cable or hub that supports video output.
Connection Methods
Wired connections provide the best performance. Use a USB-C to HDMI cable or a USB-C hub with HDMI output. Wireless DeX is available on compatible smart TVs or via the DeX app on Windows PCs.
Watch out for
- Not all Samsung devices support DeX; check your device's specifications.
- Some apps may not fully support DeX mode and could display in a smaller window.
FAQ
Why is my monitor not displaying anything?
Ensure the cable supports video output and the monitor is set to the correct input source. Try a different cable or port if necessary.
Can I use DeX wirelessly?
Yes, if you have a compatible smart TV or use the DeX app on a Windows PC. Ensure both devices are on the same Wi-Fi network.