How to use Samsung DeX features and fix issues?
Last Update date : Apr 22. 2026
Samsung DeX lets you use your Galaxy like a PC with keyboard and shortcuts. You can change language settings, use shortcuts, and resolve common display issues.
How to change or add a keyboard language
You can change or add languages to the keyboard connected to your mobile device. To do so, follow these steps:
1
Run your settings menu and tap the “General management” option.
2
Click on the “Samsung keyboard” and go to “Languages and types”.
3
On the next screen tap “Manage input languages” and add an input language.
4
To choose the input language that you just added, go to the “General management” option.
5
Tap “Physical keyboard” and choose the input language that you just added.
6
Once you select the language, you will see the keyboard layouts supported by Android OS. Select the layout of the keyboard hardware that you use.
If you want to change your language using a shortcut, you can change the input language using a keyboard shortcut such as [Shift]+[Space], [Control]+[Space] or [Left Alt] +[Shift].
To turn certain keyboard shortcuts on or off, select “Change language shortcut” in the physical keyboard's settings.
How to use keyboard shortcuts
1
Run your “Settings” menu and go to “General management”.
2
Tap “Physical keyboard” and click on “Keyboard shortcuts”.
Note: Press F1 or Windows/Command/Search + / to view supported shortcuts.
What to do if apps show a black screen
1
Connect your device to an external display using a cable.
2
Open the app again to display content normally.
How to use keyboard or mouse for games
1
Check if the game supports keyboard and mouse input.
2
Contact the app developer if needed.
Note: Some apps may show a black screen due to security restrictions.
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