How to Enable DP Alt Mode in Windows 10: A Easy Guide

DisplayPort (DP) Alt Mode allows a USB-C port to transmit video signals to external displays. If your Windows 10 device supports DP Alt Mode but isn't working, ensure your device and USB-C port support DP Alt Mode. Refer to your laptop or motherboard’s specifications.

Key Highlights: Enable DP Alt Mode in Windows 10

1. Check Compatibility: Ensure your device has a USB-C port that supports DisplayPort Alternate Mode (DP Alt Mode) and that your connected display supports USB-C video input.
2. Update Windows 10 and Drivers: Make sure your Windows 10 and drivers (especially USB and Graphics drivers) are up to date via Windows Update and Device Manager.
3. Enable DP Alt Mode in BIOS/UEFI: Check the BIOS/UEFI settings to ensure that DP Alt Mode or USB-C Video Output is enabled if available.
4. Connect Compatible Display: Use a USB-C to DisplayPort or USB-C to HDMI cable to connect your device to the monitor or projector. Adjust Display Settings in Windows 10 as needed.
5. Troubleshooting: If issues arise, check your USB-C cable, ensure display settings are correct, restart the device, or try a different monitor or cable.