Hello Kenton Khor,
Thanks for reaching Microsoft Community.
In this case, we suggest to try these methods and see if it fixes the issue:
- Force a shut down and restart your Surface. It resets the hardware and clears all the cache and memory for your hardware.
- Run Surface Diagnostic Toolkit and check for Windows Update. Make sure to check View Optional features and select all necessary updates for your device. Restart the Surface after installing updates.
- Manually install drivers and firmware Check what is the current OS Build of your Windows version by typing winveron the search barnear the Windows logo. Go to Download driver and firmware for Surface**,**choose (your Surface model) then click Download.
Choose the .msi file that matches or nearest to your current OS Build and click Next.
After downloading, run and install the .msi then Restart. - Run System File Checker in Windows 10.
- See Troubleshoot connecting Surface to a second screen for more troubleshooting guide.
Feel free to respond on this thread to let us know how it goes.