Quick answer:
"Display connection might be limited" means your USB-C port lacks DisplayPort Alt Mode or Thunderbolt
Must plug into GPU, not motherboard USB-C ports
Look for ⚡ or DisplayPort logos next to compatible ports
Check PC specs for DisplayPort Alt Mode or Thunderbolt support
Some Dell/Alienware desktops have incompatible USB-C ports
🔌 What Does This Error Mean?
If you see a message like this when plugging your USB-C Luna into a Windows PC, your USB-C port may not be compatible with Luna Display.
"Display connection might be limited"
Make sure the DisplayPort device you're connecting to is supported by your PC.
Select this message when it appears for more troubleshooting info available on your Windows PC.
Note: USB-C ports on motherboards are not compatible with Luna Display. Luna Display must be plugged directly into the GPU.
⚠️ What This Means
This message appears when Luna is plugged into a USB-C port that doesn't support DisplayPort Alternate Mode or Thunderbolt. Luna requires a USB-C port that supports one of these display modes to function properly. Standard USB-C data-only ports won't work.
🔍 How to Check if Your Port Works with Luna
Look for a Thunderbolt ⚡ or DisplayPort logo next to the port on your PC.
Refer to your PC's specs to see if it supports DisplayPort Alt Mode or Thunderbolt over USB-C.
For more details, see our guide on how to choose the right Luna unit →
❌ Examples of Incompatible Ports
Some Dell/Alienware desktops have USB-C ports that don't support video output. See a list of examples here →
💡 Important Tips
Plug Luna into a USB-C port connected to your GPU for best performance.
USB-C ports on motherboards are not compatible with Luna Display.
📚 More Help
For more on this Windows USB-C notification, check out Microsoft's support article →