The monitor will have designated "Upstream" USB port which needs to be connected to PC & after that the other Downstream ports in the . monitor will be active for connecting other devices such as Mouse, Keyboard, USB Disk etc. If the problem is not resolved, please call LG Support representative on 1800-180 -9999 (Toll Free), Connect to us by I had connected the USB-C port to the monitor using the Thunderbolt cable that came with the monitor, but that only provided power to the MacBook but did not cause the display to work. After nearly returning the monitor, I decided to try using the USB-C cable in the box that was marked as being needed for an iPad Pro. I connected the USB-C port You can resolve this issue by clearing such Display Cache settings. Disconnect the monitor from your Surface. Search for and open the Registry Editor. Go to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\GraphicsDrivers\. Right-click on the Configuration key and select Delete > Yes. I can't get UltraGear Control center (v1.63) to work at all. The USB hub on my LG 38GN950 works fine, and I've tried multiple cables and multiple USB ports on my computer. I even tried a totally different computer. Nothing works. I tried older versions and they didn't work either. I assumed this latest version (from late Feb) would work, but no. For Owners. Discover the 28-inch 16:18 DualUp Monitor with Ergo Stand and USB Type-C™. Images may be simulated and dramatized for illustrative purposes. Actual features, functionality, and other product specifications may differ and are subject to change without notice. Prices, promotions, and availability may vary by model, store, and online. Such as the cable cheap or damaged usb-c cables can be a problem. No man. Tried 3 different USB-C cables, 3 different monitors. Chose to extend the displays in settings, where you obviously can see that it has detected the monitor. The settings for the monitor have always been switched to USB-C detection. USB Type-C - Unified Interface. LG's 27BL85U-W uses USB Type-C and is compatible with MacBook. With a single cable, you can simultaneously transfer 4K screen data and other data while charging a MacBook or other mobile device up to 60W. usb-c cable is not charging laptops, but transmits video. I've bought LG 27UD88-W recently and was going to connect it with type C cable. The seller didn't include original one and the one I was using with dell for both charging and transmitting video - didn't work with LG. It only shared video with the LG, but wasn't charging the laptop. On Amazon reviews, I see that many people have issues with LG monitors (not only this one) in terms of USB-C connection not working from start or breaking after a few months of using. I almost bought this monitor, but seeing the reviews, I hold off. Probably I'll buy Dell P3421W or Dell U3421we because of those issues. I have a MacBook Pro M1 and it works just fine 4k/60hz using the bundled USB-C cable. I have my keyboard, touchpad, ethernet, and a small USB-A hub all driven off the monitor. The speakers are laughably bad however - don't even try them. My MBP's built in speakers are leagues better. The key thing with USB-C is ensuring your cable is up to the WOQ0.