Operating System: Microsoft Windows 10 (64-bit) HP Elitebook 845 G7. Windows 10. I cannot get the laptop to detect the external monitor. I have an older Dell laptop so am able to test that the USB-C to DP and HDMI to VGA cables both work. I understand that USB-C to VGA may require an adapter, but don't have one at the moment. Display Port on LG 27GL850-B not working. Troubleshooting. I just bought my first proper "gaming" monitor but the DisplayPort doesn't work. I made sure that everything was properly connected, I downloaded the drivers and the OnScreen Control app but my computer still didn't detect the monitor. So after almost 2 hours of troubleshooting I Right-click each hub, click Properties on the drop-down list then click the Power Management Tab. Uncheck the box "Allow the computer to turn off this device to save power. (repeat on all USB Root Hubs) ( Figure 3) Reboot the computer and see is the USB ports on the Display now work. Figure 3: USB Root Hub Properties. LG GN950-B has same Unknown USB Device Problem as passed models. Tried installing the UltraGear Control Center only to get issues with the USB being detected. This problem appears to be ubiquitous across older models, begs the question, how did it land in their latest line? 1. Go to topic listing Displays. Hi! I recently bought the LG 34UC88, and what a great monitor. But today i am experiencing trouble with the usb hub function. I have connected my macbook pro with a hdmi cable, and a usb type a/b cable for the usb hub function to work. The problem is that usb ports on my monitor does detect compu Posted July 21, 2021. @KhaderKh Nope. it's outputting 5V at 0.9A aka 4.5W - most never phone chargers output 5v at 3A aka 15W. Your motherboard on the other hand may have this feature, when using the ports on the back on the I/O shield. CPU: Ryzen 5800X3D | Motherboard: Gigabyte B550 Elite V2 | RAM: G.Skill Aegis 2x16gb 3200 | PSU: EVGA On my 27GN950 the USB Hub stopped working. I can hear a high pitched noise, similar to coil whine, if the USB-B to USB-A cable is connected. The coil whine noise was present from the start but now the PC doesn't recognize the monitor's USB hub at all. r/Monitors. Dec 4, 2020. #1. Hi all, I recently upgraded to a 3070. I uninstalled my 1070 drivers, shut down, plugged in the new 3070 and booted windows. When I first plugged it in with the displayport it was working, booted up and went into windows. I installed the drivers through Geforce experience and when it was completed the screen went black. 2 - Open Nvidia Control Panel, select "Configure Surround, PhysX", make sure "Span displays with Surround" is checked and click configure, then click the Enable Surround button in the new window. 3 - Your Thunderbolt monitors should be active but displaying as a combined single monitor. Close the "Nvidia Set UP Surround" window with the X at jy6afT.

lg monitor usb ports not working