Question Unable to Connect External Monitor via USB-C on Lenovo Legion 5 (15ARH05H)

[AlexGrama7]

I have a Lenovo Legion 5 (15ARH05H) equipped with a Ryzen 7 4800H and GTX 1660 Ti. I am attempting to connect a 24-inch HP monitor as a secondary display via the USB-C port, while my primary monitor (32" Odyssey G6) is connected via HDMI. The manual confirms the laptop supports two external monitors this way, but I'm encountering issues with the USB-C connection.

Here are the steps I've taken:

1. Cables/Adapters Used:
   • USB-C to HDMI Cable (VENTION 1.5m Type C Converter)
   • UGREEN 7-in-1 USB C Hub with a regular HDMI cable
   • DP 1.4 to USB-C cable and DP 1.2 to USB-C cable
2. Laptop Reactions:
   • Upon connecting, I hear the device connection sound, but no display appears.
   • The laptop does not recognize the monitor in display settings.
3. Driver and Settings Update:
   • Updated IO drivers and disabled Hybrid mode in Lenovo Vantage to ensure the GPU is fully utilized.
4. Testing with Another Laptop:
   • Connected both monitors to my HP Elitebook 840 G5 (work laptop) successfully using a USB-C to DP 1.4 and HDMI to HDMI connections.
5. Error Message Post Windows 11 Install on the Legion 5:
   • Received an error: "Display connection might be limited."
   • The manual specifies the USB-C port supports DP 1.2 only, hence tried a USB-C to DP 1.2 cable, but the problem persisted.
6. Monitor Reaction:
   • The monitor indicates a connection (PC - DP Port) but displays no image.

I'm seeking assistance on how to resolve this issue and successfully connect my HP monitor via USB-C on my Legion 5. Any insights or troubleshooting steps would be highly appreciated. Thank you!

 

[helpstar]

did you use the correct usb-c port with the DP symbol? not all usb-c provide video out

 

[AlexGrama7]

The 2020 Legion 5 only has 1 USB-C port in the back.

 

[omran_shtiwi]

I am just a novice on this issue, but could it be resolutions and refresh rates mismatch?
can you try to first connect the monitor through the USB-C first and setting Second Screen Only through windows and check if it works?

 

[Hal19]

I am just a novice on this issue, but could it be resolutions and refresh rates mismatch?
can you try to first connect the monitor through the USB-C first and setting Second Screen Only through windows and check if it works?

I have similar issue with my Legion 5 15ARH05H. It's Type-C Video Output stopped working with no warning while its data transfer is still working. Looks like Lenovo has issues with a number of their units.

Lots of Lenovo laptops have USB-C issues, but there's a fix
https://www.windowscentral.com/lots-lenovo-laptops-have-usb-c-issues-theres-fix

Nearly all ThinkPads have defective USB-C ports: What to do now
By Phillip Tracy
published 23 January 2020
https://www.tomsguide.com/news/nearly-all-thinkpads-have-defective-usb-c-ports-what-to-do-now

Critical Intel Thunderbolt Software and Firmware Updates - ThinkPad
https://pcsupport.lenovo.com/ca/en/...SmPzOUUkH2VFSMZR2TXA0&cid=ca:affiliate:bw4wpk

 

[AlexGrama7]

I have similar issue with my Legion 5 15ARH05H. It's Type-C Video Output stopped working with no warning while its data transfer is still working. Looks like Lenovo has issues with a number of their units.

Lots of Lenovo laptops have USB-C issues, but there's a fix
https://www.windowscentral.com/lots-lenovo-laptops-have-usb-c-issues-theres-fix

Nearly all ThinkPads have defective USB-C ports: What to do now
By Phillip Tracy
published 23 January 2020
https://www.tomsguide.com/news/nearly-all-thinkpads-have-defective-usb-c-ports-what-to-do-now

Critical Intel Thunderbolt Software and Firmware Updates - ThinkPad
https://pcsupport.lenovo.com/ca/en/solutions/ht508988/?irgwc=1&PID=221109&acid=ww:affiliate:bv0as6&clickid=2jPSCtW7axyPUQy012SmPzOUUkH2VFSMZR2TXA0&cid=ca:affiliate:bw4wpk

Thank you! I will try the to update the Intel Thunderbolt drivers.