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Go4itnow
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Thunderbolt 3 connection to USB-C Monitor not working

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HP Spectre x360 Convertible 15-df0
Microsoft Windows 10 (64-bit)

I just purchased an external monitor that can connect via a USB-C cable.

I'm not able to connect it with my Spectre laptop thru the Thunderbolt 3 ports, the monitor displays "no signal on usb-c"

I have confirmed that the monitor is good, it displays thru a hub using the Thunderbolt port and a DP connection.

the monitor does connect with a mac using the Thunderbolt port, so the cable and the USB-C connection on the  monitor is working.

I have updated the BIOS and the drivers for the laptop

I have a NVDIA  GeForce GTX 1050 Ti with "Max Q design" 

Any ideas why this is not working?

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The_Fossette
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@Go4itnow

 

Thank you for the information.

 

I see that there are two USB C ports on the right side of the laptop. To which port on the right are you connecting the monitor? Have you tried both the ports?

 

I recommend you connect the monitor to port 6 from the below image and check if it helps.

 

 

If you continue facing the issue, then update the BIOS and the graphics driver from the below link and test.

 

 

BIOS: https://ftp.hp.com/pub/softpaq/sp108501-109000/sp108735.exe

 

Intel: https://ftp.hp.com/pub/softpaq/sp102001-102500/sp102290.exe

 

Nvidia: https://ftp.hp.com/pub/softpaq/sp100501-101000/sp100904.exe

 

Let me know how it goes and you have a great day!

 

If you wish to show appreciation for my efforts, mark my post as Accept as Solution. Your feedback counts!

 

Cheers!

Stay Home – Stay Safe

 

The_Fossette
I am an HP Employee

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The_Fossette
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@Go4itnow

 

Welcome to the HP Support Community!

 

I assure you I will try my best to get this sorted.

 

In order that I may provide you with an accurate solution, I will need the product number of your computer.

 

Follow the steps in the below article to find the product details.

 

https://support.hp.com/us-en/document/c03754824

 

Look forward to hearing from you and you have a great day!

 

Take care.

 

Cheers!

The_Fossette
I am an HP Employee

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Go4itnow
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hello

The product number is :   4CJ41AV

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The_Fossette
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@Go4itnow

 

Thank you for the information.

 

I see that there are two USB C ports on the right side of the laptop. To which port on the right are you connecting the monitor? Have you tried both the ports?

 

I recommend you connect the monitor to port 6 from the below image and check if it helps.

 

 

If you continue facing the issue, then update the BIOS and the graphics driver from the below link and test.

 

 

BIOS: https://ftp.hp.com/pub/softpaq/sp108501-109000/sp108735.exe

 

Intel: https://ftp.hp.com/pub/softpaq/sp102001-102500/sp102290.exe

 

Nvidia: https://ftp.hp.com/pub/softpaq/sp100501-101000/sp100904.exe

 

Let me know how it goes and you have a great day!

 

If you wish to show appreciation for my efforts, mark my post as Accept as Solution. Your feedback counts!

 

Cheers!

Stay Home – Stay Safe

 

The_Fossette
I am an HP Employee

View solution in original post

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Go4itnow
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I had already tried both ports but the good news is that after updating the BIOS and the drivers the USB C connection now works! It still does not work thru my hub but I will contact CalDigit regarding that.

Thank you so much for your help.

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The_Fossette
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@Go4itnow

 

Perfect, I am really glad to hear that!

 

If any other questions arise, please feel free to write back to me.

 

Cheers!

The_Fossette
I am an HP Employee

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Dan8719
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Dear Go4itnow, 

I hope to provide you the solution for this very annoying problem!!! I had the same issue and I spent almost 3months to fix the isssue after several attempts performed under the supervision of the HP support. You can find the solution in this post I wrote today to be helpful to the HP community: External monitor not working with thunderbolt connector.

Basically you need to change from 0 to 1 an entry of the register file. Keep me posted if that solution works fine! 

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