USB-C to HDMI not working

[Arnoh]

I have recently purchased a new netbook (HP Pavilion - 14-ce0505sa) I was hoping to connect 2 external monitors to the pc rather than buy a complete docking station.

I have purchased the USB-C to HMDI HP adapter to give it an additional HDMI port although it doesn't seem to work.

I thought the laptop was display alternate compatible and I am unsure how to resolve this, I have updated the BIOS, updated all graphics drivers with no luck.

Any ideas? Thanks

[TheOldMan]

Assuming the HDMI port is working for one additional monitor, then please indicate the model number of the "USB-C to HMDI HP adapter "

You could try a different approach, such as

https://www.amazon.com/Plugable-Graphics-Multiple-2048x1152-1920x1080/dp/B00A2E1MQA

[ntloser]

I am having a similar problem. So far I've  tried 2 USB-C to HDMI adaptors.

This one, nothing was detected. https://www.amazon.com/gp/product/B07HVQQPYK/

The one was detected as a USB 2.0 Billboard. Nothing showed on the display. https://www.amazon.com/gp/product/B07H5GWBQF/

 If you find one that works, please let me know. 

[ntloser]

You may want to double check with support and make sure the USB C port actually supports DP AlT mode. I just found  out my model really doesn't. Although HP's web site says it supports it, internal documents say otherwise.

Web site says yes

https://support.hp.com/us-en/document/c05806272

But really it doesn't

https://pcb.itcs.hp.com/dc/api/spec-sheet/us-en/18162285/pdf/2EW64UA.pdf

[TheOldMan]

I actually thought what @ntloser stated "You may want to double check with support and make sure the USB C port actually supports DP AlT mode"  I have read that on the forum about the  USB-C to HMDI HP adapter not working because of the port on the host PC not supporting that.  That is the reason I posted the link for the USB to VGA/DVI / HDMI Video Graphics Adapter.  I know that will do what the user wants.