Zenbook 14 UX3402z unable to connect to a monitor using the USB Type C, thunderbolt 4

[Albs12345]

I am unable to connect to a monitor using the type C connection. The monitor and cable has been tested on another computer without any problem.

[FongPoui]

@Albs12345
Could you please to provide the brand of your monitor?
I am curious and if I wanna to get a new monitor, your problem can help me choice a correct one!

[Albs12345]

its the LG Gram +view 16" portable monitor with Type-C interface.
Works well with my other computer which is 3 years old.

[Albs12345]

Falcon_ASUS

https://zentalk.asus.com/en/discussion/63937/zenbook-14-ux3402z-unable-to-connect-to-a-monitor-using...

@Albs12345

Is your BIOS also updated to the latest?

https://www.asus.com/support/FAQ/1008276/

If you have confirmed that there is no problem with the connected cable, I would suggest you bring back your laptop to our service center.

The following is the contact information: 

http://www.asus.com/support/Service-Center-All-Countries/

Also you can contact the local service center for help. The following is the contact information: 

http://www.asus.com/support/CallUs#

Sorry for any inconvenience it may be caused. 

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Bios is 305
latest as of date (16/09/22)

[FongPoui]

I will try it...
https://www.youtube.com/watch?v=OwTEWDKknU8
It would be great if that is a touch screen monitor...

[Albs12345]

its not a bad screen, and portable. it worked good on my other computer, Its light and almost felt flimpsy. but with the protective cover I think it works pretty good. its only got type C output.