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‎10-18-2021 08:26 AM - edited ‎10-18-2021 08:30 AM

HP Recommended
Product: HP ZBook Studio G4
Operating System: Microsoft Windows 10 (64-bit)

I have two (possibly related) problems about projecting to an external monitor using my Zbook Studio G4 laptop.

 

1) Trying to project to a (4k) monitor using type-c port.

When I connect the cable (type-c to type-c), the monitor is shown in the display settings on windows (as shown in below screen clipping); however the screen is not being duplicated or extended when I try to do so. It looks like the monitor doesn't receive any signal although I manually select the type-c input from its panel (the second screen clipping below).

 

user3467_0-1634563679437.png

 

user3467_2-1634566496855.png

 

 

2) Trying to project to a (4k) monitor using the HDMI port.

Using an "HDMI to HDMI" cable I can project to the (same) monitor. It works fine in general but this time there are some abnormalities in some colours. For example, the black texts seem "blue-ish".

 

user3467_3-1634566552252.png

 

Additional info:

I recently reinstalled windows and started to face with this problem. Earlier I was able to use the same monitor with the same type-c cable. Unfortunately, I can't remember what could be different regarding the drivers, the windows version, etc that worked in harmony on previous windows installation. (Using windows 10 pro 64 bit)

 

So far, I tried below but they didn't work.

     - installing the required display drivers from the drivers page (without doing any windows update after fresh windows installation)

     - installing the required display drivers from the drivers page (after fresh windows installation + windows updates)

 

Can someone help me with that please?

Thanks in advance!

 

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