Connecting a pen display with HDMI
Overview
Video
3-in-1 cables
This is a special kind of cable. One end will have a single USB-C connection. The other end it will have the different connections. Typically these will be: HDMI, USB-A, and some kind of power. More here: 3-in-1 cables
Which HDMI port on the computer should you use?
If your computer has multiple HDMI ports you need to pick one.
If it's a laptop - it shouldn't matter. Any HDMI port should work.
If it's a small form factor PC - then also it shouldn't matter. Any HDMI port should work.
If it's a PC that has a separate graphics card you might have an HDMI port in multiple very different locations
You could have HDMI ports on the graphics card (GPU)
You could have HDMI ports on the motherboard of the computer
As a general rule, always use the HDMI ports on the graphics card (GPU) . Only use the HDMI ports on the motherboard as a last resort.
more here: Motherboard HDMI ports vs GPU HDMI ports.
What if you don't have any HDMI ports?
If you need to make an HDMI connection but have no HDMI ports you can convert other ports to HDMI using an adapter. See Using HDMI adapters with pen displays
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