@Selore Global I gave you the model number of the product and the laptop and I cant show a video of it not doing something it should.

Hi @mark lefler In order for us to solve your problem more clearly, please provide the product's SN serial number (on the back of the product), and then attach a screenshot or video of the fault. ...

also do I need to get power to it some how for the hdmi to show the monitors?

Hi BrianAfter the technical support, we provide two suggestions:1: Consider manually adjusting the brightness of the monitor. There is a button on the monitor to adjust it.2: After completing the f...

S/N is 2405.  If I connect both external monitors through the USB-C hub, they are both dim.

Hi @Brian Adams ，In order to solve your problem more quickly, please provide the SN serial number of the product (usually on the back of the product). It would be even better if you could prov...

I'm using SEDK1401 to connect 1 monitor.  I have a 2nd monitor connected to the HDMI output on my laptop.  The monitor connected to the SEDK1401 is noticeably dimmer.  If I switch th...

@Matt McCutcheon Well. Wait for your SN number.

1. HP EliteBook 840 G8 and DP version, if you mean Display Port version, this laptop doesn't have a built in DP port, only HDMI. The Dell S2417DG monitors are DP 1.2 and HDMI 1.4.2. I upgraded all ...

Hi @Mike Wong，In order to better solve your problem,What is your computer model?A suggestion: You can try connecting other devices to check if it is a compatibility issue.