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June 24th, 2024 05:13

can't get 3 monitors on WD15 with 7490

i have a 7490 running windows 10 and a WD15.  trying to get 3 external monitors going along with the laptop's built in screen.  

right now the best i can do is the VGA port on the WD15 and the HDMI port on the laptop itself.  if i connect a 3rd monitor to the display port on the WD15, i can see it as monitor #4 on the Windows Display Settings page, but the monitor itself will not show the 4 when i click the identify button.  nor can i move the "location" of the 4th monitor on the screen.  no matter which combination of ports and monitors i use, i can only get 2 external monitors to work. 

 

what am i missing from the configuration equation here? 

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June 24th, 2024 14:20

@ejn63​ :(.  thanks for the info

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June 24th, 2024 10:56

The GPU in that system (Intel UHD 620) can only drive three displays simultaneously.  If you need three external monitors, you will need to disable the internal screen.

isProTip

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June 29th, 2024 22:00

@ejn63​ follow-up.
i switched the hub to a WD19s.  i used all 3 monitor ports on the hub,1 HDMI and 2 other ports (looks like HDMI, but one 3 corners are squared instead of 2).  i only have video on my laptop and the monitor connected to hdmi is showing video.  when i go into windows display settings, the other monitors aren't even showing up.
so, 1) how do i get windows ot see the other monitors? and 2) how do i " disable the internal screen." as put it?
thanks

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