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juliacain
Paper Tape
Posts: 1
Registered: ‎04-16-2018
Location: US
Views: 359
Message 1 of 1

Yoga 900 External Monitor Issue: Won't Connect, Screen Flashes, Turns Black

Hello! When I connect my Yoga 900 laptop to my Samsung external monitor using a USB-C/HDMI adapter, the laptop screen flashes black and the external screen does nothing. Between the flashes I can see my desktop background goes blue and every program/file that is open begins popping up and closing on repeat. Nothing ever shows on the external monitor. The only fix is to unplug the two, but if I let the laptop flash for more than about a minute it eventually goes black. When this happens, unplugging it from the monitor does nothing and it has to be manually restarted using the side button.

 

  • As noted in other forum solutions, I manually updated all video and chip drivers.
  • I have tested the monitor's HDMI port, the Yoga 900's USB-C port, and the HDMI cable itself. I have also tried a different brand of USB-C adapter. 
  • Pressing Windows + P doesn't seem to do much, as I can see the menu between the flashes and click "expand" but nothing happens. 

Any idea what else I can do? Thank you.

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