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Paper Tape
Posts: 1
Registered: ‎07-24-2019
Location: NL
Views: 75
Message 1 of 1

Thinkpad T470 - Second Screen Randomly Turning Off

A user at our company is experiencing an issue with his second screen randomly turning off. He reported that the screen randomly turns off multiple times a day. The screen works after turning it off and on again. The setup is as follows:


  • Thinkpad Ultra Dock
  • ThinkPad T470 running Windows 10 (closed lid)
  • Lenovo ThinkVision LT2223ZWC monitors (2x), connected using DisplayPort

So far, we have tried to solve this problem by trying the following, unfortunately to no avail:


  • Updated the BIOS;
  • Updated Intel Graphics Driver, Thunderbolt Software and the ThinkPad Display INF File;
  • Updated the Thinkpad Ultra Dock firmware;
  • Replaced the docking station and screen, cables

Any help on this matter will be greatly appreciated.

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