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windwalker
What's DOS?
Posts: 2
Registered: ‎09-13-2016
Location: RO
Views: 137
Message 1 of 2

T410s fails to detect external display

Hello.

I am trying to use an external display connected via DisplayPort in Windows 10.

The display reports no signal.

The Settings application lists only the built-in display. After I press "Detect" it recognizes that there is another display but it's "not detected".

windwalker
What's DOS?
Posts: 2
Registered: ‎09-13-2016
Location: RO
Views: 104
Message 2 of 2

Re: T410s fails to detect external display

I investigated further and it is clear that this is a Windows driver issue.

First I tried booting a Linux live environment and the external display was immediately recognized and used.

Then I went into BIOS setup and set the external digital display as start-up screen. The external display worked fine and displayed the first part of the boot sequence: the Lenovo splash screen and the new trapezoidal Windows logo.

After the display drivers were loaded and Windows started showing the spinning points loading sequence the external display lost signal.

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