Dell XPS 12 and HDMI via displayport does not

Hello

I have a HDMI cable and an adapter Displayport 2 HDMI (purchaced with XPS 12) which works very well with another laptop of Dell, but not with my new XPS 12.

There's no signal at all. When I select "Duplicate" screening, the resolution is changed on the XPS 12 what looks like 4:3. If I select "Projector" only, he returned to "Duplicate" after a short period of time with a message indicating the success-no (don't remember the message). I tried installing on a Samsung TV and a brand new projector. As mentioned, the pair of cables works very well with an older another Dell laptop.

Anyone know this problem?

Any input is highly appreciated.

Here is an update of this curious history. The adapter HDMI of CableToGo worked once on the machine. However, I tested the adapter on two other laptops, and it worked without a hitch. Assuming it was driver related, we did a full reset on the machine without success. An engineer came today with a new motherboard and an adapter. The new adapter worked.

Conclusion: My Dell XPS 12 did not like the CableToGo displayport-HDMI adapter. It is difficult to say if the adapter is defective (it worked on other laptops) or if it's a general incompatibility problem. The fact that it worked once after reinstalling the driver was just bad luck.

Tags: Dell Laptop

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