ASUS MB169B+ does not work with Surface Studio

wataru · 04-17-2017, 09:09 AM

I found the issue. The computer does not have enough power to power on the monitor.

I tried a USB Y-cable on the monitor, and the monitor worked instantly.

This makes me wonder why Asus did not include a USB Y-cable in their package.

My other USB monitors are self-powered, so no issue with them. The Asus monitor is USB powered. That's why it's not working.

AlbanRampon · 04-19-2017, 12:56 PM

Hello Wataru,

Thank you for the posts and taking the time to post your solution.
This type of devices does draw a lot of power to be able to power the panel and backlight.
Not all USB ports can handle the amount of current necessary to start them. You may see that once running, you could reuse the additional port.

The Y-cable is indeed a good solution. Sometimes using a good short cable is enough to stop the brown-out effect.
Also good is using an externally powered USB hub. Then the current is not drawn from the host.

Again, thank you for taking the time to post your results.
Kind regards,
Alban

04-19-2017, 12:56 PM	#2
AlbanRampon Senior Member Join Date: Sep 2015 Posts: 1,685	Hello Wataru, Thank you for the posts and taking the time to post your solution. This type of devices does draw a lot of power to be able to power the panel and backlight. Not all USB ports can handle the amount of current necessary to start them. You may see that once running, you could reuse the additional port. The Y-cable is indeed a good solution. Sometimes using a good short cable is enough to stop the brown-out effect. Also good is using an externally powered USB hub. Then the current is not drawn from the host. Again, thank you for taking the time to post your results. Kind regards, Alban __________________ Alban Rampon Senior product manager, universal docking stations and accessories Where to download the latest DisplayLink drivers How to clean up a corrupted installation How to report issues to DisplayLink for a speedy resolution

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04-17-2017, 09:09 AM	#1
wataru Junior Member Join Date: Apr 2017 Posts: 5	I found the issue. The computer does not have enough power to power on the monitor. I tried a USB Y-cable on the monitor, and the monitor worked instantly. This makes me wonder why Asus did not include a USB Y-cable in their package. My other USB monitors are self-powered, so no issue with them. The Asus monitor is USB powered. That's why it's not working.