Igor Kromin |   Consultant. Coder. Blogger. Tinkerer. Gamer.

The Dell UltraSharp U3415W monitor is not a new kid on the block any more (you can read about its unboxing I did in 2015). It's still a great monitor however and since I now have a new 2017 MacBook Pro I wanted to be able to keep using it. I read about various issues others have been having with making this monitor work over USB-C so I've decided to try out a bunch of different cables and adapters I had to see what worked and what didn't.

I also wrote a similar article about the Dell U2713HM monitor.

I was really hoping that there would be a variety of ways of getting a stable connection to this monitor, in the end I only found one that was the most practical.
IMG_0362.jpg


For the first three tests I used the Apple Multi AV adapter, these are the results:
 With Apple Multi AV adapter
USB-C (Multi AV) -> HDMI cable connected to the MHL port
- 50Hz signal @ 3440x1440 resolution - some flicker occasionally
USB-C (Multi AV) -> HDMI cable connected to the HDMI port
- 60Hz signal @ 3440x1440 resolution - lots of flicker often
USB-C (Multi AV) -> HDMI to mini-DP adapter connected to the mini-DP port
- No Signal


This was what the HDMI port connection flicker looked like (it's really quite unusable)...





Even though the MHL port only gave a maximum of a 50Hz refresh, it was quite usable. Considering this is not a CRT, even a 30Hz refresh would be OK (which this method of connectivity also supported).

My next lot of tests were done using a USB-C to mini-DP adapter that I bought from eBay.
 With a mini-DP adapter
USB-C (mini-DP) -> mini-DP to HDMI cable connected to the HDMI port
- No Signal
USB-C (mini-DP) -> mini-DP to HDMI cable connected to the MHL port
- No Signal
USB-C (mini-DP) -> mini-DP to DP cable connected to the DP port
- 60Hz signal @ 3440x1440 resolution - some flicker occasionally


So the most stable connections were either with the Multi AV adapter to the MHL port or the mini-DP adapter to the DP port. In my opinion the Multi AV method is the most practical since it gives you the option to have both power and a USB 3.0 connection at the same time, plus you don't need to connect a second adapter. That's the method I'll be sticking with.

If you've tried other ways of connecting this monitor via USB-C let me know what worked for you.

-i

Please leave your comments or feedback below!
comments powered by Disqus
Other posts you may like...
Hi! You can search my blog here ⤵
Or browse the recent top tags...

Recent Blog Posts

How to stop macOS adding shadows to window screenshots

How to run Atari Lynx games on the SNES Classic Mini

Maven dependency scopes with relation to WAR file packaging and the WEB-INF/lib directory

Hacking the Sonoff B1 WiFi LED bulb to run custom firmware

What does an idle WebLogic server run on the hour to cause a CPU spike

How to open the Sonoff B1 wifi LED bulb to access its internal circuitry

Australian release SNES mini classic unboxing and a quick play through

Troubleshooting high CPU usage for JVM threads

How to fix WebLogic high CPU usage due to a corrupted file store

Mini review of the Sonoff B1 WiFi light bulb

Recent Galleries

Atari Lynx repair - Part 5 - McWill LED screen mod installation

Atari Lynx repair - Part 4 - screen cover replacement

Atari Lynx repair - Part 2 - re-capping the motherboard

Atari Lynx repair - Part 3 - broken speaker replacement

Atari Lynx repair - Part 1 - introduction and case disassembly

Building a custom Atari Lynx game box storage shelf unit in a day

Protecting old Atari Lynx game boxes with snug fit plastic sleeves

Monument Valley 2 is released and does not disappoint

Space Food - Chocolate Ice Cream with Chocolate Chips

Legeod Star Wars AT-DP kit

Blogs and Friends

Matt Moores Blog
Georgi's FlatPress Guide
Perplexing Permutations
The Security Sleuth
Ilia Rogatchevski
Travelling Fairy

Blog Activity

Blog Activity