Hello. I have a UR24C on a fairly new and beefy Windows 11 machine. About a week ago the interface stopped powering up with just the USB connection, so I’ve been using the micro USB port for power. It just randomly without any hardware changes.
Here’s a weird behavior I noticed. When powering up the computer, it will power up as expected using the 5v power. Now when I flip the switch over to the C connector, it will power up as well. In other words, the C connection will function only when the interface is powered by the 5v first.
I checked the BIOS settings, drivers, Windows settings, etc. The cable is certified and it did work for about a month just find. No dice with any attempts. I’m not even sure it’s a problem with the interface, but I’m curious if anyone else has come across this and hopefully has a solution.
The UR24C needs only 4.5W (or about 1A).
That’s not a lot for any well-designed USB-C port.
It’s very well possible that the UR24C (as any USB device) needs a very brief power surge (over 1A) when powering up, but still should not cause any problem on USB-C these days.
If it was working fine until recently, look back deeper into something you could have changed?
phantom power usage?
still should not be enough difference to cause an issue, but…
added other USB devices (a synth? or a hub?) to your computer?
on some computers the USB power budget is shared among many ports.
Checked all the noted items. I don’t have another cable at this moment, but I’ll get one from a reputable brand. That said, it does work once it boots up with the 5v. I can even unplug that altogether and work with the C cable as long as I don’t turn off my computer.
