Macbook 2015 12inch Retina with USB-C

[wahlfeld]

Originally Posted by Wim

I think this is a separate issue to the one mentioned in this thread. I suspect the issue you are having is that the DisplayLink chip is not always appearing on the USB bus, and only the USB 2.0 devices are being enumerated (which is why your keyboard and mouse work).

This can be debugged using the article below:

http://support.displaylink.com/knowl...at-all-when-co

Wim

I had a look at that link and it didn't really help. I've attached some information when the drivers are working compared to when they're not.

Working:
https://i.imgur.com/6k00952.jpg

Not working:
https://i.imgur.com/wB9dWn1.jpg

Here's the full set of system information on the USB buses:

USB 3.0 Bus:

  BSD Name:	en2
  Host Controller Driver:	AppleUSBXHCIWPT
  PCI Device ID:	0x9cb1 
  PCI Revision ID:	0x0003 
  PCI Vendor ID:	0x8086 

USB3.0 Hub             :

  Product ID:	0x0812
  Vendor ID:	0x2109  (VIA Labs, Inc.)
  Version:	91.05
  Speed:	Up to 5 Gb/sec
  Manufacturer:	VIA Labs, Inc.         
  Location ID:	0x14300000 / 3
  Current Available (mA):	1800
  Current Required (mA):	0
  Extra Operating Current (mA):	0
  BSD Name:	en2

USB3.0 Hub             :

  Product ID:	0x0812
  Vendor ID:	0x2109  (VIA Labs, Inc.)
  Version:	90.84
  Speed:	Up to 5 Gb/sec
  Manufacturer:	VIA Labs, Inc.         
  Location ID:	0x14340000 / 5
  Current Available (mA):	1800
  Current Required (mA):	0
  Extra Operating Current (mA):	0
  BSD Name:	en3

Targus USB3.0 DV Dock with Power:

  Product ID:	0x4306
  Vendor ID:	0x17e9  (DisplayLink (UK) Ltd.)
  Version:	0.49
  Serial Number:	10230302
  Speed:	Up to 5 Gb/sec
  Manufacturer:	DisplayLink
  Location ID:	0x14341000 / 13
  Current Available (mA):	1800
  Current Required (mA):	2
  Extra Operating Current (mA):	0
  BSD Name:	en3

USB 10/100/1000 LAN:

  Product ID:	0x8153
  Vendor ID:	0x0bda  (Realtek Semiconductor Corp.)
  Version:	30.00
  Serial Number:	000001000000
  Speed:	Up to 5 Gb/sec
  Manufacturer:	Realtek
  Location ID:	0x14310000 / 4
  Current Available (mA):	1800
  Current Required (mA):	64
  Extra Operating Current (mA):	0
  BSD Name:	en2

USB2.0 Hub             :

  Product ID:	0x2812
  Vendor ID:	0x2109  (VIA Labs, Inc.)
  Version:	91.00
  Speed:	Up to 480 Mb/sec
  Manufacturer:	VIA Labs, Inc.         
  Location ID:	0x14100000 / 2
  Current Available (mA):	1000
  Current Required (mA):	0
  Extra Operating Current (mA):	0

USB2.0 Hub             :

  Product ID:	0x2812
  Vendor ID:	0x2109  (VIA Labs, Inc.)
  Version:	90.80
  Speed:	Up to 480 Mb/sec
  Manufacturer:	VIA Labs, Inc.         
  Location ID:	0x14140000 / 6
  Current Available (mA):	1000
  Current Required (mA):	0
  Extra Operating Current (mA):	0

USB 2.0 Hub:

  Product ID:	0x0101
  Vendor ID:	0x1a40  (TERMINUS TECHNOLOGY INC.)
  Version:	1.11
  Speed:	Up to 480 Mb/sec
  Location ID:	0x14142000 / 7
  Current Available (mA):	1000
  Current Required (mA):	100
  Extra Operating Current (mA):	0

HD Pro Webcam C920:

  Product ID:	0x082d
  Vendor ID:	0x046d  (Logitech Inc.)
  Version:	0.11
  Serial Number:	0AB5DA1F
  Speed:	Up to 480 Mb/sec
  Location ID:	0x14142400 / 11
  Current Available (mA):	1000
  Current Required (mA):	500
  Extra Operating Current (mA):	0

Microsoft USB Optical Mouse:

  Product ID:	0x00cb
  Vendor ID:	0x045e  (Microsoft Corporation)
  Version:	1.00
  Speed:	Up to 1.5 Mb/sec
  Manufacturer:	PixArt
  Location ID:	0x14142300 / 10
  Current Available (mA):	1000
  Current Required (mA):	100
  Extra Operating Current (mA):	0

Wired Keyboard 600:

  Product ID:	0x07f8
  Vendor ID:	0x045e  (Microsoft Corporation)
  Version:	3.00
  Speed:	Up to 1.5 Mb/sec
  Manufacturer:	Microsoft
  Location ID:	0x14142200 / 9
  Current Available (mA):	1000
  Current Required (mA):	100
  Extra Operating Current (mA):	0

Like I said, it will always work after a restart but once unplugged and plugged back in the LAN and monitor will not work; looks like the USB3 bus becomes undetected.

Does anyone have any other suggestions?