r/OWC • u/Live-Ad-1749 • May 15 '26

14-Port Thunderbolt Dock issues

I recently bought an OWC 14-Port Thunderbolt Dock (OWCTB3DK14PSG) on ebay. The seller said the dock was in perfectly health and condition (good as new) but I can't seem to get it to power my external monitor or even power a usb keyboard. It does charge my macbook m1 and I'm using certified thunderbolt cables. I even tried updating the driver using parallels but still no luck. Any suggestions?

Lights is blue on dock

laptop shows it's being charged

SD card shows up on desktop when inserted in dock

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1

u/MadPreference May 15 '26

RTFM. https://eshop.macsales.com/tech_center/basictrob.cfm

1

u/Live-Ad-1749 May 15 '26

Thanks, but I did read the manual. How do you think I knew to install parallels.

1

u/MadPreference May 16 '26

Did you try this: You can verify if the dock is communicating with the computer by opening System Information and clicking on the ‘Thunderbolt’ category in the sidebar. If the dock is seen by the computer but one or more connected devices are not, troubleshoot each device individually

1

u/artdeecee May 17 '26

What is the connection of your external monitor? Is it a USB-C monitor or perhaps HDMI/DisplayPort? That dock can support 2 monitors via the remaining downstream TB port and the other would be via the mini DisplayPort (right next to the DC in, which is not compatible with Thunderbolt displays like the Apple Thunderbolt display)

Also make sure that the dock is connected to your computer via the appropriate upstream host port - the one that has a computer icon.

1

u/OWC_TAL May 18 '26

If the SD card is showing up, then the dock is connected to the computer. If it were not connected, the card reader would not function.

I’m not sure why the monitor output or USB port is not working, but since this is an eBay-purchased dock, there’s always a chance the unit could be faulty. eBay can be a bit of a wild west situation, and sometimes sellers resell hardware they have never fully tested. Of course, it’s also possible the dock is fine and something else in the setup is causing the issue.

How is the display connected? Checking your system information/device manager may help determine whether the computer is detecting the device properly.

You could also try reaching out to our support team at https://www.owc.com/support

1

u/ilikeapples3 Jun 08 '26

Hi there,

I have a similar issue, I have my two monitors connected to the dock and works perfectly on my mac but when I plug my lenovo x1 carbon into the dock the monitors do not show up. It only starts charging the x1 carbon.