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External monitors connecting to USB-C dock are flickering

External monitors connecting to USB-C dock are flickering

If the external monitor connecting to Thunderbolt or USB-C dock is flickering, try the following tips:

  1. Please try the shorter video cable, for example 3-feet HDMI to HDMI cable.
  2. Please ensure that you are using CalDigit’s cable only to connect from Dock to your host machine.
  3. Update your OS and GPU drivers to the latest version.
  4. Try another monitor.
  5. If you are using Mac computer, please try to reset the NVRAM.

CalDigit Support is ready to assist you.
For an optimal experience please have your product name, serial number, and operating system on hand prior to contacting support.

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Mon – Fri 8:30AM – 5:30PM  

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Mon – Fri 9:00AM – 6:00PM

(UTC/GMT +9)

Mon – Fri 8:00AM – 5:00PM

(UTC/GMT +8)

CalDigit Support is ready to assist you.

For an optimal experience please have the following on hand prior to contacting support. 

  • Product Name
  • Serial Number
  • Operating System

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+44 (0) 1993 700 972


EUSupport@CalDigit.com

Mon – Fri 8:30AM – 5:30PM  (UTC/GMT 0)

+81 (50) 3136 5168


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+886 (2) 2226 0966


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For an optimal experience please have your product name, serial number, and operating system on hand prior to contacting support.

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