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My 420 unit isn’t working -

The pad is recognized by the software downloaded - but nothing is happening. Please help
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Hi A.G. Howard, I'm sorry for the late reply. Have you installed the tablet driver? And does the tablet driver show "Device connected"? 


Please try the following steps that may help resolve your issue:

  1. Insert a new AAA battery in your pen.
  2. Please uninstall the tablet driver and make sure there are no other tablet drivers installed on your computer, whether from Huion or other brands. Having multiple tablet drivers installed on your computer may cause issues with the tablet driver.
  3. Unplug your tablet and plug it back in. Then test if the pen works well without the tablet driver. If it does, then the issue is with the driver. Otherwise, it may be caused by other factors. Please proceed to Step #3 below.
  4. Unplug your tablet from your computer again and reboot your computer.
  5. Install the latest driver for your tablet which you can download from this link, Huion 420 Graphic Tablet Drivers, and follow the installation process from these articles: How to Install Huion Drivers on Windows (Windows computer) and How to Install Huion Driver on MacOS (Mac computer)
  6. After the tablet driver has been successfully installed, please plug your tablet back in and test if the pen works without any issues.

You can also check on this video for instructions on how to insert the AAA battery and turn on the pen: How to use the battery pen (Pen 68)?


Best Regards,

HUION Customer Support

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