flickering issue with HDMI port

[David Phillips]

Has anyone had any issues with a PC connected to the HDMI port?  I started getting reports from users of one of my Surface Hubs that laptops connected to the HDMI port are flickering between what's on the laptop and the Connect app.  Tried a different cable, same issue.  Doesn't happen with the VGA port.

[#2]

We fixed the problem by power cycling the Surface Hub. It's interesting that doing a restart wouldn't fix this.

[#3]

I've seen this issue a few times where using power button on the side has helped.

I never do restarts so can't comment on that

[#4]

David,

Im having the exact same problem when connecting rhe pc theough the “Connect” feature. Ive done the power cycling a few times and flickering it just comes back. Its only when you hook up a pc. If i throw the hard switch to go into monitor only mode, then the flicker never happens.

Anyone have any ideas?

Thank you? Should i simply return the device?

Al

[#5]

We had similar issues and it turned out that there was something wrong with the HDMI port. 

[#6]

We are also experiencing this problem. Power cycling the hub does clear the flicker but it is not a long-term solution. 

[#7 · Accepted solution]

For recent users, I just had this issue with a Surface Hub to which we connected an Apple TV. Found out the HDMI cable was dodgy in our case.

Just remember the rules for troubleshooting, and aim to eliminate posibilities:

- Try a reboot (rules out an app or minor software issue)
- Try the Surface Hub Diagnostic Tool (rules out obvious hardware issues)
- Try a different device (rules out it being a particular device)
- Try a different cable (rules out cable issue)
- Try a rebuild (rules out an OS issue)

Failing all of that, it's a hardware issue of some kind, and Microsoft Support are your next step: https://support.microsoft.com/en-gb/help/4037644

[#8]

Some of these reply's are 5 years old