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Having the same issue as many others, 3 of my ActivPanels will work fine one day, not the next -

We get message no signal - tried new HDMI cables, different laptops, makes no difference - works one day, not the next - rebooting computer sometimes works, moving cables also some times works - but no rhyme or reason...

Answers

  • Hi ddeblock,

    Thanks for posting.

    Do you know the model number of the ActivPanel? 
    Are your HDMI cables all direct to the ActivPanel rather than going through any wallboxes/faceplates or adapters/converters? 

    Can you advise if you turn on the ActivPanel first then turn on the computer does this help to show a signal?
    When you get no signal, if you switch to the ActivConnect, does this detect a signal and work?

    Kind regards,
    Adam
    Promethean Technical Support
  • I am having the same issue - We get a message "no signal" - tried new HDMI cables, different laptops, makes no difference... The AP$ touch panel boards
  • Hi brownt

    Do you know the model number of the ActivPanel? 
    Are your HDMI cables all direct to the ActivPanel rather than going through any wallboxes/faceplates or adapters/converters? 

    Can you advise if you turn on the ActivPanel first then turn on the computer does this help to show a signal?
    When you get no signal, if you switch to the ActivConnect, does this detect a signal and work?

    Kind regards,
    Adam
    Promethean Support
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