Newer firmware causes HDMI restarts #310

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opened 2026-02-20 08:21:53 -05:00 by deekerman · 4 comments

deekerman commented

2026-02-20 08:21:53 -05:00

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Originally created by @tomtrostel on GitHub (Jun 3, 2025).

Originally assigned to: @ym on GitHub.

Recent firmware updates have caused an issue where the HDMI signal from a Mac Laptop is periodically dropped and restarts. I am unable to find / acquire the older firmware to validate exactly when this issue started but its definitely on 3.9 and later. I have validated the cable and the laptop with a regular monitor.

Please also allow end users to download older firmware along with "latest" when we want to do a factory restore for diagnostic purposes. We don't mind having to do a manual reload in DFS mode ... thats fine.

Originally created by @tomtrostel on GitHub (Jun 3, 2025). Originally assigned to: @ym on GitHub. Recent firmware updates have caused an issue where the HDMI signal from a Mac Laptop is periodically dropped and restarts. I am unable to find / acquire the older firmware to validate exactly when this issue started but its definitely on 3.9 and later. I have validated the cable and the laptop with a regular monitor. Please also allow end users to download older firmware along with "latest" when we want to do a factory restore for diagnostic purposes. We don't mind having to do a manual reload in DFS mode ... thats fine.

deekerman added the

component: updater

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2026-02-20 08:21:53 -05:00

deekerman commented

2026-02-20 08:21:54 -05:00

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@gitguys commented on GitHub (Jun 3, 2025):

I wonder if this is why my JetKVM won't update past 0.3.9? Even with Dev Mode it says 0.3.9 is latest available. Did they pull the higher versions because of new bugs? I wish they'd be more transparent about it.

@gitguys commented on GitHub (Jun 3, 2025): I wonder if this is why my JetKVM won't update past 0.3.9? Even with Dev Mode it says 0.3.9 is latest available. Did they pull the higher versions because of new bugs? I wish they'd be more transparent about it.

deekerman commented

2026-02-20 08:21:54 -05:00

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@tomtrostel commented on GitHub (Jun 3, 2025):

Beta software always comes with the possibility of bugs. I don't blame them for that at all. I just need older versions to see where the origin point is.

@tomtrostel commented on GitHub (Jun 3, 2025): Beta software always comes with the possibility of bugs. I don't blame them for that at all. I just need older versions to see where the origin point is.

deekerman commented

2026-02-20 08:21:54 -05:00

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@tomtrostel commented on GitHub (Jun 4, 2025):

If I manually reload the latest regular non-beta release the problem goes away. It would be good to add a feature which allows a user to flip back using an OTA update to the regular release from a beta

@tomtrostel commented on GitHub (Jun 4, 2025): If I manually reload the latest regular non-beta release the problem goes away. It would be good to add a feature which allows a user to flip back using an OTA update to the regular release from a beta

deekerman commented

2026-02-20 08:21:54 -05:00

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@BadDownload commented on GitHub (Aug 1, 2025):

Confirming I'm experiencing similar behavior on the latest firmware (App: 0.4.6, System: 0.2.5). This is resulting in a Macbook with the lid closed entering sleep / lock mode as there isn't an active display.

@BadDownload commented on GitHub (Aug 1, 2025): Confirming I'm experiencing similar behavior on the latest firmware (App: 0.4.6, System: 0.2.5). This is resulting in a Macbook with the lid closed entering sleep / lock mode as there isn't an active display.