PINE64
Gembird USB Typ-C to HDMI has no HDMI output when connected to PinePhone PostmarkedOS - Printable Version

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+--- Thread: Gembird USB Typ-C to HDMI has no HDMI output when connected to PinePhone PostmarkedOS (/showthread.php?tid=16815)



Gembird USB Typ-C to HDMI has no HDMI output when connected to PinePhone PostmarkedOS - Peter Gamma - 06-11-2022

https://www.galaxus.ch/de/s1/product/gembird-usb-typ-c-zu-usb-a-usb-typ-c-hdmi-750-cm-data-video-adapter-15682859?gclid=Cj0KCQjw-pCVBhCFARIsAGMxhAeh0j8LOtaScqXzPzDQPdTn1u2QJbGA_3mfCbzBRo6O6uJMjaivZ6IaApsUEALw_wcB&gclsrc=aw.ds

The Gembrid USB to HDM adapter can also be found on Aliexpress (with a different name)

Martijn Braam wrote here in the forum about another usb-c apapter with VGA output:

«In theory any dock that uses usb-c displayport alt-mode for the video ports should work (which most are). The usb3.0 is a bit useless since the usb connection on the PinePhone is only 2.0. «

The Gembird USB Typ-C adapter shows a blue light to indicate that it receives power from the phone, but there is no HDMI signal when connected to a HDMI monitor. We plugged it into a PinePhone running PostmarketOS.


RE: Gembird USB Typ-C to HDMI has no HDMI output when connected to PinePhone PostmarkedOS - Peter Gamma - 06-13-2022

13.7.22 update:

- plug in an usb mouse is working
- removing usb mouse and replacing by usb keyboard is working
- mouse and keyboard together not working since to little adapters
- PinePhone charges when power over usb is provided