On 20/06/2020 10:06, Chris Green wrote:
> Brian Gregory  wrote:
>> AIUI the issue is just that if you don't use the Raspberry pi branded
>> power supply the Pi may not be able to draw enough power to work.
>>
>> Just use the proper power supply and you're fine.
>>
> It doesn't have to be "the Raspberry pi branded power supply", any
> power supply with the required current capability will do.  Actually,
> more to the point, a USB *cable* which can carry the current without
> too much voltage drop is necessary.
>
> I was recently setting up a Pi to run continuously as my local DNS
> server and found most cables couldn't run the Pi satifactorily. That's
> 'most' as in about three out four cables I tried.  I wonder if it's
> mostly the cable that comes with the "the Raspberry pi branded power
> supply" is what makes it work [more] reliably.

Do try and keep up at the back.

https://hackaday.com/2019/07/16/exploring-the-raspberry-pi-4-usb-c-issue-in-dep
th/

https://www.theverge.com/2019/7/10/20688655/raspberry-pi-4-usb-c-port-bug-e-mar
ked-cables-audio-accessory-charging

https://www.raspberrypi.org/forums/viewtopic.php?t=249975

--
Brian Gregory (in England).

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