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by eltiodex
Tue Aug 13, 2019 12:39 pm
Forum: Troubleshooting
Topic: HELP! Rpi4 stuck at rainbow stage after firmware update.
Replies: 12
Views: 2343

Re: HELP! Rpi4 stuck at rainbow stage after firmware update.

Well, I did what you suggested with the same results. And the same SD Card works on the other RPi4. Is there a way to get more information when booting? Via UART, via display... anyway?

Thanks for your help!!
by eltiodex
Wed Aug 07, 2019 9:21 pm
Forum: Troubleshooting
Topic: HELP! Rpi4 stuck at rainbow stage after firmware update.
Replies: 12
Views: 2343

Re: HELP! Rpi4 stuck at rainbow stage after firmware update.

I agree with you Dougie, but I can't find a way of pass-thought the rainbow screen. After I read you, I tried again with flashing a SD card, but it doesn't work in the "no-bricked" but yes in the out-of-box new RPI4. Yesterday, I tried to boot the RPi4 with these options, but nothing happened: start...
by eltiodex
Tue Aug 06, 2019 10:51 pm
Forum: Troubleshooting
Topic: HELP! Rpi4 stuck at rainbow stage after firmware update.
Replies: 12
Views: 2343

Re: HELP! Rpi4 stuck at rainbow stage after firmware update.

Same issue here, after rpi-update. I have 2 RPis, but one stayed new on the box. The same sd card boots on the new one but no on the "rpi-upgraded". I hooked up to UART port an this is the output: PM_RSTS: 0x00001000 RPi: BOOTLOADER release VERSION:d2402c53 May 10 2019 19:40:36 BOOTMODE: 0x00000006 ...
by eltiodex
Thu Mar 02, 2017 4:31 pm
Forum: General discussion
Topic: STICKY: USB boot now working on Pi3
Replies: 544
Views: 347349

Re: USB boot now working on Pi3

Ok, after hours of trying, I made it work. I'm just telling it for someone who can have the same problem. My testing devices are a RPI3 + IDE HDD + IDE-USB2.0 Adapter. Believe me, tried everything without success until I took off the Master/Slave selector jumper of the HDD (Master). The estrange thi...

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