Pinebook Pro dead after updating u-boot

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I am using Manjaro and a few days ago updated u-boot to latest version. The instructions from pacman included some `dd` commands to run post install, and after running them and rebooting the machine I was no longer able to boot back up. Black screen, so I can't see any error message.

Did I brick my device? is it possible for me to fix it in any way other than full re-install of the OS?

Do I need to connect it to UART maybe to see what the error message is?

Thanks!

Arwen is correct!

Something similar happened to me. I was able to resurrect my May 2020 Pinebook using Arwen's info plus the details here:
https://forum.pine64.org/showthread.php?...2#pid54312

I had to open up my laptop first and disable the eMMC. Then I booted of Ayufan's 0.9.14, did the 2 second switch trick, and was able to DD 0.9.14 into my eMMC. Now, everything is working well and I can also boot into other OS's using the MicroSD slot.

Charles

Would you have used the eMMC-USB adapter if you had one? I soft-bricked my pbp and just ordered one. I can do without the pbp for a couple of weeks, as it wasn't my daily driver anyway (though with Ayufans Focal build, it sort of was becoming one, it's that good. In fact, I was flashing it to the eMMC when I must've done something wrong.