Pinebook pro Hardware failure: how should I diagnose it?
09-08-2021, 08:49 AM
There are 2 separate and distinct "long presses" (of the power button)
7-8 s is hard power off (always try this 1st)
20+ s is hard reset (for a mismatched uboot, remove the "bad" uboot)
Be aware that this arm device is not at all like x86 devices,,
the uboot is like a limited and specific bios, specific to the the particular arm family
It also has to mostly match the OS, some uboots are not very universal
A serial connection is the best way to see what is happening
7-8 s is hard power off (always try this 1st)
20+ s is hard reset (for a mismatched uboot, remove the "bad" uboot)
Be aware that this arm device is not at all like x86 devices,,
the uboot is like a limited and specific bios, specific to the the particular arm family
It also has to mostly match the OS, some uboots are not very universal
A serial connection is the best way to see what is happening