I have an raspberry pI 3 that won't boot. The problem is probably the sd card since it works when I switch to another sd. During the boot screen the PI give me
"Assertion 'str' failed at ../src/basic/utf8.c:195 ......"
There is a number of text when the Pi boots it hangs on that line. Is there any way to salvage the sd card or fix this issue?
I was working with a board and external power supply.