If your Pi was doing an update when you stopped it, there is a chance it was updating a critical file.
As a general rule, you should never disconnect the power while updates are running.
If the Pi is unable to find the firmware, you can try to copy across any files from the Pi installer/default image and see if that works. If not, you may have to cut your ...
This is because the motherboard memory slot is not in good contact.
It is interesting to note that linux identify normal. Crash only on read or write to the memory slot and no any log can be found,even bios logs.
The greater the memory usage, the greater the crash probability