Macbook 2015; boot logo after login.
Tried searching all over, but without success.
I shutdown my Macbook while it was plugged in to an external monitor a few days ago. Since then, whenever I try to log in, it accepts my password, shows the profile photo for a few seconds, then goes to the apple boot logo. It stays on that screen until powered off.
After powering off, I have to reset the SMC to get it to power back on. The same problem recurs after this.
I am about to re-install the OS, but wanted to check if anyone knows of a more straightforward solution.
Thanks in advance.
MacBook, OS X El Capitan (10.11.3)