I decided to update the core code on my board after running through some incorrect readings using the multiplexer capelet [(https://forum.bela.io/d/4014-multiplexer-not-working-well/2)] - similarly as this case. however, the update did not seem to occur properly, and I am unable to run any projects now - I have no sd card in my bela, which would explain the lack of space available - and the IDE does not run. Bela's d2 led is flashing. what should I do? is there a way of fully resetting the bela? thanks.