mac won't turn on but play charge sound
my 2018 mac book air, has the butterfly keyboard, and power button suffered key death, touch id does not work, but it usually starts even though the power button suffered key death, but no it wont turn on, but it plays a charge sound, find my says it's offline. Its on mac os big sur. I did not back it up, but I will once it turns on. Any help turning it on? This happend 2 times before: it has spinning wheel, but nothing showed up, and then another time where it was stuck at root login screen, I just waited unit the commuter died for that.
MacBook Air 13″, macOS 11.2