Many users are having this issue, same as myself. What clears up the issue for me is having it plugged in, it won't reboot as long as it's charging regardless of what percentage SOC the battery is at. I might mess around with the power management se...
I'm having the same exact issue, and ASUS wants to charge me upwards of 650 dollars to "repair it" even though this is clearly a firmware bug caused by the latest update.
