Boot issues, April Update maybe power related

[fzinken]

@hg64

same problem heresince april updatemy raspberry pi doesn’t start anymoretested with a 1.5A power supply and a 2.1A power supplyif i unplug ethernet + hdmi, i can start then i can plug hdmi + ethernetwith last update no problem at all

So are you seeing the unpower warning (rainbow square in top right)?
Otherwise not booting might have other reasons.