HP Photosmart M407 Digital Camera "silver red ok button" Questions

...silver top. You will now notice innards of a broken switch... who cares. continue by prying the switch off the board with a small flat tip screw driver. PRY GENTLY with even force on the board or if ...

...ok. It then comes up with a red exclamation mark inside a circle, or at least that's what it looks like. It won't let me do anything. I have turned it on and off numerous times and even did the reset ...