I've screwed up the sound on my PC and have no idea what to do!

Not sure if this is right section but a few hours ago the whole of Win 10 went config up! I had my images (in the number of thousands) suddenly change real life icons into some damn flower. I seem to recall I had this problem ages ago and you all...

Very new here so please forgive the lack of profile info/signature if required. I have a 500gb ssd that had windows on it and quite a lot on that drive (450ish GB of programs and files). I also had a few other ssd drives that I used as storage....

yesterday I was watching the new dbs and then pc went black and made some buzzing noise I can turn it on but I can't get to the desktop with users Yesterday I was talking with Microsoft for a hour and minutes trying to fix it they said the pc could...

Yesterday I had an error logging in, and after a reboot my PIN doesn't work. I go to add a PIN and it prompts me for my existing PIN. I type in anything and it does nothing. So I can't enable and I can't disable. I love the PIN concept as I am...

I knew better but with the constant nagging for me to update...I accepted the update. This is where the problems started. My HP dv7 took the update and now only shows a sun burst and blue like screen...mouse works but will not do anything...