Windows 10: sing in failure

I'm facing sign-in problem in my leptop.I'm using asus vivobook s531FL windows 10.but last few days i can't log in to my leptop. my Hello Face is not working and asking for pin.but here Pin and Password nothing is working. Everything is not accepting just shows that "Pin,Password is incorrect "

now what can i do?what is the solution of this troubleshoot? kindly I need help quickly.

:)

 

Cortana not singing !

cortena not singing a song it just read the whole song.But it was singing few days ago when i say "sing me a song".but now it just read it.

PLEASE HELP!

 

Why Doesn't Cortana Sing Songs Anymore?

Every time I ask Cortana to sing me a song, she just pulls up a Bing search. This has only been recent, seeing as she would sing a song before today. However, now when I ask her to sing, she doesn't. I'm using Windows 10 and whenever I search to try to
find answers, my question isn't listed. I've tried using the system file checker, but it told me nothing was wrong. If the singing was removed from Cortana for an update, please bring it back. It was fun. She still tells me jokes, weather, and does searches,
but she doesn't sing anymore. Please help.

Thanks.

 

cant sing into xbox music app

Hello I am using a Nokia lumia 1520 and i cant sing in into the Xbox music App....it says sometime that I have too many devices downloading songs ,so I erase all the devices I had.in the manage devices section.. And only left this one.....and still have
the same problem "can't sing in" it recognizes all the music I have downloaded and my play list but says " can't sing in ".. Thank you for your help.