Computer lost all files

[Atozmom]

My computer was acting slow.  I restarted it then all the files were gone.  It didn't even know my Microsoft user name and password. It gave me a temporary account.  I figured that out and then logged in and still no documents or files.  Not sure what to do without Possibly causing further damage. 

[WAWood]

@Atozmom 

The Community can not provide any assistance without some details ...

So, please provide the following:
1) detailed model number of the PC
2) OS version the PC is running (i.e., Win7, Win8x, Win10)
3) Age of the PC
4) Detailed description of the problem -- including the EXACT wording of any error message being displayed

Once you provide the needed details, someone will reply.

[Atozmom]

OS MS Win 10

HP Notebook 44k0Q89G

Age 3 years

I turned on my computer and it asked for my windows PW and said that it gave me a few temporary  account. I then realized and logged into mine.  When I got in I noticed that everything looked different ( screen saver, icons missing) I went to look at my files and they are all gone. I have not used my computer since.

[Atozmom]

One more thing.  Before I had realized what had happened  I went to go online and had to add my Google info and went in.   I turned laptop on today and it again reverted back to square one.  Meaning my Google won't even remember  that I was there.  Hope that makes sense.  It seems it keeps going back to square one. Though it did remember my Windows log in. 

[WAWood]

@Atozmom 

What is on your desktop, even what apps are shown, is based entirely on the account you use to login.

So, when you were forced to login using a different account, it would appear that stuff was GONE, even though in actuality, it simply wasn't configure for default access by that account.

This can happen when the filesystem gets corrupted and that affects your default login profile.  That can happen for lots of reasons -- none of them actually preventable.

Wish I had more encouraging news, but I do not.