No, it's just an HP Envy m4 - about 5 years old - was off the shelf. And thanks so much for your help, I really appreciate it. I spoke to Staples and they said it would cost about $130 to fix it. ...

I did that scan - "Windows Resource Protection did not find any integrity violations"

Installed Win10 and have the following problems.

1) I have no sound; Sound icon on task bars says "No audio Output Device Installed." When I run troubleshooter, it says Troubleshooting couldn't...