Windows 10: Booting to black screen with cursor

Hello and thank you all for any help or ideas. In general, on startup my computer is 'scanning and repairing' drives, then booting into a black screen with cursor. I don't have a pc easily available to install usb boot programs but have tried a couple thus far. Refreshing or restoring are not good options for me because i am afraid i will loose much of my software licensed to me long ago from school, which is more valuable than the computer. Figured Id ask around before taking it in. Here are the details..

HP dv7t-7000 notebook from 2012 running windows 7
Intel core i7-3720QM cpu @2.6ghz
8192 mb ram
Hdd are two ATA
Bios id f.13

6 weeks ago it auto updated to windows 10 build 7600
1 week ago it started having trouble starting up
-i believe it said something about 'initialize error' on startup screen and went into 'windows repair' for some time.
After that on startup it will briefly say 'disk checking' then 'scanning and repairing drive:' d, sometimes c, and (\\?\volume.. then the windows startup login sound but just a black screen with movable cursor.
I had read that this can be a driver issue, so i have tried logging in blind, clicking around, switching the screen projection, and leaving it over night all multiple times to no avail, just the black screen.

Tried multiple cold boots

Booting into safe mode gives me black screen with cursor and safe mode text in the corners but nothing more.
Safe mode with command brings same but with 'hp recovery manager' window which upon exiting only reboots or turns off.

'Hp recovery manager' window cannot find any system restore points even though I created one just days before this began.

Booting into hp advanced system diagnostics: ran multiple start-up, run-in, system tune up, hard disk, memory and battery tests, all came back good.

Booting into advanced system startup: no restore points, tried to roll back to last build but recieved error, system repair yields nothing new. System refreshing or restoring are not my favorite options right now.

(via these instructions: youtube.com/watch?v=oopiaiVLn9k ) Booted through usb to windows 10 media creation tool, repair my computer, command prompt, commands:
C:
bcdedit /set {default} bootmenupolicy legacy
But i recieved an error

Booted through usb memtest86, ran three times with many passes, found zero errors.

Soon i will try lighting some candles and performing an exorcism.

Hoping to hear something I have overlooked. What do you guys think?
Thanks again,
Elliott

:)

 

Windows 10 June 2017 Update KB4022405 ISSUES

P.S. re: Cursor---When I boot from the Boot Media flash drive, I initially see a blinking white cursor at the top left of a black screen, but no cursor on the blue screen.

 

Windo.ws 10 downloaded and installed and upon restart boot stopped at black screen and blinking cursor

Any resource for how to get from black screen and blinking cursor after Windows 10 upgrade download and install? Upon boot up screen is now black with the blinking cursor top left

 

Please try to upgrade again, this is basically the same as a clean installation except that you keep all your stuff *Smile
Folllow the tutorial carefully.
Windows 10 - Upgrade Installation - Windows 10 Forums

 

Thanks, I think i will give it a try tomorrow.