Looks like some hardware issue.
Get the hard disk out, put it in an external enclosure and copy what you didn't yet backup to another PC. No guarantees.
hello im new on here. i hope this is in the right spot..... anyways... i have a an hp envy dv6-7211nr laptop was running just fine was updated to windows 10..... then one day i try to boot it up and it says starting auto repair anfter that it goes to a black screen and sits there... so i let it sit all day with the hopes something is happening... well nothing happened... i have tried holding f11 at boot to get restore options.. when i try that it says please wait then does nothing... i have tried using f8 to bring up boot options that does nothing either.....f2 does bring up bios but nothing i can do from there.. that i know of... ok so from here i would love to fix it and keep using it.... but if i cant i want to at least try to recover the pics i had of it.... please any help would be great... thanks evrybody...