Boot data missing or contains errors

[Throatpunch1]

So, i got a new battery recently and i thought everything was fine and dandy (the laptop is 7 years old if that help) but then i turn my laptop on one day to do some homework and its blue screened what do i do?View attachment 71546

 

[axe0]

Looks like the drive may be bad. I suggest to run SeaTools to confirm.
SeaTools for DOS and Windows - How to Use - Windows 7 Help Forums

If the drive is indeed bad, replace the drive but don't get rid of the drive yet. You can still use the drive afterwards to retrieve your data.