heres what you do on the working windows file
1:Download rufus
2: download windows 10 8 7 using microsoft or webforpc The file will have a .iso at the end of it.
3: have a usb 6gb or bigger.
4 put the usb in your computer launch rufus
5 click NTFS Then click MBR For partition scheme
6 then select the ISO File from the Computer
7 Click ready and wait
8 Turn off your computer that is not working press one of these keys on your board before it trys to load windows F9 F8 F10 F11 F12
try all of these not at once and a time and you will see a button called usb boot or something similar
to it
click it or the usb name
and it will boot into the install of windows
9 click get started
10 accept
11 Custom install
12 delete everything from your hard drive
13 click next
and wait after that you should have a working copy of windows 10 8 or 7
if you have it its a in windows program. you can put windows ISO's to rufus and a it will put it on a usb and you can reinstall windows
you need to have a working copy of windows to do it. if you have a friend that can let you use their computer. mom or dad or someone else it would work. your hard drive is most likely fine. windows misreads a lot of disk errors.
if you know a friend or someone who has a computer.
get a usb 6 gb or bigger
get a program called
rufus
download windows from
https://www.Webforpc.com
or go to Microsoft's site and get a legit copy there by using the mediacreation tool.
then put it on the usb
boot it and reinstall