New
#21
Try to make backup as soon as possible. And/or copy import stuff to external disk.
You're harddisk is dying!!! A reinstall won't solve that... it's an hardware error.
Do it asap..don't wait!
Very theoretically it can be a virus... but even from recovery environment it takes hours to simply chkdsk.
Buy a new disk. windows 7 home premium you have(?) Is it 64bits? english version?
You have a valid product key (look for COA sticker [Certicate Of Authenticity] somewhere on laptop)?
English: Windows 7 Home Premium x86 SP1 (32bits) X17-58996.iso
English: Windows 7 Home Premium x64 SP1 (64bits) X17-58997.iso
Just burn the ISO to DVD (on a good working machine). Boot from it on sick machine and install win7. Clean Install Windows 7
Install missing drivers from windows update, or manufacturer site. Check "device manager" for "other devices"
Device Manager - Finding Unknown Devices
Hardware Identification
Restore files from backup