Non-destructive Reinstallation Requirements in Windows 7

Well talking about the Reinstallation for your windows 7 so that you can easily use it again without any problems. So it is not so complicated, please make sure of few things that you follow before reinstalling windows 7 to your pc.

  1. Windows must be running in normal mode (not in Safe Mode) and you must have administrative rights. Booting from installation DVD will not perform the non-destructive install.
  2. If your computer is unable to start Windows normally, boot into Safe Mode and use it to enable Clean Boot mode. If Windows runs flawlessly in Clean Boot mode, then some third-party software or driver is causing the stability problems.
  3. In case this method fails, follow instructions in the Recover files using Puppy Linux article. After recovering files, you must reinstall Windows Vista or 7, drivers and programs, and then copy your documents from the backup media you used earlier. This is the hard way in case Windows Vista or 7 does not start at all.
  4. Windows installation or upgrade media (DVD). Manufacturers’ Recovery DVD-s will not help here – they delete and reinstall everything! Custom slipstreamed DVD-s (for example, created with vLite) often cause errors, so please do not use these. Also, OEM media (the customized Windows install DVD that came with your PC) might cause errors, such as “Windows 7 Professional cannot be upgraded to Windows 7 Professional”.
  5. Windows Product Key is a must. This has to be the same key that was used to install the Windows you are reinstalling.
  6. If you bought Windows Vista or 7 from a shop, the sticker is somewhere in the retail box or jewel case. You must look for a valid windows 7 key
  7. For online purchases, find the email with your Windows 7 Product Key.
  8. In case Windows came preinstalled on your computer, look for the key sticker on the side or top of desktop case, or on the back of laptop case. For some laptops (several Dells, for example), you need to remove battery to see the sticker.
  9. In case your installation media does not include the currently installed Windows Vista or 7 Service Pack, you might need to uninstall the Service Pack first by opening Control Panel, clicking Uninstall a program or Programs and Features, selecting View installed updates on the left and uninstalling an item named Windows Service Pack.
  10. Windows Vista requires at least 15 gigabytes (GB) of available disk space on system drive.
  11. Windows 7 needs at least 16 GB of free disk space for 32-bit (x86) editions, or 20 gigabytes for 64-bit (x64) editions.
  12. You can see the Free up disk space and Remove temporary and duplicate files with CCleaner articles for guidance on gaining more disk space on your PC.
  13. Also, temporarily moving your documents, photos, videos and other personal files to another drive significantly reduces the time required for the non-destructive reinstallation to complete.
  14. If you can download the correct ISO file, a blank DVD is required for Windows installation media. The media will be formatted and all data on it will be lost. You’ve been warned.
  15. While there is very little possibility of complete and unrecoverable failure during the repair install, you might require some extra assurance.

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