Each operating system needs an occasional repair work, and Windows 7 is no exception. If the source of the problem of corrupt data, very brutal piece of malware, or some other problem that seriously, you sometimes have to install your copy of Windows.
Wipe your hard drive and perform a new installation can be a major headache; but luckily there are ways to repair the installation of Windows 7 are corrupt while keeping all Your programs, personal data and the user account intact. With Windows 7, you can perform the installation of in-place upgrade to repair the existing installation of the flakes. Although technically designed to upgrade older Windows operating system like Vista, the upgrade installation option in place can also be used to repair the existing installation of Windows 7.
Installing in-place Upgrade involves several stages, starting by copying the installation files for the destination drive and existing files and settings.
Note that you must perform in-place upgrade process from within Windows; If your PC is not able to fully boot into the Windows desktop, repair guide is not for you. Some other limitations come later in the article, so be sure to read the entire guide thoroughly before attempting to fix a corrupt copy of Windows 7. Do a repair installation should be your last resort, and You have to take into account only if you have system restore.
Before doing a repair installation, you must take several precautions to ensure that the process runs smoothly. The first step is to back up all important files to external storage devices. Although the process of improvement is not possible to fail or to create one file you solve, it is always a smart idea to make a backup of your data.