In Windows 10, there are two backup tools including File History, Windows Backup and Restore (Windows 7). File History helps you to back up files from libraries, desktop, contacts, and favorites. And you can back up Windows OS or specify any file on the entire hard drive to back up with the latter tool.

However, Windows 10 backup failed issue always happens due to some reason. When backing up PC, you may find Windows backup 0 bytes, File History not running automatically, Windows backup stuck, etc.

If your Windows 10 operating system runs into a problem, it may slow down your computer even prevent the PC from working normally, what will you do to get rid of the issue?

Usually, your first choice is to search on the internet to find a solution. If you are lucky enough, you may successfully fix Windows issue. However, at most times, the problem may still exist even after trying all possible methods.

Then, the only effective solution is to reinstall Windows 10. Even, it is the last thing you have to do, which can make your PC go back to the normal working state.

However, Windows reinstallation may sacrifice your data and applications on your drive. Besides, you may think it is a bit difficult, especially when there is no an installation CD or USB.

In the following part, we will tell you how to install Windows 10 in 2 cases: reinstall Windows 10 without CD or USB drive and reinstall Windows 10 from USB drive or with CD disc.

On the desktop of your computer, you may find a message saying:

“Windows 7

Build 7601

This copy of Windows is not genuine”

In fact, this issue always happens in Build 7601 and 7600. And you can see the wallpaper is converted into the black screen. More seriously, this issue may have an influence on the computer performance. This is annoying.

In this following part, we will give you 4 helpful methods to fix this problem in Windows 7.

Why you cannot create partition from unallocated space? This post will give you the explanation and give you the solution to this problem.Have you ever met this problem when you want to create partition from unallocated space? A computer user has asked for help on the Internet since he has suffered the partition error when he wanted to create a partition from unallocated space.

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