Besides, different brands of computer have different backup and recovery tools. But some of them are complicated to use for newbies, or do not working on the latest operating systems. Most computers are shipped with some kinds of backup and recovery tools preinstalled, such as Lenovo OneKey Recovery, Dell Backup and Recovery Manager, HP Recovery Manager and so on. If you never take a system backup, you will lose critical data or have a lengthy (and possibly unnecessary) Windows reinstallation.
Your computer might be unable to boot properly because of system crash or hardware failure.
