Run EaseUS partition manager software. On the disk map, right-click the traget partition and choose "Advanced". Step 2. Then, select "Set Active" from the drop-down menu. The software will automatically execute the operation and create an active partition for you. All effective solutions to the "Missing Operating System" or "Operating system not found" error are carefully presented on this page.
You may try any one of the methods to resolve the issue and get a healthy Windows system back and continue using your computer again. Gemma is member of EaseUS team and has been committed to creating valuable content in fields about file recovery, partition management, and data backup etc for many years. She loves to help users solve various types of computer related issues.
Daisy is the Senior editor of the writing team for EaseUS. She has been working in EaseUS for over ten years, starting from a technical writer to a team leader of the content group. As a professional author for over 10 years, she writes a lot to help people overcome their tech troubles. It makes it way easier to play out what will happen after you've made all the changes. I also think the overall look and feel of EaseUS Partition Master Free makes whatever you're doing with your computer's partitions easy.
Partition Master Free can Resize, Move, Merge, Migrate, and Copy disks or partitions; convert to local, change label, defragment, check and explore partition; and much more. A premium upgrade adds free tech support and the ability to resize dynamic volumes. It won't hot image your drives or align them, but since it's coupled with a partition manager, it allows you do perform many tasks at once, instead of just cloning drives.
You can move partitions around, resize them, defragment, and more, along with the other tools you'd expect from a cloning tool. Your Guide Is Here. The System Restore tool uses restore points to return system files and settings to an earlier point in time.
You can use it to restore the operating system to a point in time in which you did not experience the issue. When you use System Restore to restore the computer to a previous state, programs and updates that you installed are removed. To restore the operating system to an earlier point in time, follow these steps:.
In the System Restore dialog box, click Choose a different restore point , and then click Next. In the list of restore points, click a restore point that was created before you began to experience the issue, and then click Next. Click Finish. The computer restarts, and the system files and settings are returned to the state that they were in at the time that the restore point was created.
Need more help? Expand your skills. Get new features first. Was this information helpful? Yes No. Thank you! Any more feedback? Let the software scan the selected disk to find all the files and folders. Step 3. Preview and choose the files you want. Click the "Recover" button to save them to a safe place. You'd better choose a different drive to avoid data overwriting.
After data recovery, you can continue using the following solutions to repair the corrupted Windows system. Before repairing, you must make sure that it is not physical damage or hardware damage that causes the crash or corruption. Then, you can fix the corrupted system according to the causes above.
When hard disk drive gets damaged or corrupted, it may cause system corruption. System corruptions also happen after Windows 10 update. And the reason might be an incompatibility of hardware and drivers. To correct it, just update all device drivers. System File Checker is a utility in Windows that allows users to scan for corruptions in Windows system files and restore corrupted files. Follow the step-by-step instruction provided here to use the System System File Checker tool to scan system files and repair missing or corrupted system files.
If the System File Checker couldn't fix one or more files, you need to take system restore or a Windows clean install into account. Before you start, back up data without booting into Windows. You can make sure that your data is safe. You may not be able to get into the normal Windows OS, you'll need the help of other tools. And you can back up data to an external hard drive or your cloud.
You'll need to boot your unbootable computer through this emergency disk to make a full backup. Switch to the USB option when choose a boot disk location, and then click Create. When it's done, insert this emergency disk to the computer that needs backing up. Change the boot sequence, and then start the computer and run EaseUS backup software from the bootable disk.
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