how to repair windows 10 operating system

What is the best free repair tool for Windows 10?

The Best Free Windows 10 Repair Tools to Fix Any Problem

1. IOBit Driver Booster. Windows 10 tries to handle driver updates, but it isn't perfect. ...
2. FixWin 10. FixWin 10 isn't just one of the best Windows 10 repair tools, it's portable! ...
3. Ultimate Windows Tweaker 4. Ultimate Windows Tweaker has the same developer as FixWin10 (The Windows Club). ...
4. Windows Repair. ...
5. Windows Repair Toolbox. ...
6. O&O ShutUp10. ...

How to fix Windows 10 not booting?

Windows 11/10 Boot Repair: Fix UEFI Boot Issue on Windows 11/10/8/7

• Method 1. Use Startup Repair for Windows 11/10 Boot Repair. ...
• Method 2. Use Diskpart to Fix UEFI Boot Error in Windows 11/10. ...
• Method 3. Change BIOS Settings. ...
• Method 4. Add Disk Driver to Repair Windows 11/10 Boot. ...
• Method 5. Change the SATA Mode for Windows 11/10 Startup Repair. ...

How to repair Windows 10 using automatic repair?

How to fix automatic repair loop in Windows 10

• Signs you ran into Windows automatic repair loop:
• Windows automatic repair loop fixes. Whether you’re dealing with a blue or black screen error message, the solutions for fixing Windows automatic repair loop error can vary significantly.
• Fixing automatic repair loop error on a blue screen. ...
• 2. ...
• Fixing automatic repair loop error on a black screen. ...

Why wont Windows 10 boot?

Some quick hardware fixes you can try include:

• Checking your power cables to confirm that they’re operating properly
• Checking the power supply switch to ensure that it’s on
• Plugging in the power cable properly into the power outlet or supply in case it has become loose

More items...

How do you repair an operating system?

Automatic RepairBoot into the recovery mode.Click Troubleshooting.Click Advanced Options.Click Startup Repair.Select the operating system.Select the Administrator account, if prompted to do so.Wait for the Automatic Repair process to finish.Click Shut down or Advanced options, once the process is complete.

How do I repair Windows 10 without a disk?

How do I reinstall Windows without a disk?Go to "Start" > "Settings" > "Update & Security" > "Recovery".Under "Reset this PC option", tap "Get Started".Choose "Remove everything" and then choose to "Remove files and clean the drive".Finally, click "Reset" to begin reinstalling Windows 10.

Does Windows 10 have a repair tool?

Answer: Yes, Windows 10 does have a built-in repair tool that helps you troubleshoot typical PC issues.

Can I reinstall Windows 10 for free?

If Windows 10 was previously installed and activated on your PC, you can reinstall Windows 10 at any time and it will not cost you anything ! You should just clean install Windows 10 rather than upgrading from a previous version of Windows.

How do I repair Windows 10 with command prompt?

Open Start. Search for Command Prompt, right-click the top result, and select the Run as administrator option. Type the following command to repair the Windows 10 image and press Enter: DISM /Online /Cleanup-Image /RestoreHealth Quick note: If the command appears stuck, this is normal behavior.

Method 1: Use Windows Startup Repair

If Windows 10 won't even boot up and take you to the login screen or the desktop, your first step should be to use Startup Repair. Here's how:1. Na...

Method 2: Use Windows Restore

1. Get to Windows 10's Advanced Startup Options menu.2. Click System Restore.The computer will reboot.3. Select your username.4. Enter your passwor...

Method 3: Perform A Disk Scan

Your Windows 10 problems may stem from a corrupt file. If you can boot into the operating system -- even if you have to boot into safe mode -- you...

Method 4: Reset Windows 10

If you want to get a clean start, free from rogue software and drivers, you usually don't need to do a full install. Instead, Windows 10 provides a...

Method 5: Reinstall Windows 10 from Scratch

If all else fails and you can't even reset your Windows computer, you can reinstall entirely. You won't even need an activation number or any proof...

How do I repair corrupted Windows 10?

To repair corrupted system files in Windows 10, you can use Windows DISM tool and SFC tool to do it. The detailed guide is attached in Fix 2 in thi...

How do I repair Windows 10 with Command Prompt?

You can open elevated Command Prompt Windows 10, and use SFC Scannow, DISM command, CHKDSK, BooRec Commands to repair Windows 10 corrupted system f...

How do I repair Windows 10 with USB?

You can create a Windows 10 repair boot USB with Windows built-in Backup and Restore feature or using third-party Windows 10 backup and recovery to...

Can you still upgrade to Windows 10 for free?

No. The free upgrade offer for Windows 10 ends at December 31, 2017. Now you need to pay up at least $119 to get a Windows license. But you still h...

What is Windows 10 startup repair?

Startup Repair Windows 10 is designed to help users to fix problems that keep Windows 10 from loading. You can use this best free Windows 10 repair tool to fix most Windows 10 boot/startup issues. Check the step-by-step guide below.

What is the tool to repair Windows 10 startup issues?

You can also use Microsoft Bootrec.exe tool to repair Windows 10 startup issues.

How to reinstall Windows 10 while keeping files?

Keep my files -> Change Settings -> Preinstalled apps (On): This option will reinstall Windows 10 while keeping your personal files and restoring any apps preinstalled in your Windows 10 PC by manufacturer. It will remove apps, drivers you installed, and remove changes you made to settings.

What happens if all the measures don't work for Windows 10 repair?

If all the measures don’t work for the Windows 10 repair, then the last draw is to reinstall the Windows 10 entirely.

How to use SFC to repair Windows 10?

Step 1. Open Windows Command Prompt. To use SFC to repair Windows 10, you need to first access Windows Command Prompt.

What is SFC in Windows 10?

SFC is a lightweight Windows 10 repair tool. There is a chance that it may not be able to fix some corrupt files.

How to run cmd as administrator?

You can press Windows + R key on the keyboard -> Input cmd in the Run window, and hit Enter -> Click Yes to run Command Prompt as administrator.

How to fix corrupted files in Windows 10?

If you can boot Windows 10 or safe mode, you can type “cmd” in the search box. 2. Right click on the result Command Prompt and select Run as Administrator. 3. Type “sfc /scannow” (without quotes) and press Enter.

How to reset a Windows 10 computer?

You can go to Settings > Update&Security >Recovery > Reset this PC.

How to restore Windows 10 to factory settings?

1. Boot into Windows 10 recovery mode and navigate to Advanced Option menu. 2. Select the option System Restore. 3. Select your username and enter your password. 4. Select a restore point from the list, and click Next to start the System Restore. Before you start the System Restore, you can scan for affected programs.

What to do when Windows 10 cannot boot?

When Windows 10 cannot boot normally, you can use Startup Repair to fix Windows loading problems.

How to backup a file at a certain time?

If you want the backup to run at certain time point or event, just click the Schedule link down the button to configure one. Then click Start Backup to start the backup. When the backup is done, you can create a bootable media with a USB drive or CD/DVD.

How to refresh Windows 10?

If you want to refresh Windows 10 and install Windows updates, you can run a command “systemreset -cleanpc” from an elevated command prompt .

How to install Windows 10 on a virtual drive?

1. Download the latest Windows 10 installation ISO file and save it on your hard drive. 2. Double-click on this ISO file to mount it as a virtual drive. (Windows 7 or older version of Windows will have to use third party tool to mount an ISO file) 3. Locate the Setup.exe file and double-click to run it.

How to repair a corrupted file?

To repair the corrupted files manually , view details of the System File Checker process to find the corrupted file, and then manually replace the corrupted file with a known good copy of the file.

What to do if Windows Update client is broken?

However, if your Windows Update client is already broken, use a running Windows installation as the repair source, or use a Windows side-by-side folder from a network share or from a removable media, such as the Windows DVD, as the source of the files . To do this, run the following command instead:

How to make sure a system file is a good copy?

You may perform a System File Checker process on that computer to make sure the system file that you intend to copy is a good copy. Take administrative ownership of the corrupted system file. To do this, at an elevated command prompt, copy and then paste (or type) the following command, and then press ENTER:

Can Windows Resource Protection perform the requested operation?

Windows Resource Protection could not perform the requested operation.

What Can’t an In-Place Upgrade Repair Install Fix?

This process takes such a short amount of time to complete, I’ve made it a part of my standard troubleshooting sequence. Unless I’m troubleshooting hardware or device driver issues – which this repair may not fix if it’s driver related, and can’t fix if it’s hardware-caused – I’ve found this repair to be as close to a “silver bullet” for handling pesky or complex Windows problems as it ever gets. And because it doesn’t take too long to give it a try, you won’t be that far behind the curve even if it doesn’t work. My own experience is that this repair handles 90-plus percent of the problems I run into and can’t fix in less than half an hour. Hopefully, your experience will be the same!

Where to get Windows 10 ISO?

There are several ways to get a Windows 10 install ISO, but the easiest comes directly from Microsoft’s download page.

What happens when you fire off setup.exe?

Once you fire off setup.exe, it’s just like all other Windows upgrades. It starts off with downloading and manipulating a set of files for the new OS version, while the old OS keeps running. Then you’re asked to reboot your PC, after which a Windows Preinstallation Environment, aka WinPE, takes over to handle the rest of the install process, during which at least two more reboots will occur. Eventually, you’ll have a repaired OS at your disposal. Hopefully, the trouble you’ve been trying to shoot will also be cleared away, as if by magic.

How long does it take to download Windows 21h1.iso?

By default this creates a file named Windows.iso; as before I name mine Windows21H1.iso so I can identify the version later on. This process takes a while. On my 2016 vintage i7 Skylake PC, it takes around 5 minutes to download and process the necessary data, and leave the ISO file behind in its designated storage location. After the download is complete, the MCT verifies the file structure (this is included in the 5-minute timeframe). When it’s complete it will show you the full path where the new ISO file now resides, like this:

How do I repair Windows 10 with command prompt?

When the error is too serious, you can run advanced repair like system restore. For Windows 10, you can also use DISM command line utility to repair Windows 10 image.

How to repair Windows 10 with SFC?

To repair Windows 10 using SFC with detailed steps: 1. Open "Start", search for the Command Prompt, select it and run as administrator. 2. Then type the command: "sfc /scannow" and press "Enter".

What to do if SFC is unable to fix?

If SFC is unable to fix the problem, probably the utility cannot get the necessary files from the Windows image, which might have become broken. In this situation, you can use DISM to repair the Windows image.

What is SFC in Windows 10?

SFC (System File Checker) is a command-line utility that can scan for corruption in Windows system files and replace any corrupted or missing protected system files with a known good version. When you feel buggy with your computer or notice problems during boot, you can use SFC to diagnose problems and repair it.

How to get into safe mode on Windows 10?

1. Start your computer and press "F8" repeatedly until the Windows advanced options menu appears. 2. Click "Safe Mode with command prompt"and press "Enter". If your computer can boot normally, type "cmd"in the search box and click "Command Prompt"to continue. 3. Sign in using an administrator account if needed.

Can you use Aomei Backupper Technician to protect unlimited computers?

If you want to protect unlimited computers within your company, you can pick AOMEI Backupper Technician. You will be surprised to find that it enables you to copy the installation directory for portable version creation. Don't hesitate to try it out!

Can you repair Windows 10 with aomei.exe?

Besides system restore, you can also repair Windows 10 with AOMEI.exe. AOMEI Backupper is reliable backup and restore software that deserves a try.

How to restore computer to previous state?

To restore the operating system to an earlier point in time, follow these steps: Click Start, type system restore in the Start Search box, and then click System Restore in the Programs list.

What is system restore?

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.

How to run system file checker?

To run the System File Checker tool, follow these steps: Click Start, and then type cmd in the Start Search box. Right-click cm d in the Programs list, and then click Run as administrator. If you are prompted for an administrator password or confirmation, type your password or click Continue.

What to do when scan is complete?

When the scan is complete, test to see whether the issue that you are experiencing is resolved. If the issue that you are experiencing is not resolved, use the procedure that is described in the "The System Restore tool" section.

How to run a program as administrator?

Right-click cmdin the Programslist, and then click Run as administrator.

How to fix a broken laptop?

1. Turn on your machine and boot it from a Windows installation media. In the “Install now”screen, click on “Repair your computer”. 2. Click on “Troubleshoot” > “Advanced Options” > “Command Prompt”. 3. In Command Prompt window, type the following commands and press “Enter” after each one:

Why is the computer saying no operating system found?

Have you ever met the “operating system not found” or “missing operating system” error on your Windows 10, especially the HP, Sony, Acer, Lenovo computer? It would prevent you from booting Windows successfully . Before attempting to fix this error, first you should figure out why the message occurres. There are some reasons for operating system missing or not found in Windows 10:

How to check if a hard drive is working?

2. Press the Power button to start the computer and repeatedly press the F10 key to enter the BIOS Setup menu. 3. Use the Right Arrow or Left Arrow keys to navigate to the “Primary Hard Drive Self Test” option . Depending on your BIOS, this may be found below Diagnostics or Tools. 4.

How to get BIOS to open on Windows 10?

1. Press F10/F12 key while turning on the Windows 10 computer and release F10/F12 when the BIOS SETUP UTILITY shows up.

What happens if my hard drive is not recognized?

If the system hard disk cannot be recognized by Windows 10, the “Operating System not found” error will pop out and interrupt the Windows 10 startup process. Check the BIOS settings to make sure the BIOS whether detect the hard disk or not, then determine if the hard disk is damaged.

What is the AOMEI partition assistant?

If you don’t have the Windows installation media to access the Command Prompt, you can turn to the AOMEI Partition Assistant Standard. It allows you to create a Windows PE bootable media, and rebuild the damaged MBR easily. Specific steps are listed as following: