how to repair boot files windows 10

[Solution] Fix UEFI Boot Error Windows 10

1. Method 1. Use Startup Repair for Windows 10 Boot Repair. Windows Automatic Repair is a built-in tool for users to apply and try to fix some normal errors on Windows ...
2. Method 2. Use Diskpart to Fix UEFI Boot Error in Windows 10. Insert Windows 10/8/7 installation disk or installation USB into PC > boot from the disk or USB. ...
3. Method 3. Change BIOS Settings. You need to select the boot mode according to the type of disk on your system. ...

Full Answer

How to fix Windows 10 won't boot?

[Solution] Windows 10 Wont Boot

1. Firstly, you need to access the Startup Repair tool on Windows. To do this, turn your system on and off three...
2. After doing it three times, Windows will detect a problem and load the troubleshooting interface. As you will get the...
3. From the next screen, you need to select the Troubleshoot option to fix Windows 10 won't boot.
4. This will provide a few troubleshooting options on the screen. You can click on the "Advanced Options" to continue.

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How to boot into recovery mode in Windows 10?

You can use Command Prompt to boot Windows 10 into recovery mode, as follows:

1. Launch Command Prompt through the Windows Search bar, as shown.
2. Type the command: shutdown.exe /r /o and hit Enter to execute.
3. Confirm the prompt stating You’re about to be signed out to proceed into Windows RE.

How to fix no bootable device Windows 10?

Top 5 Ways to Fix No Bootable Device Error on Windows 10

1. Check Your Boot Order and BIOS Settings. A misconfigured boot order can redirect your computer to load from the wrong drive. ...
2. Disconnect Then Reconnect External Devices. Loose or damaged peripherals are a major cause of the no bootable device error. ...
3. Fix MBR Boot Information. ...
4. Use SFC to Scan for Corrupt Files. ...
5. Set Primary Partition to Active. ...

How do I fix corrupt files on Windows 10?

To repair damaged system files on Windows 10 manually, use these steps:

• Open Start.
• Search for Command Prompt, right-click the top result, and select the Run as administrator option.
• Type the following command to take ownership of the corrupted files and press Enter: takeown /f C:\PATH\TO\FILE In the command, replace C:\PATH\TO\FILE with the actual path to the file that ...

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How do I fix a corrupted boot Windows 10?

Here's how:Navigate to the Windows 10 Advanced Startup Options menu. ... Once your computer has booted, select Troubleshoot.And then you'll need to click Advanced options.Click Startup Repair.Complete step 1 from the previous method to get to Windows 10's Advanced Startup Options menu.Click System Restore.More items...•

How do I fix Windows 10 boot configuration data is missing?

Do as the following steps:Go to Repair your computer>Troubleshoot > Advanced options> Command Prompt.Repair MBR by running the following commands: ● bootrec.exe /fixmbr. ● bootrec.exe /fixboot. ● bootrec.exe /scanos. ● bootrec.exe /rebuildbcd. ... Restart your computer.

What are the 4 ways to fix Windows 10 startup?

Four of the top approaches for solving Windows 10 boot problems are launching the Startup Repair tool, repairing the Master Boot Record (MBR), scanning the system for corrupt or missing files, and running the Deployment Image Servicing and Management (DISM) tool.

How do I rebuild a BCD file?

To do this, please follow the steps below.Press F8 during your computer's startup (before starting Windows). ... Select the operating system you want to repair, click next.In the system recovery options, click "Command Prompt".Type at the prompt, Bootrec / RebuildBcd, and then press enter.

How do I fix a corrupted boot file?

Next, follow these steps:Insert your installation media into the computer.Boot to the media. ... Click Next on the Windows Setup menu.Click "Repair your computer."Choose Troubleshoot.Select "Advanced options."Pick "Command Prompt."Type Bootrec /fixmbr and press the enter key.More items...•

How do I fix boot manager missing?

Select Repair your computer. In the System Recovery Options dialog box, select the drive of your Windows installation, and then select Next. In the System Recovery Options dialog box, select System Restore. Follow the System Restore Wizard instructions and select the appropriate restore point.

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.

How do I reinstall Windows Boot Manager?

Reinstall Your Windows Boot Loader From the Windows DVD You can usually access by pressing the F2, F10, or Delete key on the initial boot screen, depending on your computer. Save the changes and reboot your computer from the Windows DVD. After a few moments, you should see the install setup screen.

How do I fix Windows boot manager without disk?

Reboot your PC, and each time you see the Windows logo while booting, turn your PC off by hard shutdown. Repeat this 3 times & you should enter the Windows Recovery Environment (WRE) to do System Restore. If that won't work, go to Advanced options > select "Automatic Repair".

What causes boot BCD error?

One of the most common causes of this error is the BCD that became missing or corrupt. That could happen because of disk write errors, power outages, boot sector viruses, or errors made while configuring the BCD manually.

Does Fixboot erase data?

If you use the "fixmbr" command from the Recovery Console there should be no danger of data loss. The only circumstances under which that might arise would be if the command altered the Partition Table - it will only do that if the Partition Table is corrupt, and then it will warn you before making any changes.

What is the BCDEdit command?

BCDEdit is a command-line tool for managing BCD. It can be used for a variety of purposes, including creating new stores, modifying existing stores, and adding boot menu options.

How do I fix Windows error recovery without CD?

Click on Repair your computer after selecting a language, time and keyboard method. Select the drive where you installed Windows (usually C:\ ) and click Next. Select System Restore from the System Recovery Options window. Follow the System Restore wizard instructions to select a restore point.

Where is the BCD file in Windows 10?

Where is the BCD file in Windows 10? It is stored in a file in folder “\Boot”. The full path to this file is “[active partition]\Boot\BCD”. For UEFI boot, the BCD file is located at /EFI/Microsoft/Boot/BCD on the EFI System Partition.

Where is the boot configuration data store?

Boot Configuration Data is stored in a data file that has the same format as Windows Registry hives and is eventually mounted at registry key [HKEY_LOCAL_MACHINE\BCD00000] (with restricted permissions). For UEFI boot, the file is located at /EFI/Microsoft/Boot/BCD on the EFI System Partition.

How do I fix EFI Microsoft boot BCD?

File :\EFI\Microsoft\Boot\BCD Error code: 0xc0000034Insert the Windows installation disc in the disc drive or connect USB media and then start the computer.Press a key when you are prompted.Select a language, a time, a currency, a keyboard or an input method, and then click Next.Click Repair your computer.More items...

1. How do you repair Windows 10 if it does not boot?

For Windows 10 UEFI boot repair, you can perform an automatic startup repair or using command prompt to complete. The step-by-step instructions are...

2. How do I repair Win10?

To repair Windows 10 boot, you can use the Startup Repair tool. To access Windows 10 recovery environment, turn your computer on and off three time...

3. How can I repair the Windows 10 UEFI bootloader?

To fix Windows 10 UEFI boot problem:Insert the Media (DVD/USB) in your PC and restartBoot from the mediaSelect Repair Your ComputerSelect Troublesh...

4. How do I fix a boot startup problem?

To do Windows 10 startup repair and repair your EFI Bootloader, there are many effective solutions to different problems. You can:Use the Startup R...

How to use startup repair?

While in the Advanced startup environment, use the following steps to use Startup Repair: Click the Troubleshoot button. Click the Advanced options button. Click the Startup Repair button. Select your account. Type your account password. Click the Continue button. Quick Tip: If your computer is loading correctly, using this tool, ...

Why is my computer saying "Start Repair couldn't repair my PC"?

Quick Tip: If your computer is loading correctly, using this tool, you'll get the "Start Repair couldn't repair your PC" message because there's nothing that needs fixing. Once you've completed the steps, the Start Repair feature will proceed to scan, detect, and fix any problems that may prevent your device from loading correctly.

How to fix a computer that won't start?

While in the Advanced startup environment, use the following steps to use Startup Repair: 1 Click the Troubleshoot button. 2 Click the Advanced options button. 3 Click the Startup Repair button. 4 Select your account. 5 Type your account password. 6 Click the Continue button.#N#Quick Tip: If your computer is loading correctly, using this tool, you'll get the "Start Repair couldn't repair your PC" message because there's nothing that needs fixing.

How to stop boot sequence?

As soon as the Windows logo appears on your screen, press the power button. (This will immediately interrupt the boot sequence.)

Where is the repair link on my computer?

Click the Repair your computer link in the bottom-right corner.

How to fix a loading problem?

If you have access to the desktop, you can use these steps to access the recovery environment to use the Startup Repair tool: Open Settings. Click on Update & Security. Click on Recovery. Under the "Advanced startup" section , click the Restart now button. After completing the steps, you can now continue with the steps below to fix loading problems ...

How to repair Windows 10?

To repair Windows 10 boot, you can use the Startup Repair tool. To access Windows 10 recovery environment, turn your computer on and off three times. While booting, ensure you turn off the computer when you see the Windows logo. After the third time, Windows 10 will boot into diagnostics mode. Click "Advanced options" when the recovery screen appears. Then, choose "Startup Repair" and follow the on-screen institutions to do it.

Why does Windows 10 not boot?

Sometimes, Windows 10 fails to boot because there is a problem with the master boot record. In these cases, the master boot record needs to be repaired to restart and run. When you want to do Windows 10 startup repair, you can use the Windows 10 recovery environment includes an automatic option to accomplish this task.

How to repair Windows 10 after third time?

After the third time, Windows 10 will boot into diagnostics mode. Click "Advanced options" when the recovery screen appears. Then, choose "Startup Repair" and follow the on-screen institutions to do it.

What is Windows auto repair?

Windows Automatic Repair is a built-in tool for users to apply and try to fix some normal errors on Windows PC. And you may also try this method to repair Windows 10, 8 or 7 UEFI/EFI boot error:

When to enter exit in a repair?

Enter exit when the repair process completes.

How to run diskpart command?

Choose Command Prompt from the menu and use the dispart command lines: Type and run the command: diskpart. Type and run the command: sel disk 0. Type and run the command: list vol

How to boot from USB drive?

Be sure to set up your BIOS to let the machine boot from the USB drive. 1. After booting into setup, choose “Troubleshoot” > “Advanced options” > “Command Prompt”. 2. Once you’ve Command Prompt up on your screen, you must issue a set of commands to find and solve the issues that prevent your PC from normal boot. 3.

How to fix a computer that won't turn on?

After entering the Windows Setup screen, choose the language, time, and keyboard or input method and hit “Next” to proceed. 2. Click on “Repair your computer” on the lower left side of the screen. 3. Then, you’ll be navigated to the advanced startup screen.

Why won't my computer start up Windows 10?

The cause of Windows 10 not booting. Very often, users on the Internet complain about their Windows 10 computers won’t start as usual. Sometimes, it shows a blue screen or a black screen, or a message of incorrect loading and a boot failure error.

Can I rebuild my MBR?

If you think method 1 is too complex and are looking for an easier way to fix boot Windows 10, maybe it’s time to rebuild MBR with some third-party app once for all. AOMEI Partition Assistant Standard, as disk manager freeware, is able to manage all your disks and partitions on your PC with ease. Features including GPT-MBR conversion and damaged hard drive fixing are also available. Most importantly, if your system doesn’t successfully boot, you can use it to rebuild MBR to make it normal .

How to fix bootloader?

Step 1: Open the Troubleshoot window . When you open the Automatic repair window, select the "Ad vanced options" button . Now, it will open a window where you will get an option to choose the "Troubleshoot" option. Note that, when your Windows cannot automatically repair the bootloader, then it gives an "Advanced Options" button ...

How to rebuild a BCD file?

Now, it's time to run the REBUILDBCD command. For that, write BOOTREC/REBUILDBCD and hit the enter button. It will rebuild the BCD file and also eliminate the possible issues.

What is ESP boot loader?

In an Operating system, the boot loader works as a component that authenticates a complete booting for operators while they turn their PC ON.

Why is EFI boot loader important?

EFI boot loader ensures that the essential programs are active and ready for use ahead of the booting.

Can UEFI bootloader be broken?

In short, repairing the EFI bootloader in Windows 10 is an easy process. All you have to do is follow the two solutions given in this post. Remember, if your UEFI becomes corrupted or gets damaged, then it will affect the bootloader and also break them. A broken bootloader further affects your Windows, making it fail to reboot.

How to Automatically Repair Windows Bootloader?

If this error appears, first of all, try to fix the problem with booting the OS using the Startup Repair mode that can be started from the Windows Recovery Environment (Windows RE).

What does it mean when MBR is corrupted?

If the MBR is corrupted, there may be a “ No operating system found ” error.

What to do if drive letter is not assigned to system reserved partition?

If the drive letter is not assigned to the System Reserved partition (by default), you can assign it yourself using diskpart. Run: diskpart

Why "Boot Configuration Data file is missing" error occur?

If the file is damaged, apart from 0xc0000034 error, a similar boot BCD error in Windows 10 like “ The Boot Configuration Data for your PC is missing or contains errors . The reasons that can cause damage BCD file and make the error – The Boot Configuration Data file is missing some required information are listed below:

How to install Windows 10 on a computer?

1. Insert the Windows 10 installation disc into your computer and boot from it. 2. When Windows is loading files… and Starting Windows screens finish, choose a language, a time, a currency, and a keyboard or another input method. 3.

What is Windows Boot Manager?

Windows Boot Manager (Bootmgr.exe) is a component of the new Windows Boot Loading Architecture designed to boot and load Windows fast and securely.

What is a boot manager?

The Windows Boot Manager (BOOTMGR) is the Windows tool that starts Windows Operating Systems (OS). If there are multiple Windows OS, the Boot Manager displays the list for selection. Then, it hands over boot parameters to the boot loader.

How to delete an entry in the boot manager?

However, you can delete an entry in the boot manager OS list. To do that, while logged in to Windows 10, search MSCONFIG and open System Configuration . Finally, click the Boot tab, select the OS entry you like to remove, and click Delete. 5.

What is the Windows Boot Loader section?

The Windows Boot Loader sections contains the Operating System details, including the identifier (ID).

What is bcdedit.exe?

BCDEdit.exe is a Windows command line tool used to modify boot configuration data. BCDEdit.exe can add, delete, edit and append entries in the boot configuration data store.

Why is my screen blank in Windows 10?

If your Windows 10 computer screen is blank with jut the cursor, it could indicate that the boot process is stuck.

Can I disable secure boot?

No, you should not disable Secure Boot. Secure Boot is a feature of UEFI that protects your PC from boot sector viruses. However, if you need to dual-boot Windows 10 and Linux, you should disable Secure Boot to allow the installation of Linux. Otherwise, the Linux installation will fail.

What is bootrec.exe?

Bootrec.exe tool is used to troubleshoot and fix boot problems in the Windows Recovery Environment. Problems in a master boot record, a boot sector, and a boot configuration data store can be fixed by this tool.

How to access system restore command prompt?

To access the System Restore with Command Prompt, run Command Prompt from Windows recovery mode first. Then type rstrui.exeand hit Enter.

How to open command prompt without desktop?

There is one way to open Command Prompt without entering the Windows desktop. Here are steps to do that when the computer fails to boot. Step 1: Reboot your computer. When the computer shows the Windows icon, press F8 constantly to show the "Windows Setup".

What is the command line for Windows 10?

The command line we'll execute first is the system file check (SFC). SFC can automatically scan for corrupted and missing system files, and repair or replace them in Windows 10.

Where are startup folders located?

Since the user’s startup folders are in the system drive, so generally speaking, we just need to check the C drive.

Can Bootrec fix boot problems?

Please note that even if the Bootrec.exe tool can fix most boot problems, it still could not solve every possible error in a computer startup. Therefore, when it couldn’t work, proceed to the next one.

Method 1. Use Fixboot Windows 10 Command Prompt

See more on diskpart.com

Method 2. Uninstall The Latest Windows 10 Update

Method 3. Rebuild Mbr with Third-Party Freeware

Method 4. Reset The PC