how to repair windows 7 boot

Windows 7 Boot Repair

1. Create Windows 7 installation media on a working computer. You can download ISO image files from Microsoft Store and burn the ISO image ...
2. Plug the USB drive into your computer.
3. Start your computer and press the corresponding key to go to BIOS.
4. Set boot priority to your drive in the Boot option.
5. Restart your computer and press any key to boot from it.

Full Answer

How to fix Windows 7 when it fails to boot?

Solution 2: Run Chkdsk to Fix Disk Boot Failure on Windows 10/8/7

1. Boot PC with a Windows install disc Insert a Window installation CD into your computer. ...
2. Choose Command Prompt Select your Windows installation drive and press "Next" to move on. In most cases, you can click C drive as your default Windows installation drive. ...
3. Run chkdsk utility

How does Windows 7 backup boot disk successfully?

Use Backup and Restore Windows 7 to Set up Backup on Windows 7/10

1. Click Set up backup. After you enter into Windows 7 Backup and Restore window by following the guide above, you can click Set up backup button.
2. Choose the Backup Destination. Next it will ask you to select where you want to save your backup. ...
3. Choose What You Want to Back up. ...
4. Set the Backup Schedule. ...
5. Start the Windows Backup Process. ...

How to manually troubleshoot and repair Windows 7 bootloader?

• Boot Windows 7 installation disc in the disc drive, and then start the computer.
• Press a key when you are prompted.
• Click Repair your computer.
• Click the operating system that you want to repair, and then click Next.
• In the System Recovery Options dialog box, click Command Prompt.
• Type Bootrec.exe, and then press ENTER.

How to repair Windows 7 boot problems using 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, you'll get the "Start Repair couldn't repair your PC" message because there's nothing that needs ...

How can I repair Windows 7 without CD?

Restore without installation CD/DVDTurn on the computer.Press and hold the F8 key.At the Advanced Boot Options screen, choose Safe Mode with Command Prompt.Press Enter.Log in as Administrator.When Command Prompt appears, type this command: rstrui.exe.Press Enter.More items...

How do I fix a corrupted boot?

2:234:45How To Fix Master Boot Record Is Corrupted In Windows 10 - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd again turn off your machine try and boot to your desktop. That should fix it if it doesn't againMoreAnd again turn off your machine try and boot to your desktop. That should fix it if it doesn't again come into this menu. Click on troubleshoot Advanced Options click on startup repair.

What is the command to repair Windows 7?

In the System Recovery Options dialog box, click Command Prompt to boot repair in Windows 7. 7. Type Bootrec.exe, and then press Enter.

Does Windows 7 have startup repair?

The Startup Repair tool repairs Windows 7 by replacing important operating system files that might be damaged or missing. Startup Repair is an easy diagnostic and repair tool to use when Windows 7 fails to start properly and you can't use Safe Mode.

How do I run Windows Startup Repair?

Hold the Shift key down at the Windows sign-in screen and press the Power button at the same time.Continue holding the Shift key, then click Restart.Once the PC restarts, it'll present a screen with a few options. ... From here, click Advanced options.In the Advanced options menu, choose Startup Repair.More items...•

How do I fix Windows not booting?

Windows 10 Won't Boot? 12 Fixes to Get Your PC Running AgainTry Windows Safe Mode. ... Check Your Battery. ... Unplug All Your USB Devices. ... Turn Off Fast Boot. ... Check Your Other BIOS/UEFI Settings. ... Try a Malware Scan. ... Boot to Command Prompt Interface. ... Use System Restore or Startup Repair.More items...•

Which F key to restore Windows 7?

Power your computer off. ... Press and release the power button to turn the computer on, and then press and hold the "F8" key on the keyboard. ... Use the arrow keys to select the option your want. ... Select the date on the System Restore calendar that is just prior to the time you started experiencing problems with the computer.More items...

How do you check if Windows 7 is corrupted?

Click Start.In the search bar, type CMD .Right-click CMD.exe and select Run as Administrator.On the User Account Control (UAC) prompt, click Yes.In the command prompt window, type SFC /scannow and press Enter .System file checker utility checks the integrity of Windows system files and repairs them if required.More items...•

How do I fix a corrupted boot in 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 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".

How do I fix boot manager?

ResolutionInsert the Windows installation disc into the disc drive, and then start the computer.Press a key when the message Press any key to boot from CD or DVD appears. ... Select a language, a time and a currency, a keyboard or input method, and then select Next.Select Repair your computer.More items...

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.

When need to perform Windows 7 boot repair command prompt?

If you have Windows 7 boot problems, the boot sector or master boot record on your system partition may be damaged, corrupted, or has missing files. And you will receive an error message like the following before Windows actually begins to load.

How to open command prompt when you don't want to repair?

Also, if you don't want to perform Startup Repair, you can still open the command prompt window by pressing " Shift + F10 " in the first Install Windows screen. Then, it will automatically pop up.

How to create a backup for a BCD file?

Step 1. In the command prompt window, type bcdedit /export C:BCD_Backup to create a backup for BCD. Step 2. Then, type notepad in the command prompt window . Youw ill see a pop up window, click File > Open > Computer, find the BCD file and rename it as BCD.old. After that, save the change and exit this window.

How does BIOS work on a PC?

When a PC starts, the BIOS will load the master boot code into the PC's RAM. Then it will scan the partition table, determine the active partition, load a copy of the boot sector into the PC's RAM, and hand off the startup process.

How to backup my computer?

To backup your computer, you can download the backup software and open it. Then, click Backup, select System Backup and follow on-screen instructions to backup your computer. Also, you can choose other backup types.

What happens if you don't have a boot sector?

If you don't have, you can create system repair disc or recovery disk on a working computer. Then, let's start with detailed steps below.

What is boot sector?

The boot sector is a small section at the beginning of a hard drive. It's created when you format the hard drive.

How to fix bootloader error?

First, run the Check Disk utility to scan the integrity of your file system and hard disk. It’s always possible that your bootloader error stemmed from physical problems with your hard disk. Second, use the System File Checker utility to scan for and fix any corrupted system files.

What to do if your PC starts to load but then fails?

Note: If your PC starts to load Windows, but then fails, then the bootloader is not the problem. Instead, you should try starting the PC in Safe Mode and troubleshooting from there. Performing a System Restore would be a good place to start.

What happens when the boot sector fails?

The boot sector can experience the same types of problems as any other part of your hard drive—missing files, corrupted files, and even physical damage. When the boot loader process fails, it will happen after you see the BIOS information but before Windows actually begins to load. You’ll usually see error messages like the following: ...

What is the boot strapping process?

The master boot code scans the partition table, determines the active partition, loads a copy of the boot sector into the PC’s RAM, and hands off the startup process to that code. It’s this boot strapping process that allows the initial bits of the Windows code to start loading.

What is the boot sector?

The boot sector is a small section at the beginning of a hard drive that gets created whenever you format the drive. The boot sector contains some code and data that helps BIOS hand off control of the startup process to Windows. The boot sector also hosts the Master Boot Record (MBR), which contains the disk signature, partition table for the disk, and a small bit of code called the master boot code.

What to do if you don't have an installation disc?

If you don’t have an installation disc, you’ll have to use another PC to download a copy of Windows. You can then create a DVD or USB install disc that you can use to boot your own PC. And by the way, if your PC is still operational you might want to take the precautionary step of creating a recovery drive or system repair disc that you can use in the future.

What will Windows begin checking for?

Windows will begin checking for startup problems and attempting repairs.

How to repair Windows 7/8/10?

As for Windows 7/8/10 repair, in most cases, you need to insert a Windows installation DVD/CD and reboot your computer from it. Then you can perform a Startup Repair, run CHKDSK to check disk for error, and even use the Command Prompt to fix MBR or BCD.

Why is my Windows 7 boot failure?

For instance, BCD (Boot Configuration Data) files are missing or corrupt; System files are damaged, MBR (Master Boot Record) gets damages and other unknown causes. When Windows fails to boot, you might receive various error messages like “Reboot and Select Proper Boot Device”, “Your PC/Device needs to be repaired”, “ No bootable device found ”, etc.

How to make bootable USB?

Plug a blank USB to a working computer, then download, install and run AOMEI Partition Assistant on that PC. Click the “Wizard” on the top side and choose “ Create Bootable Media Wizard ” . Then follow its prompts to accomplish the process. ( PS .: USB will contain pre-installed AOMEI Partition Assistant).

How to rebuild MBR?

Right-click the system disk and select “Rebuild MBR”. Step 2. Choose an appropriate MBR style for your current operating system and click “OK”. Step 3. Back to the main interface, click “Apply” and then “Proceed” to execute the pending operation.

How to boot Windows 7 from USB?

Insert the bootable USB to the Windows 7 computer with boot problems. Power it up and constantly press Del (F2 or another specific key) to enter BIOS. Change boot priority, set the USB drive as the first boot device and boot computer from destination USB. Save the changes and restart your computer into Windows PE environment.

How to check a partition in Aomei?

Step 1. In the main console of AOMEI Partition Assistant, right-click the system partition (usually C drive) to select “Advanced”> “Check Partition”. Step 2. Tick “Check partition and fix errors in this partition by using chkdsk.exe.” and hit “OK”. Step 3.

Can you use AOMEI to repair MBR?

After entering the WinPE environment with the bootable USB drive, you will be in the main interface of AOMEI Partition Assistant Standard. Now you can use it to repair damage MBR, one of the most common reasons for Windows boot issues.