Windows 7 error Recovery Command Prompt
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When need to perform Windows 7 boot repair via 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.
Then, what are the boot sector and master boot record exactly? The boot sector is a small section at the beginning of a hard drive. It's created when you format the hard drive. The boot sector contains some code and data that helps BIOS hand off the startup process to Windows. It 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. 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. If you backup MBR in advance, you can use it to restore your computer and make it work as normal. If not, you can see the next part and learn to repair boot with command prompt in Windows 7. Run Startup Repair first with installation discIf your boot sector or MBR runs into problems, you cannot start Windows normally. That's to say, you need the Windows installation disc to boot your computer. 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. Step 1. Create Windows 7 installation media on a working computer. You can download ISO image files from Microsoft Store and burn the ISO image files to a USB drive or CD/DVD via Windows 7 USB DVD download tool. Step 2. Plug the USB drive into your computer. Step 3. Start your computer and press the corresponding key to go to BIOS. Step 4. Set boot priority to your drive in the Boot option. Step 5. Save changes and restart your computer. Then, you will see a black screen with error message like "Press any key to boot from CD or DVD...", just press a key in the keyboard. After that, it will start to load files, wait patiently. Step 6. After that, you will go to the Install Windows screen, click Repair your computer. Step 7. Select the operating system Windows 7 in the System Recovery Options window and click Next. Sometimes, you will not see any operating system in this window, please click Load Drivers to install drivers for your disks. Step 8. Select Startup Repair in the System Recovery Options and it will automatically start to repair boot sector or MBR in Windows 7. Just wait patiently until the process is completed and click Finish. Boot Repair Windows 7 from Command PromptWhen you try to manually run Startup Repair using installation disc, you may find startup repair not working sometimes and ask you to restore your computer with System Restore. Click Restore if you have a working restore point. If not, click Cancel. Then, you will see the Windows cannot repair your computer automatically screen with 2 options at the lower location, select "View advanced options for system recovery and support". After that, you will go back to the System Recovery Options window and select Command Prompt to boot repair Windows 7. 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. Wait a minute, please try Windows 7 startup repair command prompt chkdsk to scan the integrity of your file system and hard drive so as to rule out the physical problem of hard drive. Because it can also damage the boot sector and MBR. Then, try other command lines below. Way 1: Windows 7 boot repair with BootrecStep 1. In the command prompt window, type the following command line and hit Enter after each one.
Notes: Step 2. Exit the command prompt window and restart your computer. Way 2: Repair boot sector in Windows 7 using DiskPartIf the bootrec /fixmbr and bootrec /fixboot don’t work, you can try to restore the boot sector code of your Windows 7 with steps below. Step 1. In the command prompt window, type the following command line in order and then hit Enter.
Notes: Step 2. Remove the installation disc and restart your computer. Way 3: Rename and rebuild BCD via NotePadIf the above command prompt does not work for you, you still can try to backup and rename BCD first and then rebuild it via CMD. 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. You will 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. Step 3. Now, you will go back to the command prompt window. Type bootrec /rebuildbcd and hit Enter. Type Yes to confirm if you asked. Step 4. Type bcdedit /enum all in the window. Then, hit Enter. Step 5. Type exit and reboot your computer. Way 4: Rebuild BCD without notepadStep 1. In the command prompt window, type the command line below and hit Enter after each one.
Note: c: refers to the location of your Windows. Step 2. Exit the command prompt window and restart your computer. Way 5: Boot repair Windows 7 without diskStep 1. Turn on your computer, press and hold the F8 key to go to the Advanced Boot Options screen, then choose Safe Mode with Command Prompt. Step 2. You can try command prompt for Windows 7 boot repair above and see if it works. Useful tip: backup computer to greatly reduce data lossesYou never know when your computer will crash or become unbootable, thus it's suggested to backup system with a free backup software like AOMEI Backupper Standard. Here are some advantages of it.
In addition, its advanced edition has more useful features, such as, Event triggers, USB Plug in, differential backup, etc. For server users, you can directly download AOMEI Backupper Server edition. For IT Technician, you could use AOMEI Backupper Technician. It allows you to create portable version of this software and use it on any computer without installing it again. It's very convenient for IT maintenance and support engineers. 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. Then, when something unexpected happens, you can go to the Restore tab and select the created image to restore system to new hard drive and then boot from it. Notes: SummaryIf you receive the above mentioned error message, the boot sector or MBR may be corrupted or damaged. You can use installation disk to run Startup Repair or boot repair Windows 7 via Command Prompt. If you can repair boot with command prompt in Windows 7, you are very lucky. But, sometimes, you will fail to repair startup issue. To ensure the security of your data and your computer, you'd better create a system backup or disk backup in advance. Then, you can restore system image or disk image in the event of a disaster. How do I run a Windows 7 recovery error?Step 1: Reboot your computer. Step 2: Press F8 to enter the Advanced Boot Options window. Step 3: Select Safe Mode with Command Prompt by using the arrow keys. Step 4: After the Command Prompt opens, type rstrui and press Enter to open the System Restore window.
How do I repair Windows 7 with command prompt?If you don't have the installation disc. Reboot the computer.. Press F8 as the Windows 7 logo appears.. Select Repair Your Computer. ... . Hit Enter.. Select Command Prompt.. When it opens, type the necessary commands: bootrec /rebuildbcd.. Hit Enter.. How do I run Windows error recovery?Here are the steps:. Insert your CD; restart your computer.. Boot into the CD by pressing any key when the “Press any key to boot from CD” message appears on your computer.. Press R to open the Recovery Console at the Options menu.. Type in your Administrator password.. Hit Enter.. |