Open Command Prompt.
Type C:\ , where C: is the letter of the drive where your Windows 7 is installed.
Press Enter.
Type cd Windows\System32\Config.
Press Enter.
Type MD Temp and press Enter.
Boot the machine with your Windows 7 installation DVD.
Select Repair Options when prompted.
Select Command Prompt.
Identify the correct drive letter for your Windows installation.
Type these commands and press Enter after each:
Examine the dates of the Software, System and SAM files.
If they were made before the problem became apparent then you can type these commands and press Enter after each:
How to backup and Restore Registry in Windows 10?
open launch.
Find create a restore point and also click on the first result to unlock the experience.
Click the “System Restore” button.
Press “Next”
Select the Recovery Control containing the registry type backup.
Press “Next”.
Click Finish.
How do I scan win10 registry for corrupt item?
When ? A command line window will open. Type the following command and use the Enter key. The tool should scan the PC for corrupted files and data and offer you this option to repair them all using the same command prompt window. This is by far the best registry for Windows 10. Method 2: Fix the registry using the DISM command.
How to Restore Registry to default in Windows 10?
Open Registry Editor. To get started, move the Windows character key and the R key on your keyboard at the same time, type regedit, then click OK > Yes so that the Registry Editor is available.
Switch to the DefaultAccount key.
Delete the DefaultAccount key.
Restart your precious computer.
What is the function and importance of the registry How is the registry structured What are some ways to make changes in the registry discuss where the registry is located?
The registry helps the operating system maintain your computer, helps programs make full use of your computer’s resources, and can provide space for user preferences you create both in your programs and in Windows. For example, when users change the Windows desktop, the fixes are stored in the registry.
Which command can you perform at the Windows RE Command Prompt to repair the OS boot record on Windows 7?
bootrec/fixmbr
In Windows Vista, Windows 7 and Windows 8 and 8.1, your current command is exactly the same, so you can perform a sneaker root restore. The command is indeed bootrec /fixmbr and it fixes the slider starting at the physical controller entry we specify.
Which command can you perform at the Windows RE Command Prompt to repair the OS boot sector on Windows?
Finally, enter the command bootrec /fixmbr and it will install the best boot record on the physical disk we specified.
Which command can you perform at the Windows RE Command Prompt to repair the OS boot record on Windows 10?
Click Restore my computer. Select the operating system you want to restore and click Next. In the System Recovery Options dialog box, click Command Prompt. Type Bootrec.exe and press Enter.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.