Last Updated: December 23, To create this article, 20 people, some anonymous, worked to edit and improve it over time. This article has been viewed , times. Learn more Reinstalling Windows 7 every 6 to 12 months--as opposed to never reinstalling--can keep your computer running as smoothly as possible. For those who aren't very computer literate or tech-savvy, the reinstallation of an operating system like Windows 7 can seem like intimidating task.
Fortunately, the process has been streamlined compared to older versions of Windows, with very little risk of messing up. Keep reading to learn how to easily repair or reinstall Windows 7. Insert your Windows 7 CD. Boot the PC from the CD. Click Repair your computer. Click System repair. Click Finish. Did this summary help you? Yes No. Log in Social login does not work in incognito and private browsers. Please log in with your username or email to continue.
No account yet? Create an account. Edit this Article. We use cookies to make wikiHow great. By using our site, you agree to our cookie policy. Cookie Settings. Learn why people trust wikiHow. Download Article Explore this Article methods. Related Articles. Article Summary. Author Info Last Updated: December 23, Method 1. Determine what the problem is. Before doing a complete reinstall, determine if your problem can be fixed by performing a Startup Repair. This will replace your operating system files that may have become corrupt.
The most common use for a startup repair is fixing the Windows load sequence. If your computer no longer loads Windows, then a startup repair may fix your boot process and allow Windows to load again. Insert the Windows 7 CD. Make sure your computer is set to boot from CD.
To do this, enter the BIOS immediately after your computer starts. Then click Next. Step 8. Tick the I accept the license terms checkbox and then click Next. Step You will be asked where you want to install Windows. Choose the drive or partition that you want to use for Windows Once the installation is done, you need to restart your computer by clicking Restart now.
Installing Windows 10 with a bootable USB can greatly reduce installation time. To create a bootable USB flash drive with the installation files, you can insert a USB at least 4GB in size to your computer and then follow these steps:.
Type the following commands one at a time and press Enter after each command:. Please be sure you want to do this! They are just an example here. Type exit and then press Enter to quit the diskpart tool.
Navigate to the boot folder of the Windows 10 ISO files and make it bootable. To do this, type the commands below one at a time and press Enter after each command:. It contains the Windows 10 ISO image file. Then, plug the bootable USB flash drive into the device you wish to install Windows 10 and boot from it. As soon as the computer boots, press any key to get into the Windows Setup page.
Note: The installation process will erase everything on the primary hard drive of your computer. Right click "cmd" and select "Run as administrator". Step 2. If there is nothing wrong with your Windows 7, you just want to restore it to a specific point to uninstall some programs or migrate system to another disk, like SSD or something alike. You do not have to run system restore from Command Prompt in Windows 7.
You can also carry out the operations by directly launching this software's graphic user interface in Windows:. It is quite easy and you can make it with only a few clicks. Now you know how to run system restore from Command Prompt in Windows 7. You can also use it to run system restore via command lines in Windows With it, you can clone hard drives and migrate Windows 7 to SSD easily.
When do you need to restore Windows 7? When no restore point resolves the issues, all of them fails or none are listed, refer to the Using the built-in Dell Factory Image Restore partition tab as other actions are needed.
NOTE: This process only sets the C: drive back to factory settings and leaves the other partitions alone. When the Dell Factory Image Restore partition has been deleted, the option to use the Dell Factory Image Restore does not appear and you must reinstall the Operating System manually, from a backup or a Windows recovery image. For more information refer to the, How to manually reinstall Windows 7 on a Dell computer section when you have the installation disks or Dell Knowledge Base article How to create and use the Dell Windows recovery image when the installation disks are not available.
All personal files, including photos, email messages, and programs are lost when you do not back up your files and data. NOTE: Remove the computer from the docking station when you are using one.
NOTE: When the Advanced Boot Options menu does not appear, turn the computer off and try again you may need to hold the power button down for 15 seconds for the computer to turn off. NOTE: Use the drop-down menu to the right of User name: to select the local user or the Administrator account and enter the password for that account.
If you have not set up a password on the local user account leave the password space empty and click OK. NOTE: The restore process begins and may take some time to complete. A message appears when the operating system and factory-installed applications have been restored to factory condition. Steps to Manually install Windows 7: Back up your important files and data Disconnect nonessential devices from your computer Reinstall Windows 7 Install Dell drivers.
Connect your computer to the Internet or network Install critical and recommended Windows updates Reinstall your applications Reinstall your third-party hardware and software drivers Restore your personal files and data from backups 1.
Back up your important files and data Dell recommends backing up your files and data to an external hard drive, DVDs, CDs, or other removable storage media on a regular basis. Disconnect nonessential devices from your computer.
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