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Pure Win7 system (refreshing Win7 system reinstallation tutorial) In the process of computer use,Sourcing intelligence from customs data over time, we will find that our Windows 7 system becomes slower and slower, with various deviations and flashing screens, which will affect our work and quality of life. If you are experiencing this situation, reinstalling a pure Win7 system is a practical choice. In order to make your computer run faster and more stable, this article will provide a simple and easy-to-understand tutorial to guide you on how to reinstall a pure Windows 7 system without losing data. Step 1: Back up your data. Before reinstalling the Win7 system, we should first back up our important data to avoid loss. You canBack up in the following ways: - Use an external hard disk to back up all your data (including pictures, documents, music, etc.). - Use OneDrive, Baidu Cloud, Tencent Cloud and other cloud disk tools to back up your data. As for which platform to back up to, you can choose according to your own habits. Step 2: Prepare a Win7 system CD or USB boot disk. Now, we need to prepare a Windows 7 system CD or USB boot disk for our computer. If you don't have a CD-ROM or USB boot disk, please prepare one first. If you need to make a USB boot disk, you can use Rufus and other USB production tools to make it quickly. Step 3: Before restarting the computer in the installation window, make sure that you have removed all USB devices, CDs and other devices that do not need to be used during the installation process from the computer.Then, restart the computer, enter the BIOS menu according to your settings, and set the boot device to "Optical Drive" or "USB". Step 4: Install the Windows 7 system. Now that we have everything ready, we can start reinstalling the Windows 7 system. During the installation process, you need to pay attention to the following points: - When reinstalling, you can choose to perform a new clean installation on your computer or install with reserved files and applications. - During installation, you need to follow the prompts and log in to your Windows account. If you have a Microsoft account, you can use it to log in. If not, please use the existing administrator account on your computer. - During the system installation process, you need to authorize some software and Windows updates.Be sure to allow these updates to ensure that your system is more secure and stable. - When the installation process is over, you need to activate your Windows operating system. Please note that if you are not activated, your Windows system will expire in 30 days and may not be able to use Windows. Step 5: Install the driver After installing the Windows 7 system, you may find that some hardware devices do not work properly, such as sound cards, graphics cards or printers. This is because the corresponding driver is missing. Therefore, it is very important to install the driver. Many computer manufacturers will provide downloadable drivers on their websites. You only need to enter your manufacturer and model to download the driver suitable for your computer. Step 6:Restore your data. Now, we have successfully installed a pure Windows 7 system. In this step, you can restore the previously backed up data. If you use an external hard disk for backup, you only need to copy the data file back to the original folder. If you use cloud disk for backup, you only need to use the cloud disk client you configured to restore. Summary Reinstalling the Win7 system can not only make your computer run faster and more stable, but also reduce the occurrence of various deviations and flashing screens and other phenomena. The above are the basic steps on how to reinstall a pure Windows 7 system. I hope they will be helpful to you. If you have any questions or suggestions, please feel free to contact me.

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