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Win7 system reinstallation tutorial: complete steps explain Windows 7 is Free sports events uefa champions league app androidan operating system launched by Microsoft, but after long-term use, there are some problems with the hard disk, or the system runs slowly, or There may be some software conflicts. At this time, reinstalling the Win7 system is a good choice. But before reinstalling, you need to back up important data. Next, let's take a closer look at the complete process of the Win7 system reinstallation tutorial. Step 1: Preparation Before reinstalling the system, the following materials need to be prepared: 1. Win7 installation CD or USB flash drive (Win7 system image can also be downloaded through Microsoft's official website). Two. A blank DVD or USB flash drive is used to back up important files.3. An activation code is used to activate the system. Four. The motherboard driver and related software driver CD-ROM or USB flash drive to ensure the normal operation of the newly installed system. 5. All kinds of additional software, such as QQ, WeChat, browser, etc. Step 2: Backup data Because reinstalling the system will delete all the original data, we need to store the important data on the USB flash drive or CD-ROM before starting the reinstallation. You can transfer all the files, photos, documents, music, videos, etc. that need to be saved to a backup folder. Step 3: Set the BIOS to open the computer and press F2 or F12 to enter the BIOS settings. Find the Boot option in it, and select CD-ROM in the first item of Boot Sequence, keep the settings and exit to save and restart the computer.Step 4: After installing the Win7 system and inserting the Win7 installation CD or USB flash drive, you can choose the installation method. After clicking the "Install" button, follow the steps step by step. For the newly created blank hard disk, you can choose partitioning, formatting, installation and other options as needed. After a few minutes, the system will install according to the options in the installation mirror image. After the system installation is completed, it will automatically restart. Next, we need to make preliminary settings. Step 5: After setting up the new system installation of Win7 system, first set up the network connection. Find "Network and Sharing Center" in the control panel, click "Set up a new connection or network", and then select wireless network or wired network interface, etc. to connect to the network. Then install the motherboard driver and related software drivers to ensure that the newly installed system can work normally.Finally, restore the backup data to the new system and reinstall the required software. Three reminders: 1. Try to back up the data before operation to prevent data loss. Two. Select the Win7 system version you need to download and install. 3. Before installing the system, check your computer configuration to meet the needs of the system. Summary: Win7 system reinstallation tutorial: detailed explanation of complete steps. Here is an easy-to-understand and easy-to-learn method, which can not only help users back up important data, but also help users install new systems, so that the computer has better performance and experience. It should be noted that you need to be fully prepared before installing the system to avoid problems such as data loss and software purchase.

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