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Notebook is Free sports events uefa champions league app androidan important tool for people's daily work and entertainment. With the increasing number of software installations and system storage, dense data often leads to slow system operation or failure. In order to solve these problems, reinstalling the notebook system has become an indispensable operation.This article will introduce a detailed tutorial on how to reinstall the notebook system under the Win7 operating system. I. Backup data. Before carrying out any operation, the first thing to consider is to back up data. Because the process of reinstalling the system will empty all the data in the notebook, backing up important personal folders and files is the top priority. You can use CD, DVD, USB flash drive, mobile hard disk and other storage devices for backup. At the same time, you can also transfer documents, videos and music files to the cloud disk so that they can be re-downloaded after the system is reinstalled. II. After making a system installation disk and entering the Win7 system, search for "Create System Repair Disk" in the Start menu, select the drive that needs to make the boot disk (you can choose a USB disk or CD-ROM) in the open window, and then click Next. The program will help us make a system installation disk. After the production is completed, insert it into the notebook and press the power button to start the computer.III. Enter the BIOS and adjust the startup order by pressing DEL, F2, F12 or other loosely arranged keys to enter the BIOS setting interface. Here we generally need to find the startup sequence option and set the system installation disk we have made as the startup device. Then press F10 to save and exit the BIOS setting interface, and the laptop will restart automatically. IV. Enter the system installation interface. When the computer restarts, the notebook will automatically start the system installation disk we made. According to the system prompts, we can enter the installation interface. Here, we can choose to repair the original system and install a new system, and we can also customize the partition format, installation directory, keyboard input and other information. V. After the activation system is installed, we need to activate the system before it can be used smoothly. The activation process is very simple. You only need to enter the serial number on the computer properties page.If there are multiple computers, you need to apply for multiple serial numbers from Microsoft to activate. VI. Install the driver. After the system installation is completed and activated, we need to install the corresponding driver to use the notebook normally. The installation of the driver generally starts automatically or we need to download it locally to the computer. Install the driver by running the downloaded driver, and then restart the computer, and the computer will automatically recognize all the devices. VII. Restore personal files. When the laptop system is reinstalled, we need to restore personal files again. These files include documents, music, videos, photos, emails, etc. On the device where the file is stored during backup, find the original folder and copy it to the previous location. VIII. After setting up the system and reinstalling the system, we need to reset the system parameters. These settings include system language, time zone, time, display, network, sound, etc.After setting up, we can enjoy the speed and system stability of a new computer. Summary: Although reinstalling the notebook system may be more troublesome for novice users, as long as you pay attention to backup data and follow the tutorial step by step, the process of reinstalling the notebook system will become simple and easy to understand, gradually improving computer efficiency and system performance. At the same time, we should pay attention to the maintenance of the laptop while using it to make its service life longer.

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