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Win7 reinstall system: detailed operation guide various problems will inevitably occur during the use of the computer system,Global trade customs valuation analysis such as system failure, virus attack, system crash, etc. These problems will cause inconvenience to our computer use and even threaten our data security. At this time, reinstalling the computer system is a good choice. This article will provide you with a detailed operation guide for reinstalling the Win7 system, so that you can easily solve system problems and protect your computer. 1. Back up important data. Before reinstalling the system, we need to back up the important data to the external storage device. These data include documents, pictures, videos and other personal files. Stored in the systemThe data in the disk (usually disk C) will be emptied, so it must be backed up to other storage media. Two. Get the CD or USB flash drive required to reinstall the system. We can download the Win7 system image from the network and burn it to the CD or USB flash drive. You can also buy a Win7 disc and insert it into the optical drive. You can also use the system recovery disk (usually a DVD) that comes with the Win7 system, and we can use the DVD for system recovery. 3. Set up the BIOS. Before starting to install the new system, we need to enter the BIOS setting interface to set the boot order. Usually, by default, it will try to start from the optical drive first, and the system reinstallation requires us to use a mirror image to boot, and we need to put the optical drive to the first of the startup order. Four. Insert the CD-ROM or USB flash drive. After restarting the computer, enter the mirror installation environment, or follow the prompts.Usually, the system will automatically enter the Windows Welcome interface, allowing you to set the system language, time and currency format. We can also change the regional settings here. 5. Select the system installation type. Next, we need to select the system installation type. Here you can choose to install a new system, format only the system disk or install it normally, etc. If other versions of the Windows system have been installed on the computer, we can choose to upgrade the system. If we want to make a new installation, we need to select the "Custom Installation" option. 6. Select the installation location. Before custom installation, we need to select the location to install the new system. If we need to keep the original data, we need to choose to install the system into the original system disk. Otherwise, you can choose to format the entire disk and install a new system.7. After completing these settings, we can start installing the system. During the installation process, we need to wait for a period of time. After the installation is completed, we need to restart the computer and enter the new system. After entering the system, we need to make some system settings. Eight. System settings. After reinstalling the system, we need to make functions, security, network, power supply and maintenance settings. We can also find these setting options in the control panel to change different system setting parameters. Nine. After restoring the backup data and installing the new system, we need to restore the previously backed up data to the system. We can copy the backup file from the external device to the new system disk or directly use the backup tool to restore the data. Summary: It may take several hours to reinstall the Windows system, but it is a worthwhile choice.By reinstalling the system, we can clear all system errors, viruses and other problems. Before reinstalling the system, we need to do a good job of sufficient backup to avoid losing important data during the reinstallation of the system.

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