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List of contents of this article:

• 1, How to reinstall the computer system?
• 2, How to install the operating system after formatting the computer C disk, detailed steps
• 3, steps to reinstall the operating system
• 4
  、 How to restore the system after flashing the mobile phone?
• 5, What will happen to the system after the computer is restored to factory settings?

How to reinstall the computer system?

Step 1: Back up important data Before reinstalling the system, you need to back up important personal data first. Files and folders can be copied to external hard disks, USB flash drives or cloud storage to ensure data security.

If you have done one-click backup when you first installed the machine before, you can restore it to the state of backup. USB disk installation: If there is no one-click restore, use the system USB disk to reinstall the system.

The computer uses CD-ROM to reinstall the system. The operation steps are as follows: Prepare the system CD-ROM and prepare the system CD-ROM: If not, you can buy it in the computer store.

Reinstalling the computer system requires the installation media, usually the installation CD or USB drive of the operating system. If you don't have an installation media, you can download the mirror file of the operating system from the official website and make it into a bootable installation media. Make sure that the installation media you choose matches your computer model and operating system version.

If you want to reinstall your computer's operating system, you need to prepare an installation disk, usually a DVD or a USB flash drive.Next, you can follow these steps to reinstall: prepare the installation disk, insert the installation disk into the computer, and then start the computer.

How to install the operating system after formatting the computer C disk, detailed steps

1, use Win7 system CD-ROM or USB flash drive starts, select Install Now.2: Select the installed system version, and the installation method must be customized. 3: Click the advanced options of the drive, confirm. 4: After clicking on the advanced options of the drive, you can see more deletion and formatting options. Select the disk symbol first, and then you can operate on it.

2. Preparation Before formatting the C disk, you need to back up important files to avoid data loss. Backups can be saved with USB flash drives, cloud disks, external hard disks and other devices. At the same time, you need to prepare a Windows system installation CD or installation USB flash drive.

3. The operating system is a necessary operating environment for a computer. If a system fails, the system needs to be reinstalled. Many people still don't know how to reinstall the system on the computer. In fact, there are many ways to reinstall the system. The commonly used ones are USB disk reinstallation and hard disk reinstallation., taking the hard disk reinstalling the win7 system as an example, I will introduce the operation steps of how to reinstall the system on the computer.

Steps to reinstall the operating system

1. Select with the arrow key to enter Advanced BIOS Features, which is usually the second in the left column, enter Fir St Boot Device (preferred boot device), and then select the CD-ROM option and press En. Enter the system installation interface. At this time, you have entered the system installation interface. Follow the prompts and select to remove the C disk for a new installation.

2. After confirmation, the system confirms your corresponding options and enters the disk check step!After the disk check, it is time to copy the installation file to the disk. After copying the file, the XP installation wizard initializes the configuration of XP.

3. Expand all. In this case, there is generally a problem with the system, and reinstalling the operating system can return to normal. Insert the system disk and insert the system disk (system CD-ROM and system USB flash drive) into the computer. Set the BIOS to restart the computer, enter the BIOS, and set the system disk as the preferred boot device in the BIOS.

4. This article will introduce the steps of reinstalling the computer system to help readers better understand the process. Put the system CD into the optical drive, and restart the computer! Enter the BIOS settings. Press the delete key before the system starts to enter the BIOS settings.

5. The mostThe common and most thorough method is to reinstall the operating system. The step is to back up important data, such as photos, documents, chat records, etc. Antivirus transfers backup files to a computer with anti-virus software installed and anti-virus software can work properly to prevent viruses from infecting new systems.

How to restore the system after flashing the mobile phone?

Turn off the mobile phone. In the mobile phone shutdown mode, press and hold the "volume down button" and "power button" on both sides of the mobile phone to enter the factory mode of the mobile phone. In factory mode, select "Clear Data, Restore Factory Settings" and "Clear System Cache" on the page to clean up.

Method 1: Double clearing by entering the recovery mode.In the shutdown state, press and hold the power button and volume + keys of the mobile phone at the same time. After the screen lights up, release the button and wait to enter the recovery mode.

Solution: First, find the mobile phone flash assistant in the start menu bar of our computer and click it, as shown in the figure below. Second, then connect our mobile phone and computer with a data cable, as shown in the figure below. Third, then click the flash to jailbreak in the upper right corner of the screen, as shown in the figure below.

Brush recovery: First of all, you need to download the official original ROM firmware of Yijia mobile phone and install it on your mobile phone. In this way, the system can be restored to the factory state and all third-party modifications can be deleted. Flash back to the official system: If you have backed up the official system of your mobile phone before, you can use this backup to flash back to the official system.

Can Huawei mobile phone data butler restore pre-flashing data?After flashing the mobile phone, it can be restored through the network data backup of the mobile phone cloud space. Specifically, there are the following methods: take the Huawei mate10 mobile phone as a reference: open the mobile phone homepage interface and click Settings. Search for "cloud space" in the search bar on the interface.

What will happen to the system after the computer is restored to factory settings?

Restore factory settings is to restore the computer to its initial state and delete the system disk (usually disk C) including all the contents of the table. Give it a new system.

After restoring the factory settings, all personal files in the system will be reset, and the system will return to the original state. The specific operation is as follows: enter keywords in the search in the lower left corner of the desktop.: "Restore", click "Restore Computer or Reinstall Windows" and click "Open System Restore" with the mouse.

When you initialize the system, the system will be restored to the newly installed state and delete the user files. That is to say, whether the user configuration, user data files, installed files, etc., will be cleared, even the user files on non-system disks can be deleted or even cleared (cannot be restored by data recovery software).

Computer factory reset refers to restoring the computer to the factory state, which means that all user data and installed software will be cleared, all settings will be reset, and restored to the original operating system version.