Petroleum products HS code insights

List of contents in this article:

• 1,Petroleum products HS code insights How to reinstall the win7 system from win10 on the computer?
• 2, Please explain in detail how to install a win7 system in computer win10
• 3, How to reinstall the computer with pre-installed win10 system back to win7 system
• 4, teaching everyone how to reinstall the system win7 system in win10 Unify

How to reinstall the win7 system from win10 on the computer?

Simulate the successful startup of the computer. The cabbage USB disk startup disk has been successfully made. Hold down Ctrl+Alt to release the mouse and click to close the window to complete the operation. Install win7 under win10. First, insert the made cabbage USB flash drive into the computer and restart it.

We downloaded a little white software and then chose to install the win7 system. The download speed depends on your network. You just need to wait patiently. After the software is downloaded, it will be automatically deployed, and you will be prompted to restart immediately.

Enter BIOS to change the hard disk format from IDE to AHCI II. The main MBR boot of the hard disk is damaged, and the PE boot disk should be used to repair the boot.

Please explain in detail how to install a win7 system in win10

1, in There are three main ways to reinstall the Windows7 system under Windows 10: use the system installation CD-ROM to install the system.

2. Appears "Where do you want to install Windows?" Then, select the partition we created for Win10 (you must select the pair), click "Start Installation", and "Windows is Installing" will appear.

3. First, open your win10 system and get you ready.The win7 installation package, and then copy the bootmgr.efi file in the system directory (that is, your C disk) in the win10 system according to: local disk CwwindowsBootEFI.

4. The first step: download the win7 system mirror package and store it in the USB boot disk.

5, set up according to the prompts and your own needs, and enter the win7 system. 1 After that, when your computer restarts, there will be two systems to choose to start. The above is the method of installing win7 dual system under win10. If you need it, you can refer to the tutorial for operation.

pre-installed wHow to reinstall the computer of in10 system back to win7 system

1. Open Settings → Update and Security → Restore, find "Rewind to Windows7 (or Windows 1)" and click "Start". Select the reason for "regress" (multiple choices), and then click "Next" to continue (the "reverse" operation can be canceled at any time in each of the following steps).

2. If you install win10, you can change back to win7. Specific operation steps (Y400, G480, etc.) for the pre-installed Windows 10 system of the consumption YZGN model to be modified to Windows 7 system.

3. Change the pre-installed WIN10 system of Lenovo computer to the original WIN7 system. First, make a USB flash drive into PE startup.USB flash drive, I won't repeat this. Just down the "depth" or "cabbage" startup USB disk production tool on the Internet and make it into a PE startup USB disk.

4. Now there are many computers pre-installed with win10 system, but many friends still want to reinstall the win7 system, so how do we reinstall it? Let's take a look at the operation for everyone.

Teach everyone how to reinstall the system in win10 and reinstall the win7 system

First, download the Xiaoyu system and reinstall the system software on your desktop computer. Select the win7 system and click to install this system. Then start to download the mirror image of the win7 system. After downloading, deploy the environment, and then click restart immediately after completion.

Enter BIOS to change the hard disk format from IDE to AHCI II. The main MBR boot of the hard disk is damaged, and the PE boot disk should be used to repair the boot.

After the installation is completed, click "Reinstall Now" in the program, as shown in Figure 5; Figure 5 At this time, the software will automatically detect the hardware of the system and continue to click "Next" directly, as shown in Figure 6; Figure 6 In this interface, users can choose to reinstall the Windows 7 system.

Change the bios settings, change to the traditional mode to boot and restart the notebook, press F2 and other startup hotkeys (the corresponding boot hotkeys refer to your own brand computer) to enter the BIOS, and set SecureBootControl to Disabled under Security. . First, open Xiaobai's one-click reinstall system, select the win7 system that needs to be installed, and click Next.

The following are the steps to install dual systems: Prepare a bootable USB flash drive or DVD: You need to save the installation files of Windows 10 and Windows 7 to a bootable USB flash drive or DVD. You can download the installation file from Microsoft's official website or burn the disc image to DVD.

First of all, make sure whether your computer is UEFI+GPT or MBR+legacy. Because the win10 system can do both, while the original win7 system can only use MBR+legacy.