How to switch operating systems between Windows and DOS

1. How to switch between Windows and DOS?

In the Windows operating system, DOS (Disk Operating System) does not exist independently, but as part of a command line terminal. Here's how to switch between Windows and DOS in Windows:

1. Use the command line:

   • Open "Run" (Win R), enter cmd and press Enter, a command prompt will open, a DOS-like interface.

2. Using PowerShell:

   • Windows also provides PowerShell, which is a more powerful command line tool. You can also open PowerShell by entering powershell in "Run" and pressing Enter.

3. Enter the command prompt in safe mode:

   • Start the computer in safe mode, you can also choose to enter Safe mode with command prompt.

4. Using Windows PE:

   • If you need to troubleshoot a non-bootable situation, you can use Windows PE (Pre-installation environment).

2. My current computer uses Win7 as the boot mode, which is Legacy. If I switch to UEFI, do I have to reinstall the system?

If you are switching from Legacy (legacy BIOS) to UEFI, it is usually recommended to perform a clean installation. But it is not necessary to reinstall the system. You can consider the following steps:

1. Check the hard disk partition:

   • Make sure the hard disk is using MBR (Master Boot Record) partition table instead of GPT (GUID Partition Table).

2. Change BIOS settings:

   • Enter the computer's BIOS/UEFI settings, enable UEFI mode, and disable Legacy/CSM (Compatibility Support Module) mode.

3. Modify the hard disk partition table:

   • If the hard disk is in MBR format, it needs to be converted to GPT. This step may result in data loss, so be sure to back up important data in advance.

4. Reinstall the bootloader:

   • It is best to reinstall the bootloader from the Windows installation media to ensure The system boots correctly.

3. What are the settings for dual system switching between Windows 8 and Windows 7?

When installing dual systems, you need to ensure that the bootloader properly manages both systems. Here are the general steps for switching settings between Windows 8 and Windows 7:

1. Install dual systems:

   • Install Windows separately 8 and Windows 7, each system is installed on a different partition.

2. Using the boot loader:

   • When installing Windows 8, the Windows Boot Loader (Boot Manager) will Being updated, you can choose to boot Windows 7 or Windows 8.

3. Use BCD editing tool:

   • Use BCD (Boot Configuration Data) editing tool (such as EasyBCD) to update Flexibly configure the boot loader and add, delete or modify startup items.

4. Set the default startup system:

   • In the BCD editing tool, you can set the default startup operating system, and Boot menu display time and other options.

#4. How to choose the switching method of management information system?

The choice of management information system (MIS) switching method depends on the specific situation and needs:

1. Hardware requirements:

   • If your computer supports UEFI and you want to take full advantage of UEFI features, consider switching to UEFI.

2. Data backup:

   • No matter which method is used, be sure to back up important data before switching to prevent unexpected situations occur.

3. System stability:

   • If there is no problem with the current Legacy startup method and UEFI features are not required, No need to switch.

4. Boot loader management:

   • When installing dual systems, use the BCD editing tool to manage the boot loader, Ensure that different operating systems can be easily switched and managed.

Summary: You can switch between Windows and DOS through the command line, PowerShell, safe mode, etc.; when switching from Legacy to UEFI, it is recommended to clear the installation, but not It is necessary to reinstall the system, and the operation needs to be carried out according to the specific situation; when switching between Windows 8 and Windows 7 dual systems, use the boot loader and BCD editing tool to make settings; when choosing the switching method of the management information system, you need to consider hardware support, data backup, Factors such as system stability and bootloader management.

The above is the detailed content of How to switch operating systems between Windows and DOS. For more information, please follow other related articles on the PHP Chinese website!