How to make a USB boot system? Detailed explanation of the methods and steps for making a USB boot disk

When the computer cannot start normally, the USB boot disk can provide vital help. It can boot the system through the USB disk and assist us in system maintenance or data recovery. PHP editor Baicao has compiled a detailed guide for making a USB bootable disk. From preparations to precautions, he will take you step by step to create a practical USB bootable disk.

Tool materials:

System version: Windows 10 20H2

Brand model: Lenovo ThinkPad X1 Carbon 2021

Software version: Rufus 3.13

1. Preparation work

1. Prepare a USB flash drive with a capacity of no less than 4GB. It is recommended to use a USB flash drive with USB 3.0 or above interface, which is faster.

2. Download the required ISO image file. You can download the Windows 10 ISO image from the Microsoft official website, or you can use the ISO image of other operating systems.

3. Download Rufus software, which is an excellent U disk boot disk creation tool with simple operation and powerful functions.

2. Production process

1. Insert the USB flash drive, open the Rufus software, and select the USB flash drive to make a boot disk in the "Device" option.

2. Select "ISO Image" in the "Boot Type" option, then click the DVD icon on the right and select the downloaded ISO image file.

3. Select "GPT" in the "Partition Scheme" option, and select "UEFI (Non-CSM)" in the "Target System" option.

4. Keep the default settings for other options, and click the "Start" button to start creating a USB boot disk.

5. During the production process, you will be prompted to format the USB flash drive. Click the "OK" button to continue.

6. Wait for the production to be completed. After the message "ISO image has been written successfully" is prompted, click the "Close" button to complete the production.

3. How to use

1. Insert the prepared U disk boot disk into the USB interface of the computer.

2. Press the F12 key continuously when turning on the computer (the shortcut keys may be different for different brands of computers) to enter the Boot Menu interface.

3. Select the U disk boot item in the Boot Menu interface and press Enter to confirm.

4. After entering the PE system, you can perform system installation, system maintenance, data recovery and other operations.

Content extension:

1. The principle of U disk boot disk is to modify the MBR boot sector of U disk and point it to the boot file in the ISO image file, so as to achieve the purpose of booting from U disk. Start the function of the system.

2. When making a U disk boot disk, it is recommended to use a blank U disk to avoid data loss. If there is important data in the USB flash drive, please back it up before creating it.

3. When using a USB boot disk to install the system, it is recommended to disconnect other irrelevant hardware devices to avoid affecting the installation process.

4. If you encounter problems when using a USB boot disk, you can try to re-create the boot disk, or replace the USB flash drive of another brand and try again.

Summary:

The USB boot disk is a very practical tool that can help us perform system maintenance and data recovery when the computer cannot start normally. The process of making a USB bootable disk is very simple. You only need to prepare a USB disk and ISO image file, and you can easily complete it using tools such as Rufus. When using a USB boot disk, you need to pay attention to some details, such as disconnecting irrelevant hardware devices, backing up important data, etc., so as not to affect the use effect. I hope this article will help you create and use a USB boot disk.

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