How to reinstall the computer system without a CD
As technology advances, optical discs are gradually becoming obsolete, and many modern computers no longer even come with optical drives. So, how to reinstall the system without a CD? This article will introduce in detail several methods of reinstalling the system without a CD, and attach recent hot topics and hot content to help you quickly master the operation skills.
1. Hot topics and hot content (last 10 days)

| hot topics | Hot content |
|---|---|
| Windows 11 updates | Microsoft releases Windows 11 version 23H2, adding new AI features and performance optimizations |
| USB reinstallation system | More and more users choose U disk to reinstall the system instead of traditional CD installation. |
| Cloud reinstallation system | Some brands of computers support cloud recovery systems without external media. |
| System backup and recovery | How to back up important data and restore the system has become the focus of users |
2. Several methods of reinstalling the system without using a CD
1. Use USB flash drive to reinstall the system
This is one of the most commonly used methods today. You need a USB flash drive with a capacity of at least 8GB and follow these steps:
| step | Operating Instructions |
|---|---|
| 1 | Download system image file (ISO format) |
| 2 | Use a tool (such as Rufus) to create a bootable USB flash drive |
| 3 | Set BIOS to boot from USB flash drive |
| 4 | Follow the prompts to complete the system installation |
2. Use the system recovery partition
Many brands of computers come with a system recovery partition pre-installed at the factory. You can reinstall the system in the following ways:
| brand | recovery button |
|---|---|
| Lenovo | Press F11 when booting |
| Dell | Press F12 when booting |
| HP | Press F9 when booting |
3. Use cloud recovery tools
Some brands of computers support cloud recovery system functions, such as:
| brand | Cloud recovery tool |
|---|---|
| Microsoft Surface | Surface recovery image |
| AppleMac | macOS recovery mode |
3. Precautions
1. Be sure to back up important data before reinstalling the system to avoid data loss.
2. Make sure the computer has sufficient power or is connected to a power source to avoid power outages during the installation process.
3. When downloading system images, please choose official channels to avoid security issues.
4. Summary
With the development of technology, reinstalling the system no longer relies on CDs. Whether it is through a USB flash drive, recovery partition or cloud tool, system reinstallation can be easily completed. I hope this article can help you solve computer system problems and make your computer look like new!
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