Pre-export HS code verification steps

- Clean the disc and check whether it is damaged: Use disc cleaner or lint-free cloth to clean the dust or dirt on the disc. If the surface of the CD is seriously damaged, please try to replace the CD to confirm.

2. There is no reaction after the CD-ROM enters the computer optical drive, and the optical drive has a slight sound. In this case, the optical drive is generally faulty. You can open the chassis to see if there is a problem with the connection of the optical drive. If there is, you can gently tighten it with your hand, so that it should be usable.

3. The reasons why the disc cannot be read are as follows: there is no reaction after the disc enters the optical drive of the computer.And there is a slight sound in the optical drive. In this case, the optical drive is generally faulty. You can open the chassis to see if there is a problem with the connection of the optical drive. If there is, you can gently tighten it with your hand, so that it should be usable.

List of the contents of this article:

• 1,Pre-export HS code verification steps System Disk Installation System Steps
• 2, How to repair the computer system with CD-ROM
• 3, CD-ROM installation system
• 4, Why can't the CD-ROM of the computer system be read in?

System disk installation system steps

1. You need to use software to make a USB disk into a boot disk, plug inEnter the USB disk, insert the USB disk boot disk into the computer that needs to reinstall the system, restart the computer and press the USB disk startup shortcut key when the first screen appears, bring up the shortcut boot menu, press the arrow key and enter key to select your USB disk name to enter the PE selection interface, and redo the system.

2. Backup important data: Before reinstalling the system, be sure to back up important data to avoid loss. Prepare an installation disk or USB flash drive: Choose a suitable system installation disk or USB flash drive, which can be downloaded or purchased from the official website. Set the boot order: Set the computer boot order to start from the installation disk or USB disk.

3. Method/Steps: Use the Xiaobai one-click reinstallation system to complete the USB disk download system. First, download the Xiaobai one-click reinstallation system tool (download address: http://), insert your USB disk, select the USB disk mode, and click one-click to make the USB disk boot disk.

How to repair the computer system with CD-ROM

1. When using the Windows XP system repair function, restart the computer, put the Windows XP system installation disc into the optical drive, and the screen will When the prompt message "Press any key to boot from CD" is displayed, press any key such as the "Enter" key.

2. The steps are as follows: To prepare the system CD, you need a Windows system CD or USB boot disk to repair the system. If you don't have a system CD-ROM or USB boot disk, you can download the system mirror image and make the boot disk from the Internet, but be sure to pay attention to the reliable source of the downloaded mirror image and the boot disk.

3. First of all, please make sure that your computer is originally equipped with the installation CD or system recovery CD, and then insert the CD into your computer. Restart the computer, press the power button of the computer to restart the computer, and then follow the prompts of your computer to enter the BIOS settings and put the CD-ROM first.

4. In the first step, press and hold the "F12&rdquo" key on the keyboard before turning on, and the "Please select boot device (or Startup Device Menu)" menu will appear. At this time, you put your "XP System Recovery CD" into the optical drive, then select "CD/DVD (related optical drive options)" and press the Enter key "Enter" twice.

5. If your CD-ROM system is damaged, you can try the following methods to fix the problem: Clean the CD-ROM: Gently wipe the surface of the CD with a soft, fiber-free cleaning cloth to remove stains or fingerprints. Make sure not to use the force that scratches the surface of the disc when wiping.

CD-ROM installation system

Steps to install the CD-ROM system Enter the BIOS settings to start up - insert the CD-Press DEL (desktop) or F2 key (most notebooks) or other keys to enter the BIOS - set the computer to start from the CD-ROM - F10-Y-Enter, and the computer will automatically restart to enter the system installation. After updating the driver and installing the system, just update the driver with the driver sprite.

Transfer some important things in the original system to other disks. CD-ROM starts the computer, inserts the CD-ROM, turns on the computer, and selects from. Notebooks generally have shortcut startup options. Different notebook models have different functions such as f2 or f12 on the keyboard. It's best to check it online.

There are two common methods for CD-ROM installation system. Quickly select to start the device and look at the screen after turning it on.Show, many computers support quick selection of startup devices. Press F8, F9 or F12 to call up the boot computer selection menu, select the optical drive, and start the installation.

Under normal power-on, put the CD into the optical drive and restart the computer (if it is abnormal, you can put it in after the power is turned on). Press DEL or other keys to enter the BIOS, and set the settings to start from DVD-F10-Y-Enter. After entering the PE interface, select "Install System" after entering the PE interface.

Insert the installation disc and insert the Windows7 installation disc. Select the optical drive startup option. When Lenovo English appears, keep pressing the F12 button, select the "CD/DVD" optical drive startup option, and start the program from the disc. Set the language and currency format and set my language to Chinese (Simplified).

Why can't the CD-ROM of the computer system be read in?

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