Refined metals HS code references

List of contents of this article:

• 1,Refined metals HS code references Why can't the USB flash drive be recognized when the computer reinstalls the system?
• 2, What should I do if I don't know the USB flash drive after reinstalling the ASUS notebook system?
• 3, Win7 computer can't recognize the USB disk boot disk
• 4, What should I do if the USB flash drive of the newly installed system of the computer is not displayed
• 5, May I reinstall the system? Why can't I recognize the USB flash drive?

Why can't the USB flash drive be recognized when the computer reinstalls the system?

First, insert our USB flash drive and create an eckert.lj file in the USB flash drive. In order to prevent the success of creating the file, turn on the extension display option, open My Computer, click [View] above, and then click [Options] on the right. Enter the folder options dialog box and click the [View] tab above.

Reason: It is caused by the mismatch of the computer's hard disk mode settings. Turn off the powerRestart the brain and enter the BIOS interface to find Config---Serial ATA (SATA). Find SATA comtroller mode option [compatibility].

Reason: The bios motherboard is not set to compatibility mode. The specific operation method is as follows: First, press f2 to enter the bios debugging interface. In the startup window, set the uefi mode under the boot option to legacyly mode, and then set the load setup defaults to disable in the restart option.

The system cannot recognize the USB flash drive Solution 1: Insert the USB flash drive to prompt "NoneIf it is a USB device that is recognized by method, try another USB socket until you try all the interfaces to see if it can be recognized.

If method one is invalid, it may be that the system is not installed or the ghost version of the system is used, and the driver software is used to update the driver or the system patch. It is recommended to use the pure installation version of Windows7 or Windows8 to reinstall the system, and press the ESC key to select the optical drive or USB to start the installation.

Judging from the screenshot, you have entered the upgrade option of BIOS. Please quit immediately. Restart the computer and press F1, F2, F10, or F12 (it depends on which manufacturer's motherboard). Reselect the boot option to solve the problem.

What should I do if the ASUS laptop doesn't recognize the USB flash drive after reinstalling the system?

1. You can try to restore the default value of the BIOS or modify the relevant options in the BIOS. Note: There may be differences in the settings of each model.

2. After reinstalling the system on the ASUS laptop, the reason why the mouse can't use the USB flash drive and can't be read is the driver problem. The driver of the notebook brand is used, and the original driver is uninstalled first.

3. Update the system patch through the control panel---windows update. System problems, the installed ghost, non-pure version system and driver compatibility are not very good. It is recommended that you back up and save important data to the external storage device first, and then use the pure version of the system CD to reinstall the operating system.

4. Click F2 to enter the BIOS.Select the secure boot menu in the security tab. Secure boot control Press Enter to select Disable, and press F10 to save. After the computer restarts, click F2 to enter the BIOS and select Launch CSM in the boot tab.

5. Judging from the description of the problem, it may be related to the U port of the motherboard. It is recommended to send the whole computer to the official after-sales service center of ASUS for comprehensive inspection by professional maintenance engineers to confirm the fault and necessary maintenance.

What's wrong with the Win7 computer that can't recognize the USB disk startup disk

Search for the answer I want to ask a question Baidu knows the prompt information and knows that the baby can't find the problem_!The problem may have been invalidated.

The specific solution is as follows: First, click the "Start" position in the lower left corner of the computer interface, and then select the control panel to open it. Then find the option "Management Tools" on the control panel interface, (it is easier to find by switching the viewing mode to a small icon).

First, analyze the hardware reason why USB cannot be recognized: BIOS disables USB devices. ( Enter the BIOS and modify "EnableUSBDevice" to "Enable") USB interface problem. ( You can consider changing to another USB interface.) The compatibility problem of the motherboard and the system. ( Refresh the BIOS again.

Recommendation: Reason analysis: No motherboard USB driver installed; "USB Root Hub" may be disabled;Solution: Install the USB driver of the motherboard with the driver CD, insert the driver CD into the optical drive, and then the computer will automatically play, and then click one-click to install.

Recommendation: The specific solution to the download of the notebook win7 system is as follows: This problem occurs because although your USB flash drive is pulled out, the computer still occupies the process of the USB flash drive.

But when the computer can't recognize the USB flash drive, can't it be used? In fact, we can recognize the USB flash drive through some channels. Today, I will share with you the solution to the problem that the win7 computer cannot recognize the USB flash drive.

What to do if the USB flash drive of the newly installed system on the computer is not displayed

1. First, we right-click "Computer" and select the "Management" option from the pop-up menu. In the "Computer Management" window we opened, expand the "Storage" - "Disk Management" option. Right-click the USB flash drive symbol that cannot be displayed normally, and select the option of "Change Drive and Path".

2. Method 1: It is recommended that you restore the default settings of the BIOS: press the F2 key to enter the BIOS interface.Press F9 to restore the initial value of BIOS, return, and then click F10 to save and exit.

3. First, insert our USB flash drive and create an eckert.lj file in the USB flash drive. In order to prevent the success of creating the file, turn on the extension display option, open My Computer, click [View] above, and then click [Options] on the right. Enter the folder options dialog box and click the [View] tab above.

4. Method 1: First of all, we need to check whether the USB boot disk is successful. You can make a USB boot disk through the Xiaobai reinstall system tool. Plug the USB boot disk into the USB interface of the computer. If it is a desktop computer, it is recommended that you plug it into the rear USB, which is safer.

5. Judging from the screenshot, you have entered the upgrade option of the BIOS.Please quit immediately. Restart the computer and press F1, F2, F10, or F12 (it depends on which manufacturer's motherboard). Reselect the boot option to solve the problem.

6. After the computer reinstalls the system, there is no display when the USB flash drive is plugged in. Usually, the computer has recognized the USB flash drive, but the corresponding disk symbol cannot be seen when "My Computer" is opened. Enter the disk management in "Management Tools" (enter diskkmgmt.msc in "Run" and return car), you can see the disk, but no disk character is assigned.

May I reinstall the system? Why can't I recognize the USB flash drive?

Passive reinstallation: due to various reasons, such as user misoperation or virus, woodDue to the destruction of the horse program, the important files in the system are damaged, resulting in errors or even crashes that cannot be started. At this time, the system naturally has to be reinstalled.

Reason: The bios motherboard is not set to compatibility mode. The specific operation method is as follows: First, press f2 to enter the bios debugging interface. In the startup window, set the uefi mode under the boot option to legacyly mode, and then set the load setup defaults to disable in the restart option.

Reason: After reinstalling the system and inserting the USB flash drive, the computer does not automatically install the USB flash drive. The system did not assign the disk symbol to the USB disk. The USB flash drive has poor contact with the USB of the computer.

Install winThe reason why the mouse and keyboard cannot be used after the 7 system is that there is no 0 driver and the usb driver is not installed. Win7 does not include the XHCI USB0 driver, so even if you can install it on the desktop, you will not be able to use the USB keyboard and mouse in the end because of the lack of the XHCI USB0 driver.

Then select a USB disk symbol, click "OK" to apply the settings, and check whether the computer has successfully recognized the USB disk. In addition, the system group policy to enable and disable the storage device function will also cause the USB flash drive to be inserted into the computer without response. In this regard, we use the "Big Trend to USB Monitoring Software" to actually repair the function.