How to solve the problem that the computer usb interface does not respond to the problem

We often encounter mouse or other USB devices plugged into the computer USB interface and there is no response. Why is this? Today, I will tell you some common problems and solutions.

First of all, we say that the most direct cause of the computer usb interface can not be used:

1.) Usually the USB interface that many friends encounter can not be used, many problems are on the USB device

Some time ago, a friend bought a smart phone, but thought of downloading music on the Internet and copying the background image of the mobile phone to the SD card of the mobile phone. After connecting the data cable with the mobile phone and the computer, the mobile phone screen also shows charging. Status, but I can't find the existence of removable disk (SD card) in my computer in the computer, my friend is anxious to think that there is a problem with the USB interface of the mobile phone, let the author give a look, but the author looked at the mobile phone, mobile phone After unlocking, I found out that I need to open the USB device on the phone. After I choose to open it, I will display the removable disk in my computer. Through this example, the author wants to say that if there is no response to the USB interface, it is best to think about whether the device has a switch, whether the USB cable is connected, and the new device is best to look at the instruction manual. The best way is to change the USB port and re-plug it several times. It is not recommended to change the computer. Try to check whether it is a computer or a device.

2.) USB itself problem

USB interface problems can be divided into hardware problems can also be divided into software problems, below we first say from the software side, such as the USB device driver is not small to give Deleting or disabling the USB device in the BIOS will cause the USB interface of the computer to not respond, so the USB interface will definitely not be used. In this case, we first need to confirm that the USB device is no problem. For example, we can use a USB device such as a wireless mouse or a USB flash drive on another computer. If there is a problem with this computer, it can basically be confirmed as a USB problem.

The solution can be as follows: First, look at the problematic computer to see whether the USB is the front interface or the rear interface. Many times we will find that some computer front USB interfaces are not available, but the latter Yes, mainly because the front USB interface is provided by the chassis, and the USB interface cable of the chassis needs to be inserted in the corresponding position of the motherboard, but many installed friends may forget to insert the USB front cable, so that the front USB interface cannot Used, and the USB interface on the back of the chassis is directly integrated into the motherboard, so there is no connection. Therefore, the USB interface cannot be used. It is better to use the USB interface on the back of the chassis.

If the rear USB interface can not be used, then the software first check whether the USB driver is normal, you can download a driver wizard to detect it, if there is no problem with the driver, then we need to check the BIOS. Is the USB function disabled? By default, the USB is enabled in the BIOS. If you have not moved the BIOS settings, you can ignore this. If you have problems after the BIOS settings, you can enter the BIOS and check the enable usb device. Become enable, then press F10 to save and try.

Finally, if none of the above methods are available, then you need to consider whether the USB interface is underpowered or the USB interface is damaged. Generally, some computers use poor quality power, which may result in insufficient USB power consumption. The hard disk can't be recognized, but you can use a small device such as a USB flash drive. In case of such a situation, it is recommended to check the power supply problem or take it for repair. Finally, if the previous USB interface is always available, but it may not be a system failure recently. Caused, such as the disabled USB service items, etc., so before you can take the overhaul, you may wish to die hard, re-install the system to try, maybe run it and get it.