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INTEL SOFTWARE LICENSE AGREEMENT
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USB (Universal Serial Bus or Universal Serial Bus)— the most multifunctional port to date. Using this connector, you can connect not only a flash drive, keyboard or mouse, but also many other devices to your computer. For example, there are portable mini-fridges with USB connection, lamps, speakers, microphones, headphones, Cell phones, video cameras, office equipment, etc. The list is actually huge. But in order for all this peripherals to work properly and data to be transferred quickly through this port, it is necessary to install drivers for USB. In this article we will look at an example of how to do this correctly.
By default, USB drivers are installed along with the software motherboard, since they relate directly to it. Therefore, if for some reason you do not have USB drivers installed, we will turn first to the websites of motherboard manufacturers. But first things first.
In the case of USB, as with any other computer components, there are several ways to find and download necessary drivers. Let's look at them in detail in order.
Method 1: From the motherboard manufacturer's website
First we need to find out the manufacturer and model of the motherboard. To do this you need to follow a few simple steps.
Method 2: Using automatic driver update programs
If you don’t want to bother with searching for the manufacturer and model of the motherboard, downloading archives, etc., then you should use this method. For this method, you will need any utility to automatically scan the system and download the necessary drivers.
For example, you can use or . In any case, you will have plenty to choose from. Similar programs on the Internet today a large number of. Take for example the same one. ABOUT detailed installation You can learn about drivers using this program from our special lesson.
Method 2: Through Device Manager
Go to Device Manager. To do this you need to do the following.
Please note that this method is the least effective of all three. But in some cases it actually helps the system to at least recognize the USB ports. After such an installation, you need to search for drivers using one of the two methods listed above in order to ensure that the data transfer speed through the port is as high as possible.
As we previously advised, for any force majeure situations, always save the most important and necessary drivers and utilities on a separate medium. If necessary, it can save you a lot of time, which will be spent searching for software again. In addition, situations may arise when you simply do not have access to the Internet, and you will need to install drivers.
USB technology is one of the most important of the many technologies that have made a huge impact in the computer world. USB (Universal Serial Bus- “universal serial bus”) - a serial data transfer interface for low- and medium-speed computer peripheral devices
This technology has made it truly easy and convenient work with printers, scanners and external devices data storage (external hard disks, USB flash drives). All installation steps USB devices boiled down to a simple principle: Plug and play" Devices have become truly mobile precisely because USB technology. Today, not only desktop PCs and laptops are equipped with USB ports, but also gaming devices, smartphones, cameras, navigators and many other devices.
Ports USB version 2.0 provide data transfer at speeds up to 480 Mbit/s, and the version USB 3.0 raises the maximum transfer speed to 5.0 Gbps. The USB symbol is a kind of trident, drawn both on USB devices and on computer connectors.
USB technology has already been studied quite seriously and has undergone many improvements, so USB ports, when used correctly, rarely cause any problems, and troubleshooting problems associated with them does not cause much trouble. This article will outline the basic principles of troubleshooting USB ports.
But before we begin, it’s worth describing basic recommendations when working with USB ports and devices, connected to them:
- never connect devices with visible mechanical damage USB connectors, as well as devices with external damage to the housing or with a clear burning smell.
If the USB ports on the motherboard are mechanically damaged, it is better to disconnect them from the motherboard (the connectors on the front of the case) or seal them with colored tape to prevent their use. If necessary, it is better to replace such ports in a workshop with new ones.
Try not to overload USB ports. Their current strength is strictly limited: 500 mA for USB 2.0 and 900 mA for version 3.0. Do not try to increase the number of USB ports using various USB multipliers. Modern motherboards already have up to 10 ports, which is quite enough for home use. It is always safer to buy an additional PCI or PCIe USB controller than to work through a USB “tee”.
If the USB ports on a laptop stop working, then working on it becomes very difficult - you cannot connect a printer, a scanner, or a flash drive. And unlike desktop computer, installation additional USB The controller is a very expensive pleasure.
In many cases, when the error message " USB device not recognized "The problem may be precisely USB port. This problem is usually solved quite easily, since it occurs mainly at the software level.
What to do if the USB ports do not work?
Any hardware device interacts with the installed operating system through special program - driver. Many problems with devices are solved with the help of drivers. The same is the case with non-functional USB ports. Below are several methods that will help you troubleshoot USB ports at the software level.
If the USB ports suddenly stop working, and USB devices are not detected, then the most in a simple way The solution to this sudden problem will be to restart your computer. Just restart your computer. If there were no problems loading the drivers, this problem will be resolved after a reboot.
Update hardware configuration in Device Manager
If you restart your computer in this moment is not desirable (for example, due to performing some important operation), then you can “reload” the drivers without rebooting the entire computer via device Manager. To launch it on the shortcut " My computer» click right click mouse and select the menu item " Management e". Or in the menu " Start» find the program « Execute"and after launching it, enter the command devmgmt.msc.
In the window that opens, left-click once on the list of devices and then click the tab " in the main menu Action", then point to " Update hardware configuration" See if the section " USB controllers" If yes, then your problem is solved, the USB ports should work.
Another way to get USB ports to work is to unplug and then reinstall the USB controller. To do this you need to run again device Manager. In the list of equipment that you will see in the window that opens, find USB partition controllers. On each of the devices in this section, right-click and delete them all. Once you remove all controllers, simply restart your computer. The controllers will be reinstalled and the USB ports will become available again. This may solve your problem.
Updating USB controller drivers
Another reason that USB ports do not work is damage to the USB controller drivers. The only way out is to find the correct drivers and reinstall them. To download the appropriate driver, you need to find out the manufacturer USB port devices (via it). Installing the correct driver should solve this problem in an instant.
Disabling other USB devices
Sometimes USB ports do not work due to overload when too many USB devices are connected. USB hubs sometimes do not provide enough power to the devices connected to it. The connected device can consume all the allowed USB power computer controllers. If the equipment is connected to a USB hub, then simply connect the device directly to a USB port on your computer.
You can also leave the device connected to the USB hub, but first disconnect other devices in the hub. For the future, purchase a USB hub with its own power supply that will provide sufficient power to all devices connected to it.
If none of the above methods worked, then it is likely that the USB ports were physically damaged. Or the USB controller, in particular the south bridge of the motherboard, is damaged. In this case, the best thing you can do is replace or repair the USB port controller at a service center.