This material will describe the USB Universal Serial Bus controller. We are talking about an incredibly popular personal computer interface. With this solution you can connect 127 different devices simultaneously. The port allows you to connect and disconnect devices without having to interrupt the computer.

Connected devices have the ability to receive power directly via USB. Thus, there is no need to use power supplies. Let's take a closer look at the purpose of this solution and the types used today.

Role

The USB serial bus controller is included in the PC platform. It provides communication to external devices connected to the corresponding bus. The USB Universal Bus Controller is an intelligent device. It is capable of interacting with RAM in pass-through mode, bypassing the central processor. There are several types of integration of these devices. They are part of the system logic as a separate chip on the motherboard or a remote element. Now let's look at the connection method. Based on this criterion, solutions can be divided into devices for PCI and PCI Express.

Characteristics

The USB1.1 specification provides for 2 types of implementation of these devices. For example, for USB1.0 Intel has developed two types of solutions that interest us - OHCI and UHCI. Their difference comes down to the method of accessing registers. Note that the OHCI type USB universal serial bus controller is considered to be more intelligent compared to UHCI. It is able to free the processor from the need to perform routine operations associated with data transfer via USB buses. Both solutions use 32-bit addressing.

For the version 2.0 port, a special USB Universal Serial Bus controller has been created - EHCI. It is capable of operating at high speed. Thanks to the split transaction, this type of interface supports the USB1.1 solution. Relevant for slow devices. USB3.0 requires a universal XHCI controller. It supports data exchange at any speed.

External solutions

If you are the owner of an old computer that does not have the ports we are interested in, do not be upset. A minor upgrade will allow you to install a USB universal serial bus controller on your PC. Such devices are available in the form of PC cards for connecting to a laptop or PCI expansion cards. The mentioned controllers support USB 1.0, 2.0, 3.0. If you decide to install such a device for yourself, you should pay attention to a faster option. This is advisable, since even the cost of these solutions is almost the same, but the possibilities are much greater. Let's take another example: if your computer supports an earlier version of USB, purchasing an additional card will allow you to upgrade to the 3.0 standard.

additional information

Now let's discuss the features of the USB universal bus controller driver. The specified software is required if the "Device Manager" shows a faulty port. Another confirmation is the error information that is visible in the “Properties” of such equipment when you go to the “Device Status” section. Note that a driver may be required for one port or for all of them together.

The most effective method to resolve this issue is to install the software that came with the device. If you do not have a special disk, the necessary driver can be obtained from the official website of the motherboard manufacturer. There is another way to solve the problem. It consists of automatically searching for the necessary software.

If you look at the “Device Manager”, you will see a large list of equipment connected to the computer, for each of which drivers must be installed. Today we will look at the problem when in the “Other devices” block you see the “Universal Serial Bus Controller USB” item, accompanied by a yellow exclamation mark.

The well-known abbreviation “USB” stands for “Universal Serial Bus”, which translates as “Universal Serial Bus”. Correct operation of this bus is ensured by a special controller, and if for some reason drivers are not installed for it, then you can’t even count on the correct operation of the USB ports (often they will not function at all).

A similar problem can occur both during the initial (clean) installation of the operating system, and during its use, for example, after an unsuccessful update, as a result of virus activity or a system failure (which happens much more often).

Fixing the problem

Actually, we found out that if “Universal Serial Bus Controller” is listed in “Other Devices,” there are problems with the drivers, which means that all our subsequent actions will be aimed at solving this problem.

Stage 1: Remove the old driver

First of all, you should completely remove the problematic driver from your computer in order to subsequently install a fresh one. To do this we need to go to "Device Manager". Open menu "Control Panel" and go to the section "System".

In the left area of ​​the window, open the section "Device Manager".

Expand the tab "Other devices" and click on the item, then selecting the item "Remove device".

Confirm that you want to remove the selected device, and then restart your computer.

Normally, after a reboot, Windows should independently install the latest driver for the controller. If this does not happen, proceed to the second stage.

Stage 2: Update Chipset Driver

The chipset driver is responsible for the functionality and interaction of many computer devices, including USB. You can try to solve the problem by updating the driver for the chipset.

To do this, you need to know the model of the motherboard installed on your computer. Knowing this, you should go to the manufacturer’s official website, search for your model, and then find drivers for the chipset. Download the driver according to your operating system version.

Launch the downloaded distribution and complete the driver installation process on your computer. Once the installation is complete, be sure to restart the operating system.

Step 3: Use software to find and update drivers

Many experts do not recommend using programs to automatically search and update drivers, however, if the two previous methods could not help you solve the problem, these programs should not be discounted.

One of the most popular programs for auto-searching drivers is DriverPack Solution. You can download this program from the link below from the official website of the developer.

Install the program on your computer and then launch it. Use it to search for drivers and install any recommendations found.

When the program finishes its work, be sure to restart the computer so that all the changes made finally take effect, and then check for the presence of the “Universal Serial Bus Controller” item.

Step 4: Search for driver using hardware ID

Go to "Device Manager". Click on "Universal Serial Bus Controller" right click and select "Properties".

In the window that appears, go to the tab "Intelligence". Here on the block "Property", set the parameter "Equipment ID". Right-click on the very first ID and select "Copy".

Go to the website devid.info and paste the previously copied ID into the search bar. The results will contain links to download drivers for your equipment. Download the driver in accordance with the version of the installed operating system, and then install it on your computer.

Finally, reboot your operating system and check for the error.

Stage 5: System Restore

If the computer was previously working normally, and there were no errors with the “Universal Serial Bus Controller”, you can try performing a system recovery procedure, which can return the computer to the period of time when the controller driver was working properly.

To do this, open it "Control Panel" and go to the section "Recovery".

In the new window, select a section "Run System Restore".

The screen will display the available system rollback points, among which you should choose the one that corresponds to the time when the USB controller worked correctly. Select a point and start the system restore process.

Please note that using the System Restore tool will return your computer almost completely back to the selected time period. The only exception is user files such as music, videos, photos, documents - they will not be affected.

Finally

If, after using all the methods to solve the problem, you still cannot return the USB controller to normal operation, you should try taking the extreme, but often effective step of reinstalling the operating system. If even after reinstalling Windows the problem is still not resolved, we recommend contacting a service center, where a specialist can diagnose and solve the problem in a timely manner.

USB is translated from English as Universal (Universal) Serial (Serial) Bus (Bus). Now it is quite difficult for you to imagine a modern PC without such a small but quite important component. Oddly enough, so that users could calmly and simply (at first glance) exchange files between PCs and other devices, in the past a large number of engineers worked on this component. Well, in order for this component to work with a PC, it comes with a controller board that ensures operation.

To operate, the controller requires a driver, which is selected according to the motherboard included with your PC. You are lucky if you know which motherboard powers your computer - it will not be a problem for you to type the support site into a search engine and download the bus controller USB Windows 7.

But what if you don't know? Don't worry, fortunately, there are programs that can help you determine your motherboard model. They will be discussed below.

Utility from Intel.

If there is a small sticker from this corporation somewhere on your computer, or you just know that the computer is built on the basis Intel Motherboard, then use the official utility. It is intended for identification purposes and provides system information and technical data. After that on the site Intel Using a convenient search, you will quickly find the driver you need for the bus controller USB, specifying the model.

PC diagnostic utility - AIDA.

Now let's move on to a slightly different program. In my opinion, it is better, more convenient and more functional. Called AIDA64. It will help the user if the USB device is not recognized on Windows 7, what to do is elementary. In theory, this is the good old Everest, which was previously released on the basis AIDA32, but now the developers have decided that its time is over, and now AIDA already in a new design and with a large number of functions helps users solve pressing problems, or simply be aware of the system.

The program's capabilities are very wide - you can view PC components, test their operation and performance, view information from temperature sensors, manage the system and programs, and do much more easily and naturally.

Choose the option that suits you best. Once you have determined which motherboard you have on your PC, e.g. Intel, maybe Gigabite or Acer, or some other one, then find the official support site through the search system.

We hope this article was relevant and useful to you, and you solved the problem by identifying the system. Share your opinion below, it is important to us. Thank you.

On some laptops, after installing the system, the USB socket, called a USB 3.0 port, stops working. This USB does not see the flash drive and the mouse does not work from it.

USB device not recognized after automatic driver update

In this case, if the mouse or USB flash drive is not detected, then in the Device Manager you will see that the Universal Serial Bus Controller item displays a yellow exclamation mark. This yellow sign means that the USB Universal Serial Bus driver is not installed.

How to enable USB ports

If the USB ports stop working, you must first connect your phone to this port using a USB cable. If the phone starts charging but still does not recognize the USB, then the port is physically intact and it’s all about the drivers. In this case, installing or reinstalling the USB 3.0 drivers and the USB serial bus controller will not help you, but installing the video card driver for your laptop model will help. The video driver is usually located on the CD that comes with the laptop, and if it is not there, the video driver can be downloaded from some special Internet service, for example http://notebookclub.org/drivers/asus.html.

If USB ports are disconnected, try installing a video driver

By opening this service in your browser, you need to find drivers for your laptop model and download only the driver for the video card. After installing this video driver on your laptop, you will need to restart the laptop. After this, the universal USB bus controller driver will be installed correctly and your port will begin to see flash drives and the mouse will work from it.

Editor's Choice

USB Universal Serial Bus Controller will not install - [Problem Solution]

The USB Universal Serial Bus controller with the updated interface version 3.0 has added problems for computer users with this modern high-speed port.

Contents:

Often, after reinstalling Windows, problems arise with the installation of the driver that controls the functioning of the ports. As a result, the new USB ports do not function.

This makes it impossible not only to take advantage of the interface for faster data exchange with external portable drives, but also does not allow you to connect many peripheral devices and storage media to the computer.

This especially applies to, where there are several connectors of the 2nd and 3rd versions.

Since the problem primarily applies to PCs running Windows 7, we will look at how to resolve it using this operating system as an example. Although for newer versions of Windows the process will be similar, unless on the website of the laptop or motherboard developer you will have to indicate the edition and bitness of the operating system.

Why does this happen?

The answer to the question why the software for the controller is not installed is quite simple.

Alas, in both cases you need to download and install the driver. And you should absolutely not do this through the update center.

Even if the operating system copes with the task, it will choose the most suitable software, in its opinion, and it may not be the latest version or even developed not by the manufacturer of the hardware component, but by programmers from Microsoft who do not have the entire body of knowledge about the operation of a particular device.

This driver is not suitable for us.

Download files from the support site/hardware developer

The official page of the company that developed the laptop or motherboard is the most reliable source of the latest utilities for the equipment.

It is best to get an installer downloaded from the official website of the company involved.

No one will give detailed instructions, because there are a lot of developers, and all their sites are quite different, but we will note the main point.

It lies in the fact that on most resources you will have to indicate the operating system used and its bit depth. You can find it out from the properties My computer.

Rice. 4 – We look at the bit depth of the OS used

Sometimes a model or laptop is also required.

This information is in the instruction manual, it can be obtained through HWInfo or a similar utility, and even from the warranty card.

1. After downloading the installer, open the Manager through the “Properties” of My Computer or call the context menu of this directory and click “Manage”.

1. With any method of opening a window, click on it in the window that opens.

1. If the device is defined as "Universal USB Bus Controller...", delete it. Otherwise, let's move on.
2. Run the downloaded installer and install.
3. At the end of the process, restart the computer.

We determine the required software by its ID

Are you a complete idiot and don’t know where to find the motherboard model or on the developer’s website? Not scary. You shouldn’t get hung up, because there is another way.

1 Open the Manager (see point No. 1 of the previous subsection).

2 Expand the Other devices item and call up the properties of an unknown device or a universal controller

3 Go to the Details tab.

4 In the Property field, select the equipment ID (or ID).

5 Copy the line with the VID code.