Hi all! Today we are going to take a look at several questions on the topic, how to connect usb to the computer. First, we will learn how to connect any device to a PC or laptop. And secondly, I will tell you how you can connect to computer additional USB ports if you don't have enough for all your devices. So let's go!
The USB port is by far the most common type of device connection to a computer or laptop. There are three data connectors - 1.0, 2.0 and 3.0. If the first one can now be found only on the oldest computers, then the second and third are used today. At their core, they differ in data transfer speed. And in appearance, what is more important for us now is color. USB 2.0 has a black connector and plug, USB 3.0 is blue. You can read more about the specifications and differences between the standards.
Before connecting the USB cable to the computer, look at the plug of your gadget - if you connect the blue connector to the black port, the device will not use all its speed characteristics to the maximum. If you plug the black plug into the blue one, then absolutely nothing will happen - just the USB 3.0 port will work at the maximum speed for 2.0.
So, we look at the back panel of our computer, find the USB port of the same color as the plug, and connect it.
After that, the device will either be determined by itself in the system, if it is a keyboard, mouse, webcam, or some other simple and common device for which Windows already has a driver. Or for work it will be necessary to install the software that is attached to the device on CD.
How to connect additional USB ports to a computer?
Any modern motherboard already has built-in USB ports - both 2.0 and 3.0. However, we usually connect so many different peripherals that they can easily be missing, for example, in order to connect a USB flash drive or an external drive and transfer fresh photos to it.
Connecting a USB bracket to the rear panel
What to do? There are two ways. The first, preferred one is to buy a separate bracket with USB ports and insert it into additional slots on the back of the case - in the same slots where we attach a video or sound card, a wireless adapter, and other components connected directly to the board. It looks like this:
In order to carry out this task, it is necessary that the motherboard supports connecting additional USB ports. This can be determined by the presence on the system board of connectors labeled USB or USB 3.
USB 3.0 connectors are large, have many pins and are designed to connect two ports at once in one plug.
USB 2.0 is smaller and each of them can be connected to 2 ports separately.
Accordingly, we look at the presence of such connectors on the motherboard, buy the appropriate brackets, fix them in the back of the case and connect them to our connectors.
Connecting a block with USB ports instead of a floppy
Another variation of this method of increasing the number of ports is a special block with USB, which is inserted in the front of the case instead of the old floppy drive - floppy 3.5
There are many options for this block. For example, combined for connecting USB 2.0 and 3.0
And in the following example, USB 2.0 ports are combined with microphone and headphone jacks
The connection of such a block occurs in exactly the same way as the bar described above - to the corresponding connectors on the motherboard.
External USB hub
Finally, another option to increase the number of ports is to buy an external USB hub. However, there are a number of disadvantages here, because of which I would not connect any serious equipment through it, but would use it only for flash drives or, in extreme cases, a mouse.
Since this is a hub, all the load from several of its ports goes to one single computer to which it is connected. Due to this overload, certain devices can periodically fall off, which is not good. If you connect a hard drive to the USB hub, then the electricity supplied through it may not be enough for its operation. Therefore, we leave this method only for light fast food - flash drives.
There are various ways to connect your phone to a computer - synchronization can be either wired or wireless. You can sync as an Android device, as well as iPhone, iPad and the like.
How to connect phone to computer? In this article, we will look at several methods and figure out which one is best suited for this.
How to connect smartphone to computer via USB
The first and easiest way. When you need to move a large number of files from your phone to your PC or vice versa, this method is the most appropriate, as it allows you to transfer a powerful data stream in a relatively short time. The most advanced today - USB 3.1 Gen2 - provides data transfer at speeds up to 10Gb / S. When connecting devices with a 3.0 interface to devices with a 2.0 connector, the connection will work, however, the data flow density will be limited by the smallest generation marker, in our case towards the cord 
What to do if the phone is not visible to the computer via USB
First you need to figure out if the USB ports of the phone and computer are working, if the device drivers are installed and check the visibility in the panel of connected devices.
If none of this helps, try pasting USB to a different port on your computer, you can also use a third party USB cable, if you are not sure that the problem is in the hardware. Most often, problems arise from improper use of equipment, or from the lack of drivers necessary for operation.
How to connect phone to computer WiFi
Any touchscreen smartphone is equipped with WiFi a module that allows you to synchronize your phone and laptop, and even a phone with a desktop PC, if the user has an additional adapter in his arsenal. This method is less productive due to the presence of design flaws in the wireless connection, such as signal quality and transmission speed, but it turns out to be one of the trending ones in terms of distribution, for the reason that it does not require an extra wire for synchronization, and WiFi the module is now present in every smart gadget. 
- The fastest way to connect your phone via WiFi can be done with the installation of a special application;
WiFi is more optimal in cases where you often use the phone and cannot be limited by the cord, or all USB ports are completely busy. It has the widest range and non-critical restrictions on the transmission rate;
For a simple data transfer, a standard program from emulating FTP server, for example, you'll be surprised, " FTP server ". Any of them can be found in play market, they are incredibly easy to use.
If you want full control over your phone through WiFi module, you can also download one of the utilities in Play Market by choosing from such Phone explorer and AirDroid. By downloading and installing one of the applications, you will receive IP the address that, after pairing the devices, you need to drive into the address bar of any browser. Thus, we will open an interface that allows you to manage inaccessible to the usual USB connection capabilities of the phone, whether it is call control and SMS, or connecting the device as a camera 
Synchronization of computer and phone via Bluetooth
The most outdated and least ergonomic method, which is used only in rare situations. Its disadvantages are a very limited range and an annoyingly slow data transfer rate.
- To connect devices via bluetooth, you will need to install the latest updates available for your laptop Bluetooth module driver or adapter drivers when you try to pair your phone and desktop PC. In 95% of cases, you will find the necessary components on the website of the manufacturer of your gadget.
- When all bluetooth the modules are connected and working, in the connection settings on the computer we are looking for available devices, you will find your phone - you can connect;
- In the window that appears on the phone screen, set the authorization key for the incoming connection;
- On the computer, enter the previously entered key and log in to the file system of the smartphone.
All! You can work. As you can see, there is nothing complicated in connecting the phone to the computer.
Connecting iPhone to Computer via USB
Connecting an apple smart to a computer is even easier than with Android, for a number of reasons. In the absence of mobile Internet or Wi-Fi, you can update iOS versions on your device via USB, for this you only need the latest version of iTunes installed, in which synchronization is performed
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Every day, thousands of users become owners of smartphones and tablets based on Android. Some of them may experience certain problems when working with the device. For example, a user decides to connect a smartphone to a computer via a USB cable. He plugs in the device and... And nothing happens. At the same time, the necessary drivers are installed, the device is connected exactly, but it is not reflected at all in the computer. The traditional question is what to do?
Ideally, the user should see something like this, where the device is connected as a storage device:
In this case, it will be recognized and you will see the contents of your device on your computer. In addition, if you click on the connection mode, you will see an additional menu of connection methods:
On the computer, in turn, the autorun window for the device will appear:
What to do if the computer does not see the device?
Alas, there is no single advice, but we will try to understand the situation and consider possible solutions to the problem.
The very first thing you should do is reboot your device. The author of these lines periodically has such a problem and it is solved by rebooting the device. Most likely, there is some failure in the system. If there is a more recent firmware for your device, be sure to update it, it might help.
The next step is a close inspection of the USB cable. It is possible that it is damaged. If possible, try connecting the device with a different USB cable. If it works, then that's the problem.
Connect the device to a different USB port. Perhaps some of them do not work or work incorrectly.
If on the device you see its connection mode, click on this item and try to select another type of connection, for example, not a media device, as in our case, but a USB drive. This can help.
Without disconnecting the device from the computer, try disabling and enabling USB debugging several times in a row. If this works, you will hear a characteristic sound in the speakers, and an autorun window will appear on the computer screen. Also try to just disable USB debugging.
Particular attention should be paid to the drivers, because for some devices you will have to install them yourself. In some cases, you have to install drivers from completely different devices - you can learn more about drivers for a particular device on the thematic forums.
If all else fails, try connecting your device to another computer. If another computer sees it, then the problem is with your computer and possibly the drivers. If another computer did not see the device either, then the problem is either in the cable, or in the device itself, or in the USB port. And be sure to update the firmware version, if possible.
If you have any questions, you can ask them using the comments.
The easiest solution to connect your Android phone to your computer via WiFi is ES File Explorer. The application is free and has a clear interface, but most Android phone owners are limited to using it only as a file manager. To open the network capabilities of the program, you must:
If the connection is successful, all directories on the computer available for public use will be displayed.
To open files from a phone on a computer via WiFi, it is recommended to use another menu item: “Network -> FTP”. Authentication or selection of additional settings is not required. The application will automatically create an FTP server on your smartphone, open the required port and provide a ready-made connection link.
You can view or download files from your phone via WiFi in any browser. It is enough to enter the specified data in its address bar.
If, in addition to viewing files, you need to download folders from your Android device or upload folders to it, you can do this through the standard applications of the operating system. To do this, just enter the server address that was provided by the program directly into the "Explorer" line. Directories that are located in the smartphone's memory will open in the same form as files with folders on the computer itself.
Important! The most complete use of the smartphone's file system when connected in this way can be ensured using specialized FTP clients, such as FileZilla or SmartFTP. But even when working through the standard Windows Explorer file manager, you can copy files from and to your phone.
Using the AirDroid app
In addition to viewing files on a smartphone, this application provides full synchronization of the phone with the computer. Connecting to a computer via WiFi is carried out in several stages.
It is important to remember that the Android device and the computer must be connected to the same network. In this case, if a router is used, a wired connection can be used for the computer, and the smartphone will connect via WiFi. If there are difficulties at the synchronization stage, the smartphone may be connected via the mobile Internet.
After the synchronization is confirmed, the phone is connected. Almost any action that can be performed, you can do remotely, through a computer and a WiFi connection. The interface is designed as a separate desktop. The upper right corner displays information about the device and the amount of free memory. A little lower is the control panel, with which you can send files and folders to the device from your computer.
The icons on this desktop work like menu items on the phone itself. For example, the call log displays full call details. Synchronization is performed in both directions - with the ability not only to view the records, but also to delete them. The changes will be applied on the phone.
When opening contacts, all numbers in the smartphone's memory are displayed. People from the notebook can send SMS or call using a computer.
One of the interesting features of the application is the use of the camera of the device on Android. There are not so many practical applications of this feature, because the phone is already within the range of the WiFi signal.
In the same video streaming mode, the connection to the screen of the device via WiFi also works. There may be a delay when updating information, but it is not so long as to interfere with work.
AirDroid also gives full access to the smartphone's file system, just like ES File Explorer. The data on the phone is transferred via WiFi for both reading and writing.
- Personal computer with Windows XP or Windows Vista operating system
- Mobile phone
- To connect to a computer, you need a USB cable or Bluetooth (must be in both the phone and the computer)
Step 1. Choose a connection method
Transferring data using a cable is the most reliable and affordable of all methods. The speed of file transfer over a Bluetooth wireless connection is less than when transferring via cable, but it is not necessary that the phone be near a computer: the Bluetooth range ranges from 10 to 100 m.
If the device is connected for the first time, the modem drivers will be installed. This is usually done automatically without user intervention. If the installation wizard appears on the screen, simply select "Automatic installation" or follow the instructions to install the drivers from the disk that came with your phone.
Step 2. Connecting the phone
Connecting with a cable
Connect your phone with a cable to your computer. A notification will appear in the lower right corner of the screen in the notification area on the taskbar that a new device has been detected. Wait half a minute. The phone is ready to go.
Often, after connecting the phone, the computer starts to detect and install various devices with incomprehensible names, in this case, just wait for the automatic installation to finish or install the driver, following the prompts of the system.
Bluetooth connection
First, turn on Bluetooth on your phone and computer. After that, you need to link the two devices (pair). To do this, go to the control panel, click on the label "Bluetooth devices". The Bluetooth adapter settings window appears. In the window, click the "Add" button, the search for available devices begins. After a few seconds, the computer will display the search result and display all available devices. The last step is to select the desired phone by double-clicking and in the next step click on "Do not use a passkey". Click "Next" and wait for the wizard to complete the setup.
