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Windows 10 users have reported a new Unknown USB Device error which has started to show up suddenly. The Unknown USB Device error says Device Descriptor Failure or Device Descriptor Request Failed, and a USB device is no more recognized by the Windows. This can also happen with an SD Card and the computer will no more read the SD card when it is inserted in the card slot.
If your USD device has suddenly stopped working, or if you are getting this error, there is nothing to worry anymore. We will help you fix this problem and error using our methods. Simply follow and perform the methods one by one, until the issue is fixed.
The error can occur due to different reasons. So, you may have to try a number of methods, before it gets fixed. Perform these methods to solve the problem. Before going to try the methods , just Note that If you’re using a USB hub, or have mixed 2.0 and 3.0 USB ports, just try plugging your USB device directly into the 3.0 port and see if it works.
Fix 1 – Reinserting The power supply
If the problem is caused due to Power Supply, this method can instantly fix the problem.
1. Remove the Power plug from Laptop.
2. Insert the Power supply again.
3. Reboot your computer and connect the USB device in the USB port.
Fix 2 – Reinstall Unknown USB Device Driver
In this method, we will uninstall the drivers of the Unknown USB Device (Device Descriptor Failure). Faulty drivers can cause this error as well. This could have happened as Windows automatically updates the drivers through Windows update, and it could have installed wrong or corrupt drivers. So, in this method, we will uninstall the Unknown USB Device (Device Descriptor Failure) drivers so that it can roll back to default drivers. Follow the steps to perform this method.
Step 1. Open Device Manager. To open Device Manager, right-click on the Start menu button and select Device Manager.
Step 2. Now, look for Unknown USB Device (Device Descriptor Failure) item with yellow sign. It is located under Universal Serial Bus Controllers. Expand it and right-click on Unknown USB Device (Device Descriptor Failure). Click on Uninstall device.
Step 3. Now, unplug the USB device from your computer, if it wasn’t already unplugged, and plug it back in the USB slot.
Step 4. Scan for hardware changes. On the Device Manager window, click on Scan for hardware changes.
Windows will now reinstall the Unknown USB Device (Device Descriptor Failure) drivers. This should fix the issue. If the problem is still not solved, try the next method.
Fix 3 – Disable USB Selective Suspend Settings
In this method, we will try to fix the issue by disabling USB Selective Suspend Settings. A number of users have found that performing this method has worked for them. Follow the steps to perform this method.
Step 1. Open Power Options. To open Power Options, right-click on Start menu button and select Power Options.
Step 2. The last step will open the Power Options settings window. Here, look for Additional power settings and click on it. It will be located under Related settings.
Step 3. Now, click on Change plan settings of the selected plan on your computer.
Step 4. In the Edit Plan Settings window, select Change advanced power settings.
Step 5. The last step will open a small Power Options window. Here, look for USB Settings and expand it.
Step 6. Now, expand USB selective suspend setting. You need to change the status of all the entries to Disabled. After that, click on Apply and then on OK.
Fix 4 – Turn Off Fast Startup
In this method, we will try to fix the problem by turning off fast startup. A number of users have reported that this method has worked for them. Windows 10 boots up very quickly, and due to this many (external) USB devices are not getting recognized by Windows. Follow the steps to perform this method.
Step 1. Open the Control panel. To do this, go to Cortana and type Control panel. Click on Control Panel from results.
Step 2. The last step will open Control Panel. In the Control Panel window, click on Choose what the power button does. It is located on the left side of the window.
Step 3. Now, select Change settings that are currently unavailable.
Step 4. Here, you need to unmark the box beside Turn off fast startup (recommended). It is located under Shutdown settings. After that, click on Save changes.
Step 5. Now restart your computer.
After restarting the computer, check if the problem is solved. If the issue still persists, try the next method.
Fix 5 – Troubleshoot the Error
In the first method, we will try to fix the issue using Windows Troubleshoot. Windows Troubleshoot is Windows’ inbuilt tool that searches for issues and fixes them. Many users have fixed the error using this method. Follow the steps to fix the problem.
Step 1. Open Troubleshoot. To open Troubleshoot, Go to Cortana and type Troubleshoot. Select Troubleshoot from results.
Step 2. The last step will open a Troubleshoot window. Here, click on Hardware and Devices.
Step 3. Now the Windows will check for issues. When the process is done, click on Apply this Fix or ApplyRepair Automatically, whichever appears.
Step 4. After applying the fix, you just need to restart your computer.
This should fix the problem. If you are still facing the problem, follow the next method.
Fix 6 – Update USB Device’s Drivers
In this method, we will try to fix the issue by updating the drivers. This could fix the problem as rolling them back didn’t help you in the last method, so most probably the drivers are outdated on your computer. Follow the steps to perform this method.
Step 1. Right-click on the Start menu button and select Device Manager.
Step 2. Now, look for Unknown USB Device (Device Descriptor Failure). It is located under Universal Serial Bus Controllers. Expand it and right-click on Unknown USB Device (Device Descriptor Failure). Click on Update Driver.
Step 3. Click on Search automatically for updated driver software.
Now the Windows will download and install the latest drivers for the troubled USB device. When the process is complete, restart your computer and you will be free of the error.
If this method didn’t work for you and you are still stuck with the error, try the next method.
Fix 7 – Uninstall USB Root Hub Drivers
In this method, we will try to fix the issue by uninstalling the drivers for USB Root Hub devices. The Windows will automatically reinstall the drivers after restarting the computer. Follow the steps to perform this method.
Step 1. Right-click on the Start menu button and select Device Manager.
Step 2. Expand Universal Bus Controllers. Here, right-click on the first USB Root Hub select Uninstall device.
Drivers prime laptops & desktops refurbished. Step 3. Repeat the above step for remaining USB Root Hub devices.
Step 4. Restart your computer.
After performing the restart, the Windows will recognize USB Root Hubs as the new devices and will install its drivers automatically. This should fix the problem. Connect your USB device in the USB slot, it will work properly now.
We hope we were able to help you fix this issue using our methods. If you fixed this issue using some other method, or if you have any questions regarding the issue, please mention them below in comments.
- 4Install the Driver
Download Arduino Environment
You can directly download the latest version from this link: http://arduino.cc/en/Main/Software. When the download is finished, unzip the downloaded file. Be sure to preserve the folder structure. Double-click the folder to open it. There should be several files and sub-folders inside.
The Arduino Software (IDE) allows you to write programs and upload them to your board. In the Arduino Software page you will find two options:
1. If you have a reliable Internet connection, you should use the online IDE (Arduino Web Editor). It will allow you to save your sketches in the cloud, having them available from any device and backed up. You will always have the most up-to-date version of the IDE without the need to install updates or community generated libraries.
2. If you would rather work offline, you should use the latest version of the desktop IDE .
Install the Arduino Desktop IDE
To get step-by-step instructions select one of the following link accordingly to your operating system.
Windows
Mac OS X
Linux
Portable IDE (Windows and Linux)
Choose your board in the list here on the right to learn how to get started with it and how to use it on the Desktop IDE.
Example for Installing Arduino IDE
STEP 1: Go to https://www.arduino.cc/en/Main/Software and find below page on the official website.
The version available at this official website is usually the latest version. So in the following will show you the installation for this version.
In general, we will provide you with the Arduino 1.5.6 version package in our data. And the setup will be the same.
STEP 2：Download the development software that is compatible with the operating system of your computer. In the following, take Windows as an example.
First, Click Windows Installer, you will get the following page.
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Then, Click JUST DOWNLOAD. After downloading the software installation package to your PC, start the STEP 3 below.
STEP 3：Installing Arduino Software(Windows)
Install Arduino with the exe. Installation package you have downloaded well.
Get the latest version from the download page. You can choose between the Installer (.exe) and the Zip packages. We suggest you use the first one that installs directly everything you need to use the Arduino Software (IDE), including the drivers. With the Zip package you need to install the drivers manually. The Zip file is also useful if you want to create a portable installation.
Frist,Click “I Agree”.
When the download finishes, proceed with the installation and please allow the driver installation process when you get a warning from the operating system.
Then, click “Next”
Next, click “Install”.
When the following interface appears, click Install to finish the installation.
Finally, click “Close” after completing the installation.
And you will see the following icon appear on the desktop
Install the Driver
Installing Drivers for Arduino Board in Windows 7
Before launch the Arduino software, you are going to install the USB drivers.
Plug one end of your USB cable into the Arduino and the other into a USB socket on your computer.
- First, right click “Computer” —>select “Properties”—> click “Device manager”, you should see an icon for ‘unknown device’ with a little yellow warning triangle next to it. This is your Arduino.
- Right-click on the device and select the top menu option (Update Driver Software..).
- You will then be prompted to either ‘Search Automatically for updated driver software’ or ‘Browse my computer for driver software’.
In this page, click “Browse my computer for driver software”.
- Select the option to browse and navigate to the drivers folder.
- Click 'Next' and you may get a security warning, if so, allow the software to be installed. Once the software has been installed, you will get a confirmation message.
- Installation completed, click “Close”.
- After installation, go to check the “Device manager” again. right click “Computer” —> “Properties”—> “Device manager”, you can see the device shown as below figure.
Example for Using Arduino IDE
When successfully installing the USB driver for UNO R3 board, you can find the corresponding serial port in Windows Device Manager.Next, we will show you the program “Hello World!” displayed on the serial monitor of Arduino IDE. Here we use the Arduino 1.5.6 version.
Sample Code as below:
Copy and paste the following source code to Arduino IDE.
Then,set the Board and COM port, shown below.
If setting well the board and port, you can see it display on the bottom right corner, which is the same as the Device Manager display.
Then, click the verify to compile the sketch, if no mistake, click upload to upload the program.
Done uploading, open the serial monitor on the upper right corner and set the baud rate as 9600, enter an “R” and then click “Send”, finally you can see the D13 indicator on the UNO R3 board blinks once, and “Hello World!” is displayed on the serial monitor. Shown below.
Congrats. Your first programming is done well!
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Related Data Download
Using Method for keyestudio UNO R3:
You can download the driver installation or software from below link:
https://drive.google.com/open?id=12D-JkXdNm03Qt4dlPQr3RP6OmgXqpvHc
Reference for Arduino Programming Language
Arduino programming language can be divided in three main parts: structure, values (variables and constants), and functions.
You can see more details on the following link:
https://www.arduino.cc/reference/en/
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