
Unplug And Plug Your Power Cable
Unplug Your Computer’s Power Supply from the back 
of the CPU, whenever you totally remove the power supply to your 
computer and give the power back again which means you are refreshing 
your computer and at that time whichever software or programme is 
missing the system will take it automatically.
Pull out RAM From MotherBoard and clean it.

Pull out RAM From MotherBoard and clean it
If you are facing your USB or any sort of Blue 
screen on your computer then you can reinsert your RAM after cleaning 
it, doing this reclaiming your computer that it should again take all 
the software regenerated by itself and refresh the computer system.
Disconnect And Connect Your USB Devices.

Disconnect And Connect Your USB Devices
Try to insert your device and if you see the error 
again then take out the drive and again after few seconds reinsert it. 
This is a very simple process and very suitable for a computer to 
refresh all the data and software.
Updating Your Device Drivers

Updating Your Device Drivers
These errors are also a claim of undefined or 
non-proper installation of device driver and for that, you should update
 all your drivers which ever shows the error sign, let’s follow the 
below steps to update your computer drivers manually.
Step1. From your desktop press Win+R (Windows Button Plus R button) to open Run command, in that type devmgmt.msc which is a Device Manager and click OK.

devmgmt.msc
Step2. You will see Universal Serial Bus Controller in that you can see the unrecognised devices as Unknown Device.

Unknown devices
Step3. Right Click On Unknown Device you will see Update Drive, click on that and another pop up will appear and from there click on Update Driver, you must have internet access to download it from Windows Official.

Update driver
Now you will have a new updated driver for your USB port to work well for your USB drive.
Move to next possibilities!
What happen when you see a caution mark over any 
driver on that Device Manager Universal Serial Bus? The below Image will
 make you understand.

caution mark drivers
Step1. Just uninstall that driver, Restart your computer and then again plug your device if you see an error then again update that USB by the same above process.

uninstall
Note: After every install you should restart your computer.
 How to Fix USB Device Not Recognized Error In Windows OS
 
        Reviewed by Unknown
        on 
        
November 23, 2017
 
        Rating: