Arduino nano driver not recognizing Fixed
It’s a common problem that Arduino nano clone boards are not recognized by some computers. This is because the Arduino nano driver is not coming with the Arduino IDE package. In this case, you need to download and install the CH340/CH341 SER driver on your computer.
The USB drivers are difficult to obtain for most new users. Because the Arduino Nano Clone and the Arduino Uno Original do not use the same driver chip. But have no fear: Srishti Robotics has supplied a link to obtain Arduino Clone CH341 Drivers Download. This will fix Arduino Nano USB Not Recognizing problem on your computer.
Use the USB / Serial CH340/CH341 Driver Download:
Windows 32 bit: Download
Windows 64 bit: Download
USB Serial Driver CH340 can be used for Windows XP / Win 7 / Wind 8. I try to use Windows 8.
If USB Serial Drivers are installed successfully it will be visible in the Devices Manager of Windows
If the problem is not solved, here is some additional information about general upload errors in Arduino.