Hi,
I had he same error on windows 7 (USB2.0-serial driver not installed).
I bought the arduino nano from banggood for 3$ (Geekcreit® ATmega328P Nano V3 Module Improved Version With USB Cable Developmen Sale - Banggood USA)
solution was to take the CH340G driver for windows (CH340G converter Wind… Answer from system on forum.arduino.cc
Driverscape
driverscape.com › download › usb2.0-serial
USB2.0-Serial Drivers Download for Windows 10, 8.1, 7, Vista, XP
Use the links on this page to download the latest version of USB2.0-Serial drivers. All drivers available for download have been scanned by antivirus program.
usb2.0-serial
Hi to all at arduino just wondering if any one can help. i have an uno r3 and a nano pro. the uno works great no probs, connects, uploads. really happy with it. but when i plug the nano in to xp sp2 pc via usb, it finds new hardware but wont install the drivers. i cant find these usb 2.0-serial ... More on forum.arduino.cc
usb2.0-serial
powerpsy: Hi, I had he same error on windows 7 (USB2.0-serial driver not installed). I bought the arduino nano from banggood for 3$ (Geekcreit® atmega328p nano v3 module improved version with usb cable development board geekcreit for arduino - products that work with official arduino boards ... More on forum.arduino.cc
USB 2.0 - serial Driver Unavailable
Unable to update driver automatically, also manually i have arduino UNO R3 SMD Type More on forum.arduino.cc
I brought this board from Amazon.It blinks when I plug into my laptop.But I couldn't work with it. It shows as "USB 2.0-Ser!" in the device manager. And I couldn't update drivers too.Any idea what I am missing here? Thanks in advance (Sorry for the bad English)
You probably need CH340 drivers More on reddit.com
Videos
05:03
Fix USB2.0-Ser! Driver issue for USB to RS232 Serial Adapter || ...
04:04
Arduino Windows USB driver installation Ch340 - YouTube
- YouTube
04:54
how to solve USB2 0 SERIAL DRIVE problem using ch340 driver - YouTube
01:27
Arduino Uno R3 CH340 - USB 2.0 Driver - YouTube
05:00
Instalando drivers do arduino (USB2.0-Serial driver CH340g) - YouTube
SparkFun Learn
learn.sparkfun.com › tutorials › usb-serial-driver-quick-install- › all
USB Serial Driver Quick Install - SparkFun Learn
Windows will likely complain about the device not having the correct driver. It may attempt to find it. If you have never plugged in a similar device to your computer, it probably won't find a driver to use. Luckily, when you downloaded the Arduino IDE, it also came with all the necessary drivers.
Arduino Forum
forum.arduino.cc › development tools › ide 1.x
usb2.0-serial - IDE 1.x - Arduino Forum
November 27, 2014 - Hi to all at arduino just wondering if any one can help. i have an uno r3 and a nano pro. the uno works great no probs, connects, uploads. really happy with it. but when i plug the nano in to xp sp2 pc via usb, it finds new hardware but wont install the drivers. i cant find these usb 2.0-serial drivers anywhere. iv tried re-installing the ftdi drivers from arduino site but the comm port still does not show up in the ide and i still have usb 2.0-serial flagged up in device manager. again, if...
Arduino Forum
forum.arduino.cc › development tools › ide 1.x
usb2.0-serial - Page 2 - IDE 1.x - Arduino Forum
September 16, 2016 - I bought the arduino nano from ... (CH340G converter Windows 7 driver download | arduined.eu) Download the archive then run the installer in the CH341SER drawer....
Arduino Forum
forum.arduino.cc › development tools › ide 1.x
USB 2.0 - serial Driver Unavailable - IDE 1.x - Arduino Forum
February 12, 2019 - Unable to update driver automatically, also manually i have arduino UNO R3 SMD Type
d0wnloadadam
d0wnloadadam.weebly.com › usb-20-serial-driver-download.html
Usb 2.0 Serial Driver Download - d0wnloadadam
Usb2.0 Serial Driver Download · Download the latest USB 2.0 Serial driver for your computer's operating system. All downloads available on this website have been scanned by the latest anti-virus software and are guaranteed to be virus and malware-free. USB to serial drivers for most serial RS232 devices. Download drivers for most types of USB to serial adapters and converters. Link Driver: For Arduino Uno R3 CH340 for non-genuine (it worked for my Mega 2560 too) If you.
Robotsforfun
robotsforfun.com › webpages › driver.html
Robots For Fun
1. Click on the link to download the driver. The downloaded zip file should be in the Downloads folder. Arduino USB2.0-Serial Driver (for Windows PC) USB to UART cp210x44 driver (for Windows PC) 2. Browse to the Downloads folder and open up the zip folder that you just downloaded.
Arduino
docs.arduino.cc › retired › boards › arduino-usb-2-serial-micro
Arduino USB 2 Serial Micro
September 30, 2025 - We value our legacy, so we make sure to never get rid of our older documentation. In this page, you can find information for all our retired boards, shields, kits and other legacy products. To access The Arduino Playground, our legacy community wiki, you can go to playground.arduino.cc.
Reddit
reddit.com › r/arduino › i brought this board from amazon.it blinks when i plug into my laptop.but i couldn't work with it. it shows as "usb 2.0-ser!" in the device manager. and i couldn't update drivers too.any idea what i am missing here? thanks in advance (sorry for the bad english)
r/arduino on Reddit: I brought this board from Amazon.It blinks when I plug into my laptop.But I couldn't work with it. It shows as "USB 2.0-Ser!" in the device manager. And I couldn't update drivers too.Any idea what I am missing here? Thanks in advance (Sorry for the bad English)
October 14, 2021 - Bring us your Arduino questions or help answer something you might know! 😉 ... Tiếng ViệtPortuguês (Brasil)FrançaisNorsk (Bokmål)Bahasa MelayuSvenskaRomânăMagyarItalianoSuomiไทย ... Thanks . Now it works perfect. ... If u see windows 10 or 11 u could go to settings -->updates there will be additional updates then u could download the drivers without 3rd party
Arduino Forum
forum.arduino.cc › development tools › ide 1.x
UNO enumerated as "USB2.0-Serial" and no driver loads - IDE 1.x - Arduino Forum
January 12, 2018 - I have a new "UNO" R3 which seems to run a pre-loaded "Blink" when attached to the USB port, but I cannot for the life of me get a driver to load so that I can use the IDE. The UNO is enumerated as "USB2.0-Serial" and no…
Sparks
sparks.gogo.co.nz › ch340.html
CH340 Drivers for Windows, Mac and Linux - Gogo:Tronics
Direct Download Links (from the github repo above):
Arduino Forum
forum.arduino.cc › development tools › ide 1.x
USB2.0 driver & CH340G driver not working - IDE 1.x - Arduino Forum
February 23, 2018 - HI All, I have Arduino Nano ATmega328P with a windows 10 laptop. Tried solving the missing driver error (USB2.0 driver) by installing CH340G driver fromhttp://www.wch.cn/download/CH341SER_EXE.html however now I am able…
SeeedDoc
seeeddoc.github.io › Download_Arduino_and_install_Arduino_driver
Download Arduino and install Arduino driver
You should see an open port named "USB Serial Port" Right click on the "USB Serial Port" and choose the "Update Driver Software" option. Next, choose the "Browse my computer for Driver software" option. Finally, select the driver file named "FTDI USB Drivers", located in the "Drivers" folder of the Arduino Software download...
Readthedocs
cow-pi.readthedocs.io › en › 202308 › troubleshooting › nano.html
Troubleshooting Connections to Arduino Nanos — Cow Pi 2023.08 documentation
If Windows reports that “Windows ... to the Arduino Nano. On the other hand, if Windows reports that “Windows was unable to install your USB2.0-Ser!”, then the How to Install CH340 Drivers page at sparkfun.com will guide you through manually downloading the driver and ...
Arduino Forum
forum.arduino.cc › development tools › ide 1.x
Arduino UNO as USB2.0-serial. Cant update driver (WIN10) - IDE 1.x - Arduino Forum
April 2, 2021 - Hello, Hope someone can help. Strange thing here, probably I'm missing something New PC (to Arduino, running strong for almost a year). Wanted to install Arduino UNO with 3 motor shield V2 (used on another computer without any problem). Installed IDE, but it is not recognized, not as UNO without a driver, just USB serial 2.0. Update driver, select folder, but can't chose arduino.inf, just the folder and windows don't find the driver.
Readthedocs
cow-pi.readthedocs.io › en › 202411 › troubleshooting › nano.html
Troubleshooting Connections to Arduino Nanos — Cow Pi 2024.11 documentation
If Windows reports that “Windows ... to the Arduino Nano. On the other hand, if Windows reports that “Windows was unable to install your USB2.0-Ser!”, then the How to Install CH340 Drivers page at sparkfun.com will guide you through manually downloading the driver and ...