
Problems installing CH340 drivers on Windows - Arduino Forum
Dec 29, 2023 · Hi Arduino community, I'm getting started with Arduino and I've been having a few problems installing the proper drivers to make my laptop recognize the Arduino UNO I have as …
How to install CH340 driver for windows 11 - Arduino Forum
Aug 2, 2023 · Hi all, I'm new here, pls help me. I tried to installing the ch340 driver for windows 11. I don't know why the ch340 didn't show up after I'm installing the driver. Already tried to …
Problem with CH340 Driver - Uploading - Arduino Forum
Feb 22, 2025 · I have a nano clone that uses the CH340 chip installed the drivers. check device manager nano bd shows as a usb serial converter using the FTDI driver. looking under port it …
CH340 driver rollback workaround works on Windows 10 but not 11
Feb 1, 2024 · Continuing the discussion from Windows 11 Arduino IDE version 2.1.1 COM Port Problem: Hi, this is excattly what I've done and it does not work on Windows 11 (But it …
Can't install driver for CH340 - IDE 1.x - Arduino Forum
Jul 29, 2021 · I've got an old laptop (2nd gen i7) with a fresh install of Windows 10 Pro 21h1 that I'm using in my new workspace to get back into tinkering, which I haven't done in several …
Ch340 drivers causing ftdi and other connection issues
May 14, 2025 · I am running into issues getting my various hardware and computers to talk. I had some ch340 nano clones that I tried to get running and had issues on two of my computers, a …
Windows 10 and CH340 - IDE 1.x - Arduino Forum
Apr 29, 2016 · But if you have the CH340 driver installed, then plug in the CH340 and Windows will just link the driver for you. No need to dig through .inf files. But the fact you "installed" FTDI …
I uninstalled drivers and updated with CH340 latest driver also i …
Feb 13, 2025 · I uninstalled the old driver (checking “Delete the driver software”), restarted Windows, and installed the latest CH340 driver version. I ran the Arduino IDE as administrator …
ESP8266 and CH340 driver. Twist on old problem - Arduino Forum
Nov 7, 2025 · The " Driver Package rollback " dialog will open. Click the radio button next to " My apps don't work with this driver " in the " Driver Package rollback " dialog . Click the " Yes " …
CH340 driver rollback workaround works on Windows 10 but not 11
Nov 11, 2023 · Continuing the discussion from Windows 11 Arduino IDE version 2.1.1 COM Port Problem: Hi, this is excattly what I've done and it does not work on Windows 11 (But it works …