Windows 10: Ch340 driver for arduino won't install.

Discus and support Ch340 driver for arduino won't install. in Windows 10 Drivers and Hardware to solve the problem; Tried numerous times to install the CH340 driver for an Arduino Nano. Installation fails each time. All Arduinos worked fine on my previous computer.... Discussion in 'Windows 10 Drivers and Hardware' started by pmlapl, Jul 21, 2021.

  1. pmlapl Win User

    Ch340 driver for arduino won't install.


    Tried numerous times to install the CH340 driver for an Arduino Nano. Installation fails each time. All Arduinos worked fine on my previous computer. This brand new one has the latest windows 10 (21H1), so something is different. I'd like to know how to fix it. Any help or suggestions would be greatly appreciated. Thanks.

    :)
     
    pmlapl, Jul 21, 2021
    #1
  2. Grom0X Win User
    Grom0X, Jul 21, 2021
    #2
  3. arjfca Win User
    Installing USB-SERIAL CH340 drivers (Arduino)

    Hello

    I need to install (remotely) a driver "USB-SERIAL CH340" to allow an Arduino board to communicate with a PC. This driver is used as a serial port over a USB port. Since we are all confined ( Covid-19) , I can't go to his place to help him.

    I got access to his PC uing AnyDesk

    This driver is installed on my own PC, but I can't find a way to install in on my brother Windows 10 PC.

    Any help appreciated
    Good luck to all

    Martin
     
    arjfca, Jul 21, 2021
    #3
  4. ruggb Win User

    Ch340 driver for arduino won't install.

    Windows won't install Arduino drivers


    I have an Arduino Mega 2560 connected USB to a Windows 10 1607 14393-321 system.

    The bd works fine on my laptop printing via Repetier Host. It shows up as a USB-SERIAL CH340 - ver 1607 14393-222
    On my desktop it used to work with ver 8. I upgraded to 12 and now Windows won't install the driver. HOWEVER, Windows also updated since prior to my Arduino update and since the last time I used it.
    I tried rolling back to Arduino ver 9 - same
    I tried installing ver 8 driver, no dice
    I tried driver1_CH340 and driver2_CH340
    driver1 didn't work at all and driver2 came back with an error after it at least tried.
    Anyone got an answer??? Is it Arduino or Windows???
    How do I roll back windows to 222?? It looks like KB3194798 is the update to uninstall.
    thx
     
    ruggb, Jul 21, 2021
    #4
Thema:

Ch340 driver for arduino won't install.

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