Windows 8 and 8.1 Forums


Graphics driver stopped working ! (Code 43)

  1. #1


    Posts : 26
    Windows 8

    Graphics driver stopped working ! (Code 43)


    So my graphics card, GeForce GT 740M, stopped working and its whining "Windows has stopped this device becouse it has reported problem (Code 43)" Or something like that, hard to translate exact words since my OS isnt in english. I have tried new drivers and ive tried to reinstall my windows. Nothing seems to help. It might be a hardware issue but i want to be sure before i send this back to store becouse it takes long time to come back. Is here someone with the same problem or someone who have solved it ?

    My computer is Acer Aspire V3-771G if thats relevant. My computer has 2 graphics drivers, integrated Intel HD Graphics 4000 for normal use and then this Nvidia GeForce GT 740M for more graphic intensive stuff. My computer is brand new and my Nvidia worked just fine but now i can only use my Intel HD Graphics and my Nvidia wont start up even when i go to play some games which normally launched it. I got couple BSOD's (DCP_WATCHDOG_VIOLATION and VIDEO_TDR_FAILURE (there was a 3rd one but cant remember, didnt pick the name up) after these BSOD's it quit working and started telling about this Code 43. If i try to acces my Nvidia control panel is says "You are not using a display that is connected with Nvidia GPU". I still can see the program in my device manager and in my system tray and also in my Hardware and Sound section. So it shouldnt be totally broken ?

    Is it safe to totally delete everything Nvidia related from my computer, does it affect my warranty or something ? How to reinstall the Nvidia if i delete it ? And ofcourse tell me if you are sure its hardware issue and cant be fixed alone.

    (I have other thread called "Cant acces my Nvidia control panel" but the title is kinda misleading so i wanted to start a new thread where i tell the exact problem. If there is some admin or someone who can delete that other thread it would be good, i dont need it.)

    Edit: My integrated graphics card works just fine, only Nvidia has problems.

      My System SpecsSystem Spec

  2. #2


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    I have same machine but with 730M. First I would use DDU here: https://forums.geforce.com/default/t...sed-03-01-14-/

    Then, I would go here and download/install the Acer NVidia VGA drivers and probably the Intel VGA drivers also. Do the Intel first. Acer | Download

    Be sure download the 8 or 8.1 drivers.
      My System SpecsSystem Spec

  3. #3


    Posts : 26
    Windows 8


    Thanks, Popeye !

    Ill propably try that out but after uninstalling my graphics card, can it totally disappear from my computer like i cant reinstall it ? If its possible im not sure if i wanna do that. When i went to Nvidia site and pressed "Automaticly detect your GPU" it said that it cant detect any Nvidia GPU from my computer. Im just worried that if i uninstall my card with that DDU and cant reinstall it, it might effect on warranty and they might not repair to for free and i have to take my computer to another place for repair and pay for it. Is it safe to use that DDU ?
      My System SpecsSystem Spec

  4. #4


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    Anything software related should not affect your warranty. Since it is not working now you have nothing to lose really. If it is hardware problem then it will definitely be covered by the warranty. You do what you want. Saying if it were me, I'd try what I suggested first.

    Worst case also if you do decide to send it back, try a factory reset first and see if that fixes it.
      My System SpecsSystem Spec

  5. #5


    Posts : 26
    Windows 8


    I have reinstalled my windows, doesnt it mean factory setting ? If not i most likely try them out before using DDU. I have lost every downloaded software etc from my computer so i wont mind if this goes back to factory settings. I also got couple messages "Display driver has stopped working but has recovered" before it stopped working, if this has something to do with it.
      My System SpecsSystem Spec

  6. #6


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    You should have this in your Acer programs. You have to decide what you want to do, I can only provide suggestions.

    Click image for larger version
      My System SpecsSystem Spec

  7. #7


    Posts : 26
    Windows 8


    I have reinstalled windows and now i restored factory settings... Still telling me that windows have stopped this device (Code 43)... So it is broken, isnt it ? I just most likely send this back to store for fixing. Just my luck, Just my luck... Can someone even tell me that how this could have happened ? What causes code 43 ?
      My System SpecsSystem Spec

  8. #8


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    Your graphics card may be broken, stuff simply breaks. Did you overheat it? You can read more here: Code 43: Windows has stopped this device because it has reported problems

    There is a fix you can try here: Hardware devices are not working or are not detected in Windows
      My System SpecsSystem Spec

  9. #9


    Posts : 26
    Windows 8


    Thank !

    I deleted Nvidia from device manager and reinstalled it. Now it say that this device is working properly. I still cant acces my nvidia control panel. It says that im not using a display that i connected with Nvidia GPU. What to do with this ?
      My System SpecsSystem Spec

  10. #10


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    First install the latest Intel graphic drivers here: https://downloadcenter.intel.com/Sea...01&FamilyId=39

    Then install latest Nvidia graphics drivers from here: NVIDIA DRIVERS GeForce 335.23 Driver WHQL
      My System SpecsSystem Spec

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Graphics driver stopped working ! (Code 43)
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