Fix Error NVIDIA Code 43: Windows has stopped this device because it has reported problems

Are you also getting the error NVIDIA Code 43? Is your graphics card causing problems with your computer? You are not the only one. This error has been bugging a lot of our users lately. There is no official fix rolled out by NVIDIA because there is nothing wrong with their graphics card or its driver. Then why are you getting this error? And how to fix it? Don’t worry. We have all the answers and we will help you get rid of this error.

The error Code 43 means the computer is unable to identify the required hardware. It then tries to access the device and synchronize it, but it fails to do so, which leads to error Code 43. Now, let’s try to fix it.

 

Fix NVIDIA Code 43: Windows has stopped this device because it has reported problems

The reason behind NVIDIA Code 43 error could be a new driver update or latest Windows update. Also, NVIDIA issue an official statement after the latest Windows update that a software named Lucid VIRTU MVP is not completely compatible with NVIDIA devices. So, it could also be the reason behind this error. Let’s solve these problems one by one. You just need to simply follow the methods and their steps.

Fix 1 – Disable and Enable Nvidia Graphics Card driver

If Lucid MVP software isn’t the one causing problems, then most probably the graphics card adapter isn’t inserted properly. In this method, we have to make sure it is inserted properly. Follow the steps to do so.

 

Step 1. Right-click on Windows logo or Start button and select Device Manager.

 

 

Step 2. Expand Display adapters and right-click on the NVIDIA graphics card device name. Select Disable device.

 

 

Step 3. Now, try one of these steps, whichever matches your condition.

• If you are a laptop user, you will have to perform a hard shutdown. To do so, press the power button on your laptop until the computer shuts down. Now, take out the battery.
• If you have a PC, turn of your computer, take the main cable out from the power source and open the lid of CPU. Make sure the graphics card adapter is inserted perfectly in its slot.

 

Step 4. After performing the above step, connect the cable back to the power source/insert the battery. Now, turn your computer back ON.

 

Step 5. Right-click on Windows logo or Start button and select Device Manager.

 

 

Step 6. Expand Display adapters and right-click on the NVIDIA graphics card device name. Select Enable device.

 

 

This should fix the problem. If the problem still persists, try the next method.

Fix 2 – Perform a hard Power Cycle on your computer

1) Shutdown your PC.

2) Unplug the charger and take out the battery of the laptop.

3) Now, Press the power button of your PC and keep it pressed for at least 1 minute.

4) Now, connect back the charger again and then insert the battery again.

5) Now, start your computer normally.

Fix 3 – Uninstall NVIDIA Software from the control panel

1. Press Windows Key + R Together.

2. Now, Write Control Panel in it and Press OK.

3. Now, Click on Uninstall a Program under Programs section.

4. Now, Uninstall NVIDIA Physx System , Then Nvidia Geforce Experience and finally Nvidia Graphics Driver and then  in the same order.

 

 

 

5. Finally Reboot your PC. Your Windows 10 OS will automatically reinstall these on your PC.

Now, try again and check if error is gone or not.

Fix 4 – Uninstall Lucid VIRTU MVP Software

NVIDIA has said in their official statement that this software is causing discrepancies which is the reason behind many problems, along with Code 43. The Lucid VIRTU MVP software is used to switch between your onboard graphics card and the discrete one, which is an important use. But, as this software isn’t compatible with NVIDIA devices and the same has been said by NVIDIA Corporation, we will start with uninstalling it first.

 

Step 1. Go to Cortana and type Control Panel. Press Enter.

 

 

Step 2. In Control Panel, open Uninstall a program under Programs.

 

 

Step 3. Look for Lucid MVP from the list of applications. Locate it, and right-click on it. Select Uninstall.

 

 

Step 4. Restart your computer when the uninstallation is finished.

Note: – Other softwares which causes this kind of problem are

• UPSilon
• duetdisplay
• f.lux

If you have UPSilon installed, just uninstall and try again.

This should solve the problem. If the NVIDIA graphics card is still giving Code 43 error, try the next method.

Fix 5 – Uninstall Nvidia Driver

Step 1. Right-click on Windows logo or Start button and select Device Manager.

 

 

Step 2. Expand Display Adapters and right-click on your NVIDIA graphics card name. Select Uninstall device.

 

Step 3. Restart your computer.

Fix 6 – Check if your Graphics is legit and is properly inserted

May be your Nvdidia graphics card is not being recognized or its a fake one. To know correctly about the graphics card, you can download a free utility named GPU-Z.

Just , run it on your PC and this will tell you your correct Graphics driver on your PC.

Fix 7 – Check your PCI-E 6 pin cable

Make sure that your PCI-E 6 pin cable is connected properly. Try to reconnect it and push it properly, as due to a loose connection of the PCI-E 6 pin cable , the power is not being supplied to Graphics card and this error occur sometime.

Fix 8 – Run SFC and DISM commands

1. Search cmd in windows 10 search box and right click and run as administrator.

2. Now, run the command given below ]

SFC /SCANNOW

3. Once the above command gets executed fully, run the commands given below one by one.

Dism /Online /Cleanup-Image /StartComponentCleanup
Dism /Online /Cleanup-Image /RestoreHealth
Dism /Online /Cleanup-Image /CheckHealth

Fix 9 – Install Default Graphics Driver

The problem could be with the drivers of NVIDIA graphics card. In this method, we will uninstall its driver in safe mode. Don’t worry. The default driver will get automatically installed after the restart later.

 

Step 1. The first step is to boot your computer in Safe Mode. Go to Start menu and then click on the Power button. Now, while pressing the Shift button on your keyboard, click on Restart.

 

 

Step 2. The last step will open up a blue screen with a few options. Here, select Troubleshoot.

 

 

Step 3. Select Advanced Options.

 

 

Step 4. Go to Startup Settings.

 

 

Step 5. Now, as you will see a number of options on the screen. We can boot the computer in safe mode in three different ways, according to necessity. Here, press F4 to enable only safe mode. The computer will restart after that in Safe Mode.

 

 

Step 6. As you have safely booted in Safe Mode, right click on the start button and open Device Manager.

 

 

Step 7. Expand Display Adapters and right-click on your NVIDIA graphics card name. Select Uninstall device.

 

Step 8. Restart your computer.

 

As soon as the computer restarts, the default driver of NVIDIA graphics card will get installed automatically. Check if the error is solved. If the problem still persists, try the next method.

Fix 10 –  Update NVIDIA Graphics Card Driver

Another reason behind the issue could be outdated drivers. In this method, we will update the drivers.

 

Step 1. Right-click on the Start menu button and select Device Manager.

 

Step 2. Expand Display adapters and right click on the name of your NVIDIA graphics card. Select Update Driver.

 

 

Step 3. Now select Search automatically for updated driver software.

 

 

Step 4. After the update, restart your computer.

This should fix the problem.