The error message accompanying it reads Windows has stopped this device because it has reported problems (Code 43). Also, the device with which the issue is encountered crashes. Therefore, it is imperative to eliminate the error code 43 in Windows 11 to get things up and running like before.

What does error code 43 mean?

The error is usually encountered with external USB devices or graphics cards, but it could also happen with other pieces of hardware. From user experience, the two primary triggers include:

Driver-related factors – These may be corrupted drivers or, in some cases, outdated drivers. Startup settings – Primarily, Fast Startup may trigger this error because even though it is efficient in reducing boot time, such speed may start drivers to malfunction.

When the error is encountered, it indicates an issue with the device that has stopped working, the relevant driver has crashed, or it has notified Windows that the device has run into a problem. Since the error primarily involves the device driver, we will explore almost every troubleshooting method that deals with it. And by the time you are done with this guide, error code 43 in Windows 11 will eliminate the problematic device.

How do I fix error code 43 in Windows 11?

Before going into the solutions, try the following primary measures:

First, reconnect the device if it is external. For instance, if you faced the error code 43 in Windows 11 with USB storage, remove it and connect it to another port on the same system. Also, there’s a possibility that another device is conflicting with the current one, and you may run into the error. In this case, shut down the computer, and unplug all non-critical peripherals with only the mouse, monitor, and keyboard connected.

1. Update Windows 11

2. Reinstall the driver

If it’s a corrupt driver behind the Windows 11 error code 43, it can be easily fixed by reinstalling the device. Also, it’s easy to identify one. A device with a corrupt driver will have a warning sign at the corner of its icon.

3. Update the driver

An outdated driver often caused the Windows 11 error code 43 for users. This could be a bug in the current version or a one-time crash. But to be on the safe side, you should update the driver. SPONSORED With each update, the manufacturer will be various new features, performance enhancements, and patches for previously known bugs. Therefore, it’s recommended that you always have the latest driver version installed. You can always manually install the latest driver version if the Device Manager method cannot get the update process through. Or, you can use a reliable third-party app to update the installed drivers automatically. We recommend using DriverFix, a reliable tool that will automatically look for any available updates, and install them on your computer, thus keeping all the drivers up-to-date.

4. Roll back the driver update

If the error code 43 in Windows 11 started ever since you updated the driver, you could roll back to the previous version. When you update a driver, Windows will save the files for the currently installed version in case things don’t work out and you want to reinstall it.

5. Disable Fast Startup

Fast Startup is a Windows feature that lessens the OS’s boot time by keeping specific critical drivers and the kernel in an active state to load when the computer is turned on quickly. After disabling fast startup, check if Windows 11 error code 43 is eliminated. In case it persists, head to the following method.

6. Change power settings for the malfunctioning device

If the computer is allowed to turn off a device, it might lead to issues when restarting and cause the Windows 11 error code 43. So, you should disable the feature. These are all the ways you can fix the error and get the malfunctioning device up and running. If none of the methods listed here work, you may reset Windows 11 to its factory settings. Also, several users have reported that Windows 11 is not recognizing USB devices, another similar error that can be easily fixed. So, if you ever encounter it, go through the methods listed in the linked guide. Tell us which fix worked for you in the comments section below.

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