"Hi, please help me solve this issue. I have a USB flash drive that worked with no problem all the time until last week. When I plugged it in my Windows 10 PC, I get a message saying the device is not recognized due to malfunction, and in Device Manager I'm told that Windows has stopped this device because it has reported problems (code 43). This is the first time I receive Error code 43 USB in Windows 10. Any fix methods from you will be greatly appreciated. Thanks."
A majority of Windows users are confused about various error codes in Device Manager in Windows. As for code 43 error, it's one of the Device Manager error codes which means "Windows has stopped this device because it has reported problems. (Code 43)". When you get this error with USB devices, then it probably tells you that a device driver notified the operating system that the device failed. Or this circumstance can occur if the device hardware fails or if the device driver fails.
Here are several ways for you to fix error code 43 Device Manager issue. Hope at least one of them works for your USB error in Windows 10.
1) Open Device Manager by directly typing "Device Manager" in "Search the web and Windows" box next to Windows 10 start menu. Click Device Manager. It then opens with your computer name at the top and a list of devices that are installed on your computer beneath your computer name.
2) Locate the malfunctioning device in the list of devices, right-click the device, and then click Uninstall. When a warning message appears that you are uninstalling a device from your system, click OK. Device manager uninstalls the device.
3) Right-click your computer name in Device Manager and click Scan for hardware changes. Device manager scans your system and automatically reinstalls your device.
4) Right-click the device and click Properties. On the General tab of the device Properties dialog box, in Device status, you should see the message This device is working properly.
Unplugging USB from the computer sometimes doesn't resolve the problem because the battery still holds power. To fix this, unplug all of your USB devices, then turn off the PC and take out the battery (This is assuming that you’re on a laptop), let the PC set for about 5 minutes, then put the battery back in and restart the PC. Next, plug your USB devices back in one at a time and make sure that they work.
Try to install the latest drivers for your USB drive. It's very likely that installing the latest drivers for the device will remove code 43 error. If the current driver is the update-to-date version, try to uninstall and then reinstall.
Did you make any system change before receiving USB error code 43 in Windows 10? For some reasons, making changes in Device Manager may result in code 43 issue. To resolve the problem, use system restore and undo recent changes related to Device Manager.
To access to system restore in Windows 10, open Control Panel -> System -> System Protection on the left panel -> under System Protection click System Restore.
Or if you're using a third-party system backup software, you can restore system from the system backup image. For EaseUS free backup software customers, learn from here how to do system restore with EaseUS Todo Backup.
For the case that code 43 USB error may cause Windows OS fail to detect or recognize USB drive, making USB data inaccessible. It's quite necessary to learn how to recover data from not recognized external drive in Windows. EaseUS free USB recovery software is good at retrieving lost, deleted, inaccessible, unreadable, formatted and virus infected data from external USB flash drives. Download the powerful free data recovery software now, and get back data from code 43 error USB in Windows 10.
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