Sometimes this happens: you work quietly at your computer, when suddenly some strange tablet pops up and informs you that something is wrong with your “workhorse”. At first, this can be scary, but if you look, not all system error messages are as scary as we think. In addition, most of them are completely capable of fixing with their own hands. The main thing is to understand what happened. An error code will help you figure this out (43, for example). So what does this mean? This suggests that your video card is to blame for the problems that have arisen. Error code 43 may also indicate a problem with USB, but in most cases, such a sign appears when the video card drivers fail. What to do about it? Read below.
Error code 43: malfunction of the video card
It happens that drivers fly to the video card, and it becomes simply impossible to reinstall them again. In this case, you need to contact the "Task Manager". Most likely, the icon of the video card will be marked with a yellow icon with an exclamation mark, and in the detailed properties you can find the following: “This device was stopped because it reported a problem. (Error code 43). " In different versions of Windows, the message may be different, but the essence will always be the same: the video card malfunctions.
Error Code 43: How to Fix It?
To solve this problem, you can try reinstalling your operating system, and then reinstalling the drivers for the video card and other devices that need them. Such a procedure may help. But, since basically error code 43 means that the BIOS of the video card itself was found, but driver installation is not possible due to incorrect operation of the GPU chip (this occurs in the event of chip degradation or soldering on the chip), other measures may be necessary.
You can heat the chip with a special soldering iron. This will help resume contacts that might disconnect. An extreme option is to try baking the video card in the oven. Such an attempt, of course, is fraught with overheating of the board and its complete failure, but in case of luck, you can save on repairs. If you are not confident in your abilities and do not want to take risks, then you can always take the computer to a service center, where professionals will deal with it.
Those who risked exposing their video card to “culinary” processing should remember that the service life of a device after such a procedure rarely exceeds 2 months. After which it either goes out again or breaks completely. In addition, after “baking” the warranty service for this video card no longer applies.
But back to the problem itself. Most often, owners of cards of the series 8xxx or 9xxx from the manufacturer nVidia encounter it. An error (code 43) may also occur in the case of using video cards of any other brands and lines.
Note
In order to be 100% sure that the reason lies precisely in the card itself, it is better to rearrange it and test it on another computer. In rare cases, error code 43 may also occur if there are problems with the operating system, drivers of related equipment, and so on.
Alternative plot development
You bought a new video card, tested it at the place of purchase, it worked fine, but when you tried to install it on your computer, an error code 43 was displayed. The card itself is detected, but refuses to give any signs of life. What to do in this case? What is the problem?
First, check your BIOS settings. Very often, the "legs" of all problems grow precisely from its incorrect settings. To check for conflicts in the system, you need to turn off all unnecessary, and then the necessary components, one by one, so that you can identify the problem. If some equipment distrusts you, you can also test it on another machine.
Secondly, if another card was installed on your computer before, you should first remove all of its drivers, as they can also interfere with the proper functioning of the device.
Thirdly, it also happens that the Memory Hole Remapping option is actually to blame for the error with code 43. And when you turn it on, there is a conflict with the drivers, which disables the video card.
And it also happens that such a problem is not connected with the internal components of the computer. If you have a new and working video card, error code 43 may signal a USB problem.
Problems with external devices
In fact, error code 43 (Unknown Device) is one of the most common problems that Device Manager may issue . Such a failure often occurs when you connect a video card or printer, phone, camera, webcam , etc. via a USB interface. It happens on all operating systems of the Windows line. If you have such a problem, be aware that the “Device Manager” has stopped the operation of a component because it has detected an error in the execution of the prescribed functions. Such issues are always related to Windows hardware. In rare cases, this signals a different kind of error, for example, an incorrectly specified path to the driver.
How can I fix error 43 when connecting a USB
The simplest thing that can be done if a situation occurs is to disconnect the cable and restart the computer. There is a possibility that this was only a temporary hardware problem that would disappear by itself when the operating system was restarted. Sometimes additional measures may be necessary: completely disconnecting the computer's power or removing the laptop battery for several minutes. After which everything returns to its place.
A USB error (code 43) sometimes occurs when a user changes something in the registry. In this case, you must undo all recent changes and restart the computer. You can delete the entered data that affects the configuration of the connected device. You can also “roll back” to an earlier version of the driver or restore the system, which will automatically cancel all changes made, returning to the “default” parameters.
The problem can also be solved during the installation of the driver for the equipment itself. If the USB device reports an error, then you need to delete the following connections in the "Manager": storage device, USB Root Hub and USB Host Controller. It is important to remember that reinstalling the driver implies its complete removal and reinstallation of the full installation, although sometimes it is enough to simply update the outdated version. This will help if the driver was installed incorrectly or is damaged.
Other ways to fix error 43
In order to restore the USB device, you can reinstall the operating system itself. The Windows package may contain the necessary files that will ensure the normal functioning of the computer. You can also try updating the BIOS itself.
Errors of external devices (USB or FireWire) can occur due to problems with the cable or connector, to check the correct operation of which you must connect them to another computer or laptop. If the error appears on another machine, you should replace these elements with working ones.
There are situations when modern USB devices need more energy than a computer can provide. To solve this problem, you should buy a transition USB Hub and make connections through it.
The last two, but no less common reasons are the incompatibility between the device and the operating system and problems with the switch itself (marriage, breakdown). In both cases, only replacing the old USB equipment with new, but working and compatible OS will help.
Conclusion
Remember that sometimes the error may not be related to hardware devices. In this case, you must either restore or reinstall Windows itself. Some helpful hints for resolving error 43 can always be found by an inquisitive user in the Troubleshooting Help Guide.