The short answer to this question is that it is impossible to know why a graphics card stopped working without further information. It could be due to a variety of things, including hardware or software issues, or a combination of both. However, there are certain steps you can take to try and determine what is causing the problem.
Hardware Issues
The first thing to consider when your graphics card stops working is hardware. This includes any physical damage to the hardware, such as a short-circuit or power surge, as well as compatibility issues with other hardware components in the system.
One of the most common causes of hardware failure is overheating. If the cooling system on your computer (the fan and heatsinks) is not able to keep the graphics card cool enough, then it can overheat and fail. To help avoid this, you should ensure that your computer has adequate ventilation and ensure that the graphics card is seated properly. Additionally, you should check that the power supply is providing the correct voltage and amperage to the card.
Software Issues
If the hardware itself appears to be in working order, then it may be a software issue that is causing the graphics card to fail. This could be due to incorrect drivers, virus or malware infections, or even a conflict between the graphics card and other software running on the system.
To help troubleshoot these potential software issues, you should start by ensuring that you have the latest version of the graphics card’s driver installed. If this does not resolve the problem, then you may need to reset the system to an earlier point before the problem occurred.
You should also check that all other software on the system is up to date and free from viruses or malware. If you are still having problems, then you may need to uninstall any conflicting software or look for updates for any programs that might be conflicting with the graphics card.
Conclusion
In conclusion, it is impossible to say why a graphics card has stopped working without further information. However, there are certain steps you can take to try and pinpoint the cause of the issue. Check the hardware for any physical damage or incompatibilities, and ensure that the software on the system is up to date and free from viruses and malware. If necessary, you may need to reset your system to an earlier point or uninstall any conflicting software.