The short answer to this question is no, you do not necessarily need to replace your graphics card if it is not working properly. There are various solutions available to try to troubleshoot the issue with your graphics card and fix the problem without having to replace the card itself.
When it comes to repairing or replacing the graphics card there are a few things to consider. The first is the age of the card in question. If your graphics card is a few years old then it may be more cost effective to replace the card than to repair it, as older cards can become obsolete with newer technology.
The second thing to consider is the cost of replacing the card. Newer graphics cards can cost hundreds of dollars and may not be cost effective for many people. If the cost of replacing the card outweighs the cost of the repair, it might be better off to just repair the existing graphics card.
The third thing to consider is the issue at hand. Some issues can be easily resolved by updating drivers or reinstalling the graphics card, while other problems may require replacing components or even the entire card. If the issue is minor, such as driver updates, then a repair may be the best solution. However, if the issue is more serious such as hardware failure or incompatibility, then it may be necessary to replace the card.
The fourth thing to consider is the availability of parts and services. Depending on the graphics card model, certain components may be difficult to find or expensive to replace. In some cases, the card may need to be sent out for repairs to a specialist which may incur additional costs.
Finally, the fifth thing to consider is the time involved. Replacing a graphics card can take anywhere from a few hours to multiple days depending on the model and the repair process, while repairing the existing card may be a much faster process.
In conclusion, you do not necessarily need to replace your graphics card if it is not functioning properly. Factors such as the age of the card, the cost of replacement, the issue at hand, the availability of parts and services, and the time involved should all be taken into account when deciding whether or not to repair or replace the card.