WHY IS MY PC NOT USING MY GPU FOR MY VIDEO GAMES?

From Clip games lớn professional 3 chiều work, a graphics thẻ is an essential piece of kit for those who want lớn push their computers to the next màn chơi of graphics rendering. Unfortunately, as is usually the case with adding extra hardware khổng lồ a computer, graphics cards come with their own sets of problems and issues. If your graphics card is not working, it can be frustrating, especially for those who aren’t experienced with graphics cards and don’t know how to diagnose errors.

Here are the symptoms of a faulty graphics card and how you can fix it when a graphics card is not working.

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The Symptoms

Games Underperforming

It’s a tale as old as time. You buy a new gaming laptop or GPU having heard that it will run at searingly fast framerates, but when it comes khổng lồ actually running the games, it’s performing 30% or worse below expectations.


It’s one thing for the framerate in a game to lớn be a little bit below (or above) what you expect – there are many variables to consider. But if your GPU is running way below expectations, then you should start looking inkhổng lồ solutions.

Computer Crashes


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The Fixes

While many of the above are symptoms of a dying graphics card, it doesn’t always mean it’s on its way out. There are a few things you can try lớn fix the graphics thẻ before you cast a final judgement on it & buy a new one.


Make Sure Your GPU Is Enabled

This one particularly applies khổng lồ laptops, but may also apply to lớn desktops if your CPU has an integrated GPU on it.

Many laptops have a built-in feature that when you unplug them from the power, they automatically disable the dedicated GPU lớn preserve sầu battery life. Sometimes this feature can remain enabled even if you’re plugged into lớn the power, or you may have set it khổng lồ “always on” at some point.

There are a few ways khổng lồ ensure your GPU is enabled:

If you have sầu an Nvidia GPU, go khổng lồ Nvidia Control Panel, then under “Manage 3D Settings,” cliông xã the Program Settings tab, navigate to the game you’re having trouble with, then in the “Select the preferred graphics processor” drop-down, select “High-performance NVIDIA processor.”


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Certain GPUs don’t play nice with certain settings. Both AMD and Nvidia GPUs quite often have sầu certain graphical features that are specifically designed for one thẻ or the other (such as DLSS và ray-tracing for Nvidia, & FidelityFX for AMD).


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Full Driver Removal

You might have sầu recently upgraded your GPU but also jumped ship between brands – for example, moving from an AMD GPU khổng lồ one made by Nvidia. In this case, it’s best to lớn fully uninstall the previous GPU drivers. Unfortunately, their official uninstallers tover to lớn leave traces behind. Thankfully, there is a third-party solution for that problem: Display Driver Uninstaller.

Download Display Driver Uninstaller (DDU for short) from its official page at Guru 3D & run it before swapping your GPU or installing your desired driver. Use it to lớn eliminate any traces of existing display drivers, and then either shut down your computer & replace your GPU with the new one or restart and install different display drivers. This is also useful while troubleshooting display problems since it allows you to ensure that their source isn’t a driver conflict.

Cool It Down

There’s a chance the graphics card is experiencing issues due khổng lồ overheating. This will be especially relevant if the errors only happen after rendering 3D graphics for a while or if you notice your graphics card’s tín đồ getting extremely loud during rendering. If this is the case, kiểm tra the temperature of your graphics card khổng lồ see how hot it gets.

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You can combat overheating by removing the graphics card và cleaning any dust using compressed air. You can even open the card itself và refresh the thermal paste within, although this shouldn’t be attempted by beginners. There are also tools to lớn regulate the graphics card’s tín đồ & graphical output, such as MSI Afterburner.

Make Sure It’s Properly Seated

Graphics cards need lớn be properly seated in their PCI slots in order to lớn work efficiently. If they require additional power plugs khổng lồ operate, these need to be firmly plugged in without wiggle room. Failure to lớn vày either (or both!) may cause errors related to lớn the graphics thẻ. Ensure the thẻ is properly slotted into the PCi và screwed in tight. Ensure any power connectors that are needed for operation are properly clipped inlớn the unit.

Check the Video Cable

If the cable from your PC khổng lồ your graphics card goes awry, it can create weird visual effects. If something visually strange happens, ensure the đoạn phim cable is properly plugged in on both sides or replace the cable.


Chechồng the Monitor

Visual glitches may not even be the graphics card at all but instead a sign that the monitor is on its way out. If none of the above sầu works, try replacing either the monitor or graphics thẻ. If the problem goes away, whatever you replaced was the culprit.

Replace the Card

Sometimes, however, the symptoms are simply a sign of a thẻ past its prime. If you truly suspect that nothing can bring the thẻ baông chồng from its current state, you can try purchasing a very cheap graphics thẻ to lớn see it if works on your PC. If the issues stop, consider buying a better new card!

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Graphics Fix

While excellent for rendering 3D space, graphics cards can come with their own woes và problems. Now that you know the main symptoms of a faulty card and how lớn fix it when a graphics card is not working, you can learn more about what v-sync is and whether to turn it on or off & see our guides on how to use AMD Radeon Settings & the Nvidia Control Panel.


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Robert Zak

Content Manager at Make Tech Easier. Enjoys Android, Windows, and tinkering with retro console emulation to breaking point.