How to stop the game from randomly shutting down your PC
Few things are more annoying (or alarming) than having your PC randomly shut down in the middle of a game. Excluding other solutions to the problem, such as upgrading his GPU’s drivers or his BIOS on the motherboard, or fixing improperly installed hardware, the most likely cause is his PC power supply unit (PSU). Either it’s too weak to power the hardware, or it’s not properly connected to a power-hungry component like a graphics card. Luckily, there are a few ways to prevent these sudden PSU-related crashes.
Upgrade your PSU
There are several potential reasons why your GPU might be overtaxing your PSU, but the most likely reason is that your PSU is simply not powerful enough.For example, if a 750 watt PSU Technically That’s enough for most GPUs, including high-end cards like the RTX 3080 and 3090, but some games can cause power spikes that exceed your PSU’s limits and crash your PC.
As evidenced by the answer of This Reddit thread, many users have confirmed that switching from a 750 Watt PSU to a 1000 Watt PSU (or higher) fixed their random shutdown issues. For some users, just swapping out for a higher quality 750 watt PSU was enough, but more wattage is more likely to fix the problem.
However, like any other PC part upgrade, replacing a PSU with a 1000-watt model comes at a cost. You also need to make sure your new PSU is compatible with your PC case and other components. Previous Purchase and install. In rare cases, if you buy an off-the-shelf gaming PC with a custom case that requires its own power supply, such as certain Alienware “console” PCs with external PSUs, you may not even be able to switch to a newer model.
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Either way, it might eliminate the need for a larger PSU. Granted, upgrading the PSU is almost guaranteed to fix the problem (unless another component causes unexpected problems), but the Reddit thread above mentions things to try before spending money on an upgrade. There are many other solutions.
Make sure the PC components are properly cabled to the PSU
Another possible cause is that the GPU’s power cord is not properly connected to the PSU. GPUs require a dedicated cord for each available plug that plugs into the slot. Turn off and unplug the PC, open the case and make sure everything is wired correctly.
What is Low Voltage?
You can also lower the GPU power limit, also known as “undervoltage”. This is only possible with his Nvidia and AMD’s latest graphics cards, but it’s a safe and relatively straightforward process that reduces the GPU’s power consumption and heat output with minimal impact on performance. You can (if at all). This is especially useful for pre-overclocked GPUs. Undervoltage is done through the GPU maker’s software, such as MSI’s Afterburner or AMD’s Adrenaline Radeon app. The exact process depends on your specific hardware, but This guide from PC World is a great overview.
Lower the in-game graphics settings
Finally, if the above solutions don’t work for you (and you can’t afford to buy a better CPU), try lowering the quality in every game you play. The easiest way is to choose a lower graphics preset, such as dropping from ‘high’ to ‘medium’ or ‘low’ and see if that solves the problem. Limit the frame rate or set the FPS cap lower than the current value. Do not play with “Uncapped” framerate enabled. You can also customize other individual settings in-game if you want to maintain as much graphical fidelity as possible, but this may require a lot of trial and error.
How to stop the game from randomly shutting down your PC
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