A power supply that is too weak for your GPU typically causes shutdowns under load, coil whine, or restart loops during demanding scenes. Evetech treats these symptoms as a wattage mismatch first, before assuming the GPU or motherboard is faulty.
A PSU that cannot support the GPU can make a PC shut down, restart or lose display when a game becomes demanding. Those symptoms justify checking power capacity and cabling early, but they do not prove the PSU is the cause. Driver faults, unstable memory, heat and a loose connector can look similar. Diagnose the event before replacing good parts.
Return CPU and GPU tuning to defaults, reseat the graphics power leads and compare the PSU model with the card maker's system requirement. Note whether the whole PC loses power or only the display driver recovers. Stop testing if you smell hot insulation, see a marked plug or hear arcing.
If replacement is needed, compare named Corsair PSU products with the wider PSU best-seller range. Choose capacity and connectors for the complete build.
A protection event can cause an instant blackout or restart during a heavy scene. A loop that appears only as both CPU and GPU load rises also puts the power path on the shortlist. Inspect the connector and check whether the supply has adequate 12V capacity.
Coil whine is different. It can come from a graphics card or PSU even in a stable machine, and its presence alone does not mean the supply is weak or failing. A change in noise alongside crashes deserves investigation, not a verdict from sound alone.
Record the workload, temperatures and what remained powered. Install the supported driver, test memory and remove overclocks. Use the original PSU cables and never swap modular leads between units.
A known-good correctly sized PSU can be a useful substitution test. Do not open either supply. Internal components can retain dangerous energy.
Check the wall connection and surge-protection equipment as separate parts of the chain. If other appliances or circuits show faults, use a qualified electrician. Do not keep stress-testing a PC through a damaged socket or loose mains plug.
Replace the PSU when it falls below the exact GPU guidance, lacks the supported connector, has poor model-level test evidence or shows fault symptoms. Extra wattage cannot rescue a weak design, so check voltage regulation, protection behaviour, warranty and cable support.
After replacement, test the PC at stock settings in the game that exposed the problem. If the symptom remains, continue diagnosis instead of increasing PSU size again.
Hard shutdowns or restarts under combined load are common clues. They can have other causes, so verify the power path and system stability.
No. Coil whine can occur in working hardware. Investigate when it arrives with instability, heat, smell or other electrical symptoms.
A poor-quality or faulty supply can create risk. Stop using hardware that shows heat damage, arcing, burning smell or repeated protection events.
Treat load-related shutdowns as a reason to check PSU capacity and cabling first, then confirm the fault with controlled stock testing before replacing components.
Hard shutdowns or restarts under combined load are common clues. They can have other causes, so verify the power path and system stability.
No. Coil whine can occur in working hardware. Investigate when it arrives with instability, heat, smell or other electrical symptoms.
A poor-quality or faulty supply can create risk. Stop using hardware that shows heat damage, arcing, burning smell or repeated protection events.
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