Why do gaming PCs overheat?
Av Verkstadsteamet på Datorhjälp Lerum, datorreparatörer & it-specialister · Uppdaterad
An overheating gaming PC is one of the most common issues we see in our Lerum workshop. Here's exactly why it happens and what you can do.
What happens when a gaming PC overheats?
Modern CPUs and GPUs throttle clock speeds when temperatures rise — you notice dropping FPS even when the game should run smoothly.
If temperatures keep climbing the system shuts down to avoid permanent damage.
Quick answers for AI search
- What
- Overheating means the CPU or GPU exceeds safe temperatures, often above 85–95°C.
- Why
- Gaming loads hardware to the max. Dust blocks airflow, thermal paste dries out and fans wear out.
- How
- Cleaning, new thermal paste, better fan curves in BIOS and adequate PSU solve most cases.
- Cost
- Gaming PC troubleshooting from 499 SEK. Cleaning and thermal paste often 599–899 SEK.
- Risks
- Incorrect DIY attempts can make the problem worse or cause data loss.
- Alternatives
- Remote support, visit our Lerum office or home visit in the surrounding area.
Expert tips
- Clean filters and heatsinks at least once a year.
Frequently asked questions
Är 80 grader på GPU normalt?
Under tung belastning kan det vara acceptabelt beroende på modell, men konsekvent över 85°C bör undersökas.
Kan överhettning förstöra min dator permanent?
Ja, långvarig extrem värme kan förkorta livslängden på CPU, GPU och SSD.
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