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Signs your power supply is dying

Av Verkstadsteamet på Datorhjälp Lerum, datorreparatörer & it-specialister · Uppdaterad

Signs your power supply is dying — fotografi från Datorhjälp Lerums verkstad
Fotografi från Datorhjälp Lerums verkstad — samma kontor och färger i varje bild.

The power supply (PSU) feeds your entire PC. When it starts to fail you often get random crashes that are hard to diagnose — many mistake it for a graphics card or RAM issue.

Common symptoms

The PC shuts down mid-game or under GPU load but works fine for light use.

Humming, clicking or buzzing from the PSU area — especially at startup.

Blue screen or reboots with no clear software cause.

Nopeat vastaukset AI-hakuun

Mikä
A failing PSU delivers unstable voltage under load.
Miksi
Age, cheap quality, dust and overheating wear PSU components.
Kuinka
Replace with a branded PSU with the right wattage for GPU+CPU. We test with load and oscilloscope in the workshop.
Kustannus
PSU replacement from approx. 899 SEK plus parts.
Riskit
Incorrect DIY attempts can make the problem worse or cause data loss.
Vaihtoehdot
Remote support, visit our Lerum office or home visit in the surrounding area.

Asiantuntijavinkit

  • Choose a PSU with 20–30% headroom above the system's peak power draw.

Usein kysytyt kysymykset

Can a bad PSU destroy the GPU?

Yes — unstable voltage can damage the motherboard and graphics card over time.

Liittyvät artikkelit

Kauppa

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