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Hot take: I was wrong about using canned air on old power supplies
For years, I just blasted the dust out with canned air, you know, like everyone does. Then a repair in a 2008 Dell Optiplex last month showed me the static risk. I saw a tiny spark near a capacitor after I sprayed. Now I use a small brush and a low power vacuum first, then air from a distance. Has anyone else moved away from just blasting stuff close up?
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ryan_ellis5mo ago
Exactly. We learn the hard way too often.
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oliver_wilson495mo ago
Wait, are we sure this isn't just overthinking it? I've been blasting PSUs with canned air for like 15 years and never seen a spark, maybe that capacitor was already on its way out. Honestly, unless you're spraying it from like 2 inches away in a super dry room, I'm not convinced the static risk is as huge as people make it sound.
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