capacitor

Is turning on electronic devices that use SMD electrolytic capacitors (those with a silver casing) for 20 to 30 minutes enough or not enough to renovate them so as not to have failures due to disuse and store these devices for another 12 months?

New ASRock B450 board I had ordered from Amazon. Came with an open seal, which didn't worry me too much since it's probably for BIOS update purposes. Box had a "Ryzen 3000 ready" sticker applied too which supports the conclusion. But when I took it out, I noticed a small but noticeable brown...

Hi I have a 8 Yr old Carrier 2T Split AC with Hermitically Sealed compressor. Below are the issues I am facing :- 1. Indoor Unit Fan Capacitor 2.5mfd (Just like ceiling fan's) goes bad within a few days. It had been changed by local AC mechanic. Now I don;t know what was rating of original...