I've had an APC Back-UPS CS for a few years now and have often experienced the clicking mentioned, even back when it was new. The power here is not the best, outages are common. <BR><BR>I noticed the ...
I just got a new UPS from APC (Back-UPS RS 800VA). <BR><BR>When my dual 2.5 G5 is running on UPS battery power, both the UPS and the G5's power supply emit a buzzing noise. The one from the G5 is ...
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