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no, voltage is not the issue, what is the amperage you need. If you need more than you have, then you could have 2000 volts and it will not work. Also your taking AC to AC, or DC to DC. There's a big difference in what you need for each. look up Ohms law for for the calculations needed for voltage vs amperage using one socket. good luck
Hmmm I just got the same problem. They worked fine on my old Dell desktop but when I plugged them in to my son's old Dell PC (maybe 1 year newer than my old one) they all hum like crazy - as you say even if it's just the power plugged in and nothing else. Yes it does have the original power supply. I get no music (but still it hums) from digital out/in but when I switch to analog out/in I hear the music and it still hums, plus the sound is distorted. Wierd.
Hi, It sounds like your motor is failing.You went to turn it on and it hummed... The motor got hot and triggered the safety shut off. When it cools you may be able to get it to hum again. But you will need to replace the motor. Let me know if I can help you further.