Questions & Answers for: power supply buzz

...power supply I have a power supply (550w max output) that started humming/buzzing this week. It is not very old, I only bought it a few months ago when the first one went out. I leave my computer on ...

capacitor in the power supply has gone bad and the humming is a 60 Hz from the rectification of AC to 18 vDC.  Either get a new power supply or take apart the power supply and replace the bad cap

...Ac power supply like a bad input filter can cause a buzz. If it changes when you turn the volume up and down it is not power supply. Hope some of this helps.. It is hard to be sure without hearing ...

power supply buzzes when power turned on reinstalling into a new case with a new power supply. and when I configure the connection as shown on page 39 the power creates a high pitch buzz? what am I ...

There is a buzzing sound from my new Lenovo power cord for the T400. It is 65 watt I believe. Basically you can hear the electricity just buzzing through the cord. Sounds odd. It is as if it is going ...

...power supply have problem with some transformers in it.After replaced the lamp pic should come back.Power supply reqiure replacing don't know yet. Power supply is defective and maybe mainboard, must ...

...on. has a buzzing soune buzzing sound, no picture Power supply board is dead.Replaced the power supply board will solved this problems.Tries Shopjimmy.com,Ebay.com for a refurbish power supply

...power supply. You probably have a bad capacitor somewhere on the power supply. You can find and replace the cap or change out the power supply. Herre is a link to one at TvPartsGuy.com ...

...the SuperSign Elite-w buzzes. Except for headphones. USB speakers, powered speakers. It's very loud and annoying. Cables aren't crossed. your power supply 5volt is under powered with filtering

...it is off. You need a small amount of power for the remote to work. The power supply is on even when the TV is off. The buzzing is not normal and could indicate a future failure in the power