Mac Charger Making Buzzing Noise

Don t really think its designed to do that.

Mac charger making buzzing noise. Iphone charger makes noise. The last source of noise in computer systems is buzzing or chirping sounds that seem to be coming from an area of the circuit board and not directly from a device such as a hard drive or fan. Macbook pro making squeaky noise not charging duration. Definitely don t want to leave this thing alone while it charges.

I used istat and found that during the buzzing sound the fan rpm s were much higher than without the buzzing sound. Ipad and mac platforms. I have many different ac adapters and power supplies for a variety of devices ranging from small 5v 1a usb chargers to laptop power adapters and desktop psus. About a year ago it started making a rattling buzzing noise when i started it up and the noise would vary in strength or stop completely if i tilted the screen back and forth for a while and stopped it in just the right place.

When i plug in my macbook to charge i hear from the power brick a small buzzing noise is that normal i only hear the sound when i put power brick close to my ear and my macbook is 6 months old only. Mark russell 4 929 views. Cpu fan was 1071 and hard drive was 1361 this is the one that seems noticeably higher than without the buzzing vs under 1000 rpm for cpu without buzzing and under 1200 hard drive fan without buzzing. Mostly it is because of electricity running through it and it s wire coils in it s step down transformers and rectifiers.

I have multiple types of cell phone chargers the ones were you plug into the wall and the plug the usb into the charger i have noticed that when plugged in all the chargers make a slight buzzing noise. Superuser reader rishat muhametshin wants to know why some of his ac adapters and power supplies make a whining noise. Aukey 30w 2 port usb wall charger. All electronics make noise just most don t make them loud enough to hear with an unaided ear.

I know this thread is really old but i have been using a 2011 macbook air charger for a while and whenever it s charging it s making a buzzing sound as well. I have 2 ipod touchs and when i plug them into the wall charger the charger makes this high piched buzzing and whirring sound like its going to fry any minute i ve also tried using a blackberry usb adapter which when charging the blackberry makes no sound but when i attach my ipod the charger starts making a. Sometimes it is because of th.