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electrical

  1. greentint

    Macbook Air M1 electric vibration on the back when charging and plugged in to external monitor

    Hey everyone. Recently got a MBA M1 and noticed something weird. When the laptop is charging and when I plug in my external monitor to my Mac (using a Display Port to USB-C adapter) , if i run a finger on the back of the laptop lid, I feel a slight electric vibration. The charger is the...
  2. I

    Electrical Shocks When Mac is Plugged In

    I have a MacBook Pro Retina (Mid-2012) and I'm currently on holiday in the Dominican Republic. Today, I was doing work on my computer while it was plugged in, and I reached over to unplug it and touched the metal bit on the charger. I wasn't shocked, but I felt a "fizzing" sensation that...
  3. MacinMan

    Late 2015 27" iMac and APC UPS conflict

    Hey all, the topic of Macs and UPS systems have been discussed many times in different threads here. However, I haven't been able to find a current thread containing my exact issues and concerns so thought I would start a new thread. I have been having very frustrating issues over the last...