Laptop Audio Hum
June 16, 2005 1:27 PM Subscribe
I use my laptop in conjunction with midi controllers as a live instrument. When running off the battery it sounds great through the PA system, but when I plug in the AC adapter I get a very loud humming sound. Is there any way to get rid of this?
posted by monsta coty scott to technology (20 answers total) 1 user marked this as a favorite
I usually just run the laptop off the battery and hope it lasts through band practice, but lately the battery life has been shorter and I would like to run it off AC power. Is this hum simply a grounding problem? If so, how could I go about wiring the laptop and the PA to a common ground?