Abbott Schindler wrote:
I've had an hp lp2475 for two years and love it. Never heard any humming, and it's in a quiet room.
My monitor definitely has a humming sound and I have read about similar experiences on other forums. I even tried an adjustment that was recommended to eliminate the hum but no dice.
As I believe you mentioned in another part of your post, the monitor does take a few minutes to warm up during which, at least in my case, it has a magenta cast. Glad your monitor is working okay!