iMac (Retina 5K, 27-inch, end 2014) annoying noise
Hi,
I've bought my imac 3 months ago online at the apple store.
i hear annoying zoom(hummmmm,zzzzzzzzzzzz) sound. sounds comes from the the underside of the screen. i hear this noise when its silent
i really don't know if this is normal.
i thought the new iMac is noiseless
what can i do?
can somebody please advise me?...
Thanks a lot
Specifications
4 GHz Intel Core i7
8 GB 1600 MHz DDR3
AMD Radeon R9 M290X 2048 MB
OSX Yosemite 10.10.1
iMac with Retina 5K display, OS X Yosemite (10.10.1)