This guy on YouTube shows the exact problem I am having. No fix posted. He got no help from Dell and ended up dumping the monitor. Not looking good... http://m.youtube.com/watch?v=JyxAb70X6Mg
Strange coincidence that you posted this today. I am having the exact same issue and appear to be in the same boat re: warranty.
One thing to note is there is a strange buzzing noise after I power down the monitor but before I unplug it coming from the back. After unplugging it slowly...
I'm in the same boat. Got a Rev. A02 with only 4 months used of the 3 year warranty. Panel seems flawless except for a single dead pixel (black). Should I try for a replacement or live with it? Paid $809 +tax at Dell outlet.
On another note, any suggestions for tweaking the settings? I...