Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Display Problems!!!

I too had major display problems (as with every single one I've seen). In higher resolutions, the screen jiggles/dances/shakes - look in the corners...not to mention after only 5 days it wouldn't work at all. I sent it in to an apple store for repairs (entire crt replaced), got it back one week later and the screen still shakes. In fact, I checked EVERY in-store emac I've seen and they all do it- even in the apple store. My guess is that they aren't properly magnectically sheilded and over sensitive to electrical wiring. Apple said for me to get it fixed again and told me this was an isolated incident!!!. Plus, where is the mic jack?