There is about a 5" x16" strip at the bottom left corner edge and a smaller area in the opposite upper corner of the screen, that its color is always out of tone with the rest off the picture. So the area in the bottom left is always green and the upper right is always red..
Someone told me that the tv has tubes that need to be converged and you can do this in this the menu somewhere..
I do do have the service manual or any paperwork....
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Use System Preferences which is available from the Apple menu at the upper-left corner of the screen. O[pen that then click on Displays and you can change the settings, alothough I can't see why your settings should be wrong unless you have changed them previously or you are using the imac as an external monitor...
front of remote: slide down the bottom cover (where rec, pause, etc option is)
push both egdes of the slide area outwards, to totally remove this slide cover
further more, now push both the above slide edges even more .. till bottom of (front face) cover loosens up. Whilst lifting this only a little at a time ...
Gently remove /loosens only lower ends (only at this stage) of the 2 silver edge stripes... by .. lifting up (away from face of remote) ..whilst .. moving them outwards. ** i.e up, then outwards) Do not remove top edge of silver tip yet
start separating left n right egdes with sharp flat point from under silver side strip, " digging" downwards towards bottom of remote
At this point, the top edge of remote may be separated, but not necessary.. if you can pull insides out from bottom, PREFFERED OR .. can be done by:
using flat edge - loosen/pry 1cm from corner on top tip of edge left n right digging downwards n outwards towards bottom of remote .. enough gap to use a little pressure if you must
then if feasible, separate remote face .. also 1cm from right n left corner alongst each side from top corner
Downloading programs would not cause the type of problem you're having. It should be a hardware issue only.
1.The bottom area of your screen is close to a small curcuit panel behind the bottom plastic border of the screen frame. This little panel/bar is called the Screen Inverter. If its connection plug has loosened it could be the culprit.
2. The Display Cable behind the screen panel has become partially unplugged or damaged in some way at the top of the screen, or, it has looseened at its plug connector just underneath the back edge of the power strip panel/keybaord area so that pressure applied to the bottom of the screen frame makes it connect correctly.
3. The Screen Panel itself is failing.
These are the 3 areas I'd say you should have a laptop repair tech look at locally in your area.
Maybe you have some dried ink on the cartridge. You see the silver-ish strip on it? try whipping it down with a rag because I dont think you want that ink on your shirt. Try that and if not let me know.
either burn in or magnetic field interference. I suggest moving any speakers away from the tv. if thats not the case, then find a strong magnet, make sweeping motions across the screen with it but dont touch the screen! Keep doing this until the colors change, then "sweep" them with the magnet into a corner and they will mostly dissapea.......r, sounds complicated but worked for me. can be scary so dont try unless sickly despearate or confident. Hope This helps!
Convergence amp ic bad http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html http://www.hdtvoice.com/voice/showthread.php?t=28929 Or send to ptscorp.com http://www.hdtvoice.com/voice/index.php?s= good luck
please mark the post with a fixya