I have a Samsung 712n computer monitor that passes a self test but shows no display otherwise. The menu button does not display the menu. It does this on any computer. I have another monitor just like this one that works fine on any computer. I have swapped cables but the results are the same. I have updated drivers but the resulta are the same. I'm wondering if there is some type of default resetting method available in some button sequence. In case you missed it before, the menu button does not display the menu.
Jcriley, If your SAMSUNG is not to old, try to get them to replace it or do a cash+old unit for a same model refurbished unit! You may have a monitor that has a "switch-mode-power-supply" that is in partial or full shutdown mode. When very strange and weird things start to occur with a LCD fluorescent lamp backlit monitor or for that matter LCD tv/monitor I would always suspect the culprit to be the SMPS!!! Get back to me lmistyrel@ aim or 12fixlouie on fixya after you perform SMPS evaluation test using the flashlight trick to see if the screen data is still being displayed even though the screen appears to be blank. It may only be BLACK, but not blank!! Read some of my other posts here on fixya and also visit a website www.ccl-la.com/badcaps.htm FYI !! It is run by another tech on fixya nickname "buddymc". If you do a second post, give us a little history of unit in question such as age and screen appearance just prior to BLACK SCREENof DEATH setting in! 12fixlouie
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