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Solution and ROOT CAUSE of BLACK SCREEN Issue

IMilo
Novice
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Hello everyone,

This weekend I dedicate only one hour to hardware solution I have found on internet. Why I say hardware, because after I don know how many updates of graphical driver, reinstalling windows, updating bios I had enough. I suspect on my monitor.

 

For all you people that have black screen issue, ROOT CAUSE: DVI connector on mainboard (pin 16 - HOTPLUG DETECT)

 

http://upload.wikimedia.org/wikipedia/commons/6/65/DVI_pinout.svg http://upload.wikimedia.org/wikipedia/commons/6/65/DVI_pinout.svg

 

is waiting from monitor signal If > +2.4V Monitor EDID data available, ≤ +0.4V no monitor available.

 

http://www.zytrax.com/tech/pc/monitors.htm Tech Stuff - Monitors/Displays

 

After applying correction to my DVI cable, monitor immediately enable DVI, and picture appears.

 

http://philtechnicalblog.blogspot.com/2013/03/fixed-dvi-pin-16-hotplug-dilema.html http://philtechnicalblog.blogspot.com/2013/03/fixed-dvi-pin-16-hotplug-dilema.html

http://philtechnicalblog.blogspot.co.uk/2013/01/edid-isnt-only-thing-that-graphics.html http://philtechnicalblog.blogspot.co.uk/2013/01/edid-isnt-only-thing-that-graphics.html:

 

Additional links

http://www.microprocessor.org/DVISpec.pdf http://www.microprocessor.org/DVISpec.pdf

http://blog.shewu.me/2010/11/hacking-apple-studio-display.html Doesn't Exist: Hacking the Apple Studio Display

http://thegreatmod.blogspot.com/2011_05_01_archive.html iMacMini: May 2011

http://www.alciro.org/alciro/conectores_26/conector-DVI-interfaz-visual-digital_269_en.htm The DVI (Digital Visual Interface), Conectores, alciro - Articles, alciro.org

 

Best regard to you all!

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Kevin_M_Intel
Employee
476 Views

Hi Gosa,

Thank you very much for sharing this information with the community. I am sure this will be very helpful for other customers with the same problem.

Kevin M

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