Why is my second screen does not work - it starts with my main screen, but then turns off.

My HP Pavilion P7-1120 Desktop PC does not work with two screens - there 8gig of ram...  1.5 terabyt hard drive, Windows 7 64-bit primary system works via the VGA port, but the second screen does not rest via the DVI port.  The two normal startup with the start-up of information on both screens, then the secondary display stops and I get a message "no signal".  Both monitors worked with my laptop PC and older myDell...

When I go into the control panel and the view tab - the PC does not recognize the second monitor.

GEO...

It's not a problem with my PC or whatever it is in the box.  Cables work on other screens of the RGA and DVI.  There is a problem with my screen - the works of port RGA, is not the DVI port.  Another monitor works properly by the DVI.

Now fixed.

TKS for the entry.

GEO...

Tags: HP Desktops

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