Laptop / Video Card Won't Recognize Second Monitor

Aug 12, 2011

I have had a dual monitor setup with my laptop(Inspiron 1545 with GM45 Intel Card) extending to a regular LCD screen. It worked for two months and until recently has stopped working.I have uninstalled, reinstalled, uninstalled, reinstalled the newest drivers, changed the cables(power supply and VGA), system restored back a month to when it was working, and changed the power outlet.This originally worked flawlessly and now the laptop is not recognizing any device I attach via the VGA output. I have plugged the laptop into another monitor with no avail as well. I find it hard to believe that this would stop working one day with no notice or any problems. I have also tried attaching a projector that had worked for over a year with the laptop and have gotten nothing.

I receive a black screen as if to say this something being outputted, but nothing is displayed. Both windows screen resolution and the intel GUI both do not recognize another device. [code]

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