Problems connecting to a projector. Laptop recognizes the new monitor but projector does not display anything.

I have a Macbook Pro (non-retina display) mid-2012. I have a mini VGA screen that worked throughout the year and all of a sudden, it doesn't seem to work. My computer recognizes the new monitor (screen flickers and flies all content secondary screen) but the projector does not display anything. I tried to reconnect the cable, the cable VGA switch to turn on the projector and turn off, restart my computer and clouds of dust on the connections. Sometimes if I move the connection just that will work, but if I so much as breathe on it or watch funny it stops and I can't get it back.

Jiggle the cable or adapter is something different, you have a physical adapter or cable problem. Any bit-reversal can help that.

Tags: Notebooks

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