i've tried to connect my laptop to a projector i inherited when i moved into my house, i bought a new VGA cable and set up a profile on my laptop for the projector. as far as i can tell everything on the laptop is working properly, it even detects the projector, but the projector says it is searching for signal. i bought a VGA/HDMI cable to try next but i dont understand why the projector won't read the signal.