multiple screens

I'm currently having problems connecting two monitors to my mac. What normally occurs is one monitor just mirros the other leaving me with my laptops screen a monitor and a monitor mirroring the 1st monitor. I'm using a mini display port to dual hdmi and at the time it seemed like the perfect...

My main pc screen is the 27" displayport monitor and whenever i launch my pc, the HDMI monitor is getting the bios startup menu. However, i have configured the pc to not project to the 22" when not in use to save power (win key + p). So whenever i turn the pc on, my 27" will take a while to load...

Hey everyone, Who can explain me how the refresh rate works with different monitors? Lets say the main monitor is a 144hz, seconday 100hz and a third one 60hz. What will the refresh rate be while browsing and what while gaming? Thank you!

I have Nvidia GT710 card with 3 outputs, I had all 3 outputs working and could run 3 screens at the same time. However now only once screen works and the PC is not even picking up the other monitors. I have tried switching cables and the display switched to the other monitor. I have checked...

I have a gateway ms2273 with an Intel Pentium processor (came stock with it) but I was wondering if I could replace it with a 2nd generation i5 processor from a broken laptop laying around without changing the motherboard. Is it compatible or should I just give up on it?