I have a NEC MultiSync95 Monitor, it's about 4 yrs old. About a week ago, the screen went black on me. I thought maybe the inside of my tower might need cleaning, so I cleaned all the dust out-from the fans too. The monitor then worked fine until the next day. It went black again. This time I played with the wires and it worked. The next day, black again. I know my puter is working, all the usual sounds when starting up, but the monitor stays black. Sometimes, when I turn the monitor on, it makes a clicking sound, like tick-tick-tick. I have tried another monitor, and it works fine. To get the NEC monitor working now, I have to unplug it(i need the plugs for the other monitor) and after letting it sit for awhile, I will plug it back in, turn it on and then hit the screen with my hand. It will sometimes work after hitting it. But then eventually goes black again. I have changed the monitor settings so that it will not go into power-save mode, and yet it still goes black. Could someone please help me, and give me some suggestions as to why it is doing this?