Mac Pro Has Blank Screen - Any help?
-I press button to wake it up
-Tower turns on and fan starts running as normal
-The 23" Cinema Display screen remains blank, the little light is on, but no visual response
-I power down the computer, unplug everything (USB, Firewire, power) and leave for 5-10 min
-Power it back up with only monitor, mouse and keyboard plugged in
-The screen works as normal
-I plug in remaining devices and continue operating
-Later on, I wake up the computer from sleep mode and the screen is blank again - same problem as before - oftentimes it will just go blank while I'm working on something as well (cpu still running - just a blank screen)
-I go through the earlier steps of unplugging everything and powering down
-Sometimes the monitor works, sometimes it doesn't (this is with nothing plugged in but keyboard and mouse - so I know it's not one of my devices interfering with the computer)
-As time passes, this is happening more and more frequently
-I have the APP for my mac pro but live far away from an authorized repair center
-I'd like to see if I can resolve this problem at home before having to drive for 4 hours to get it fixed
Any suggestions?
Mac Pro, Mac OS X (10.5.7), 23" Cinema Display