MY MONITOR HAD BEEN WORKING FINE FOR 6 MONTHS. bUT NOW WHEN I BOOT UP TURN THE MONITOR ON THE ON LIGHT KEEPS BLINKING AND I GET NOTHING. I SHUT DOWN THE COMPUTER TRY IT IN REVERSE SAME HING HAPPENS. TRY TURNING MONTOR OFF AND ON AND STILL GET NOTHING . sOMETINES After rebooting several ties in safe mode monitor will work. Most of the time I get nothing.