I had my PS3 and 360 hooked up to my Acer P235H monitor through HDMI and everything worked beautifully for almost a year. Now I get no picture from PS3. The 360 does work with games but when I try playing a DVD or Netflix it says "HDCP handshake not found". I've tried 3 different cables between the monitor and the consoles and it's the same with all three cables. I then hooked up the monitor to my PC through HDMI and it works fine. I played a 1080p youtube video and a DVD movie with no problem. What do you think I can do? I don't have any other HDMI electronics to try out on the monitor other than ones I mentioned.