1st of all,forgive me if I started a thread on the wrong section,I'm new here but anyways so I recently bought an HDMI to VGA cable and as soon I tried it with my PS3,the monitor works for a while (1min to 5min) and then goes black.If I later try to use the cable again it takes much less time for the monitor to go black again.Can someone explain the problem please?This is the cable that is/might be causing problems