Hello,
I am also having a HDMI issue since I upgraded from FW 1.2.2a to 2.0.1. Occasionally the screen goes black and when it comes up again the colors are wrong. Sometimes after some seconds the screen goes black again and when it then comes up again everything is fine. When this issue is not automatically correct, I can fix it by unplugging the HDMI cable and putting it back again or going into the setup menu en selecting "HDMI auto" again in the "Video System" option ("HDMI auto" is already the selected entry).
I've never had this problem when I used FW 1.2.2a. It is occuring once in a while. Sometimes the time between this issue is several minutes. But yesterday I watched a 2,5 hour movie and it occured 3 times.
This is my first problem with the Mede8er. Till now I was very happy with it and it plays every movie. I'm sure this issue will be fixed soon in the next FW upgrade.
Greetz
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Mede8er MED500X FW V2.0.1
Audio: Optical output > Onkyo Receiver
Audio setting: SPDIF Passthrough
Video: HDMI output > Philips 37PFL9604H
Video setting: HDMI auto,24Hz ON,16:9
Media Source: internal HDD (WS Green 1,5 TB, formatted with the Mede8er