No signal over HDMI when connected to TV


6 posts
by thejke » Wed Feb 13, 2013 1:57 am
I am running openelec on my raspberry pi. When I hook it into my pc monitor it works just fine. When I hook it into my hdtv and turn on the pi it sometimes will flash from a blue no signal screen to a blank black screen and back a couple times. Most of the time it will just stay at the blue no signal screen. If I use an rca cable it works. I also tried raspbmc and had the same problem.
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by albatros » Wed Feb 13, 2013 9:29 am
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Location: Germany
by thejke » Thu Feb 14, 2013 2:21 am
I put in hdmi_safe = 1 and now it is displaying on my tv. Thanks a bunch.
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by thejke » Thu Feb 14, 2013 3:30 am
I have been trying to get it to boot in a mode other than safe mode for an hour. I have just been cycling through all the HD resolutions in both CEA and DMT. The only one I have been able to get to work is hdmi_group=2 hdmi_mode=0x52 but instead of being in 1080p it starts in 480p without the ability to change the resolution in the settings. Any ideas?
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by thejke » Thu Feb 14, 2013 10:31 pm
Further testing has relieved that I have to have config_hdmi_boost=4 in my config file. With that in there it seem like any hdmi group 1 with any hdmi mode that is 24 25 or 30 fps will work(I tested all 1080p and 720p modes excluding ones with fps above 60). While it does produce and image it is always 480p no matter what mode it is in. Just a side not I have re-installed the OS multiple times to be sure that something wasn't just stuck making it always boot in 480p.
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by thejke » Sun Feb 17, 2013 5:46 pm
Does anybody have any ideas/solutions?
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