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<blockquote data-quote="Duff" data-source="post: 1176711" data-attributes="member: 189790">This is a great thread and given me a lot of info but i seem to have run into a problem i can seem to fix.I have a August 2010 imac I5 connected to a LG60PK550 plasma via mini display to HDMI adapter and HDMI cable up to the tv.Using HDMI 1 input on the TV.Here's the problem, i set it up for the first time no problem and everything worked fine, sound, picture, mirroring etc. I then disconnected the cable and tried again a couple of hours later but nothing at all will happen. When i enter the display set up on the mac and click detect displays nothing comes up so the mac doesnt seem to see anything connected. I tried rebooting, turning the tv on and off, turning TV on first then mac etc.The thing i cant work out is that one minute all is fine and the next nothing??Any ideas?(also the cable and adapter are brand new)Thanks!!!</blockquote>

[QUOTE="Duff, post: 1176711, member: 189790"] This is a great thread and given me a lot of info but i seem to have run into a problem i can seem to fix. I have a August 2010 imac I5 connected to a LG60PK550 plasma via mini display to HDMI adapter and HDMI cable up to the tv. Using HDMI 1 input on the TV. Here's the problem, i set it up for the first time no problem and everything worked fine, sound, picture, mirroring etc. I then disconnected the cable and tried again a couple of hours later but nothing at all will happen. When i enter the display set up on the mac and click detect displays nothing comes up so the mac doesnt seem to see anything connected. I tried rebooting, turning the tv on and off, turning TV on first then mac etc. The thing i cant work out is that one minute all is fine and the next nothing?? Any ideas? (also the cable and adapter are brand new) Thanks!!! [/QUOTE]

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