LG RU-42PX10 42 in. HD-Ready Plasma Television "bluray wont power" Questions

...wont the tv pick up any HDMI input? The HDMI input says HDMI2-cec or HDM3-cec. What does that mean and what do I need to do? It was working fine till power went off and on. Have unplugged, replugged ...

...wont come back on, devo, bluray still work all on same power strip Please provide a brand and model number so I can attempt to help here---if set total dead with no power suspect fuse that power cord ...