I've got the problem about sharing the screen

Hi, i bought iMac 21.5 (Late 2013), i'v upgraded it to the Mavericks. I've got the problem about sharing the display, i have thunderbolt to hdmi adapter and while i plug it to my TV, it doesn't work, it has no signal on TV, can someone help me ?? Thank Yo

Hello Gukakila
Start your troubleshooting with the article below. Try out the cable on a different tv or monitor to see if it shows up there. You may also need to reset the SMC and Parameter Ram.
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
Regards,
-Norm G.

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