How to get wireless display of my laptop to my tv?

My laptop is a Lenovo ThinkPad SL510 with windows 7 on it and my TV is a Sony Bravia something. I want to use the wireless display feature, but I have no idea how… By the way it worked with my phone

Customer Support Helpdesk@+1866^350^0239

Customer Support Helpdesk@+1866^350^0241
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If it isn't, you can always attach it directly to the tv, with either a vga cord to HD or a regular HD cable, if your laptop has a HD output. It will have one or the other.