Hello, I have successfully hooked up my Gateway laptop to an RCA HD TV & an Insignia HD TV, but I can not get my 42" Westinghouse 1080p HD TV to work w/ laptop. I am using HDMI connection. I did get it to work for a few seconds, but never again. When I plug HDMI cord into other tvs I get a sound on the computer. No sound w/ Westinghouse TV. Any ideas?
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Maybe the laptop doesn't recognize the TV. Try the FN and F5 key or whatever key your laptop has for switching to the TV as the primary display.