Dell 2200 Inspiron to LG Plasma

Hi,This laptop can't recognize my tv as monitor. I've done, downloaded the latest video software, adjusted the resolution, connected the cable (rbg-pc), proper tv input. But still of no avail. Please help.
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More about dell 2200 inspiron plasma
  1. Have you tried fx+f5? That usually kicks the laptop screen off and the external monitor on. Have you also switched modes on the TV?
  2. I tried it but it didn't work. Thanks anyways. :)
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