Dell 580 pc wont recognize lg tv

I'm running a Dell inspiron 580, and a Dell ST 2310 analog monitor with 1920 x1080 resolution (recommended). The TV is a LG 37LD450. I had no trouble with it as I watched movies from the PC to TV for over 2 months. When connecting to an external display both the PC and TV would prompt me to choose either one. But now all that it shows is the PC monitor and no TV. Any Clues. Charles
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  1. charles_10 said:
    I'm running a Dell inspiron 580, and a Dell ST 2310 analog monitor with 1920 x1080 resolution (recommended). The TV is a LG 37LD450. I had no trouble with it as I watched movies from the PC to TV for over 2 months. When connecting to an external display both the PC and TV would prompt me to choose either one. But now all that it shows is the PC monitor and no TV. Any Clues. Charles

    Problem Solved Charles
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