HELP need insignia plasma code

See troubleshooting section of manual on page 20

Setting Up Your Tv; Maintenance; Troubleshooting - Insignia NS-50DF710NA21 User Manual [Page 20] ' ManualsLib

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The cord is called a DVI which actually is the same on the monitor on your computer has if you have a lcd/monitor on your computer.

if you check with multimeter, you know all worked fine, you need code programing of the tv, this code is for reconfiguring your tv, search by model, by device and brand, oh you need the remote control original, for solve this problem...

because the problem is programing electronic, the tv have a cpu and have a program, who can solve is expert electronic....

Unfortunately, you will need to schedule service for your TV. Repairs can be arranged by calling 1-888-237-8289 in the U.S. or 1-866-237-8289 in Canada.

Try the T.V. manufactures website, E-Bay or the store where you got the T.V. from.

Remote control codes for your TV can be found here. Search for your TV model number, then click the Support tab. If your remote isn't listed, try codes for the brands listed in the note at the bottom of the page.

Many remote control codes can be found at InsigniaProducts.com. Just search for your TV model number and click support!

Try This link it worked for me.
www.insignia-products.com/universalcontrolcodes.aspx

no sound on my ns-20lcd