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I have an insignia tv #NS-39L240A13, that has a problem

Customer Question
I have an insignia...

I have an insignia tv #NS-39L240A13, that has a problem receiving signal from sat box. Until I switched the auto button, I could not change to HDMI. The screen is green and narrow most recently, what may be the problem?,

Technician's Assistant: Are there any HDMI cables or A/V jacks (red, yellow, and white cables) plugged into your #NS-39L240A13?

I am not home at this time, so I could not tell you at this time. It had worked fine until recently.

Technician's Assistant: Happy to help. Want a weekly JustAnswer email to help with other issues? If so, what's your email address? And if you'd still like to talk to the TV Expert, I'll connect you shortly.

Yes, I need ideas to look for in solving this mystery.

Technician's Assistant: Anything else you want the TV Expert to know before I connect you?

I recently had Hughes internet co put a jack in the back of the tv for movies, but other than that, no one has touched the back of the TV since I got it

Submitted: 6 months ago.Category: TV
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Answered in 3 minutes by:
12/28/2017
TV Technician: Aric, Technician replied 6 months ago
Aric
Aric, Technician
Category: TV
Satisfied Customers: 47,490
Experience: 15+ years in the field. Owner of AV Installation, OEM and Repair company
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I'm reviewing your details and will reply shortly.

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TV Technician: Aric, Technician replied 6 months ago

Please follow the steps below:
1) Shut the TV off, and then disconnect the cable/SAT box AND the TV from power (unplug their power cords).
2) If using an HDMI cable, disconnect and reconnect the HDMI cable on both ends when the cable box is unplugged from power (make sure it's secure on both ends).
3) Press and hold the power button on the TV itself (not the remote) for 10 full seconds while the set is unplugged, then release the power button.
4) Plug the cable box AND the TV back into power, then turn the TV on and attempt to watch a program.

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TV Technician: Aric, Technician replied 6 months ago

Let me know what happens once you try those steps.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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