I know it's about a year later and I am having a similar issue. It's possible one of the voltage regulators on your power supply board has failed. I know some of these Vizios have crappy capacitors but they also have crappy power regulator chips. If the voltage on one of those fails, or dips too low, you can get problems like you experience. It's also possible one or more of the EPROMs have failed, too. If you are getting power, it's quite possible the problem lies with the Main board. Good luck finding a replacement one of those. I've been searching on-and-off for a year. YouTube has a decent video of a guy checking the power regulators on his power board, though, and he makes the replacement look easy if you are comfortable soldering.
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If your television is not turning on or showing any signs of life, see the [https://www.ifixit.com/Wiki/Insignia_NS-24ER310NA17_Will_Not_Turn_On|Insignia NS-24ER310NA17 Will Not Turn On problem page] for possible causes and solutions.
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I know it's about a year later and I am having a similar issue. It's possible one of the voltage regulators on your power supply board has failed. I know some of these Vizios have crappy capacitors but they also have crappy power regulator chips. If the voltage on one of those fails or dips too low, you can get problems as you experience. It's also possible one or more of the EPROMs have failed, too. If you are getting power, it's quite possible the problem lies with the Mainboard. Good luck finding a replacement one of those. I've been searching on-and-off for a year. YouTube has a decent video of a guy checking the power regulators on his power board, though, and he makes the replacement look easy if you are comfortable soldering.
=== Update (01/03/2016) ===
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**Update**
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**Update**
I recently found a Vizio E371VL mainboard on eBay. I decided to jump and purchase. The board arrived Saturday. I replaced old with new, and now have a fully functioning Vizio again.
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The cables required some attention. The mainboard connectors have tiny little clips that escaped my initial inspection. I discovered using a very small flathead screwdriver and fingernail this clips pop back (like a car trunk) and allow these ribbon cables to slip out.
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The cables required some attention. The mainboard connectors have tiny little clips that escaped my initial inspection. I discovered using a very small flathead screwdriver and fingernail these clips pop back (like a car trunk) and allow these ribbon cables to slip out.
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A $60 dollar board and 30 minutes of time and I have a 37" HDTV to connect an old XBox 360 to.
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A $60 dollar board and 30 minutes of time and I have a 37" HDTV to connect an old Xbox 360 to.
I know it's about a year later and I am having a similar issue. It's possible one of the voltage regulators on your power supply board has failed. I know some of these Vizios have crappy capacitors but they also have crappy power regulator chips. If the voltage on one of those fails, or dips too low, you can get problems like you experience. It's also possible one or more of the EPROMs have failed, too. If you are getting power, it's quite possible the problem lies with the Main board. Good luck finding a replacement one of those. I've been searching on-and-off for a year. YouTube has a decent video of a guy checking the power regulators on his power board, though, and he makes the replacement look easy if you are comfortable soldering.
+
I know it's about a year later and I am having a similar issue. It's possible one of the voltage regulators on your power supply board has failed. I know some of these Vizios have crappy capacitors but they also have crappy power regulator chips. If the voltage on one of those fails, or dips too low, you can get problems like you experience. It's also possible one or more of the EPROMs have failed, too. If you are getting power, it's quite possible the problem lies with the Main board. Good luck finding a replacement one of those. I've been searching on-and-off for a year. YouTube has a decent video of a guy checking the power regulators on his power board, though, and he makes the replacement look easy if you are comfortable soldering.
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+
=== Update (01/03/2016) ===
+
+
**Update**
+
+
I recently found a Vizio E371VL mainboard on eBay. I decided to jump and purchase. The board arrived Saturday. I replaced old with new, and now have a fully functioning Vizio again.
+
+
The cables required some attention. The mainboard connectors have tiny little clips that escaped my initial inspection. I discovered using a very small flathead screwdriver and fingernail this clips pop back (like a car trunk) and allow these ribbon cables to slip out.
+
+
A $60 dollar board and 30 minutes of time and I have a 37" HDTV to connect an old XBox 360 to.
I know it's about a year later and I am having a similar issue. It's possible one of the voltage regulators on your power supply board has failed. I know some of these Vizios have crappy capacitors but they also have crappy power regulator chips. If the voltage on one of those fails, or dips too low, you can get problems like you experience. It's also possible one or more of the EPROMs have failed, too. If you are getting power, it's quite possible the problem lies with the Main board. Good luck finding a replacement one of those. I've been searching on-and-off for a year. YouTube has a decent video of a guy checking the power regulators on his power board, though, and he makes the replacement look easy if you are comfortable soldering.