Question about HP PL4260N 42 in. Plasma HDTV

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Hp TV wont stay on cable setting

Our HP Plasma TV keeps switching from calbe to other settings. Then goes to a blueish green screen then switches again to channel 02.

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  • 73 Answers

Contact us for legal action agaist HP for this model HP tv. They sold this TV with known defects. dorje@forexcafe.org

Posted on Jul 11, 2009

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Posted on Jan 02, 2017

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Green light stays on when trying to turn off tv. picture go's off when cable remote is used but green light stays onand you can see that screen is still on?


You need to set up the cable box remote for your TV , now you are just turning off the cable box. Some cable boxes have a switched plug on the back that will turn on and off with the box. If yours has the switched receptacle you can use that to turn the TV on and off by plugging your TV into the switched receptacle. Make sure the TV power is on, the receptacle will kill the power so the clock on the TV wont work. Otherwise you need to set the code for your TVs remote and use the system power button.

Apr 23, 2014 | Mitsubishi LT-46153 LCD TV

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Can't get my samsung hp-t4254 42" plasma tv to


make shure that the computer is set up to display on the screen. To check and see right click on your desktop, click on the option that says screen resolution, and then change your settings from their. The tv will not register that you have a computer plugged into it if the computer is not sending the tv a signal.

Mar 05, 2011 | Samsung HP-T4254 42 in. Plasma Television

1 Answer

Samsung HP-R4272 42" plasma. 3" blue/ green ribbon


This is caused by the LCD panel shifting in it's mounts. You will need to disassemble the frame holding the LCD screen in place and re-center it.
The lines will take some time to go away as the set warms up, but be patient, they usually disappear over time.

Oct 26, 2010 | Samsung HP-R4272 42 in. Plasma HDTV

1 Answer

I have a 50inch DLP Hitachi that is 3 and a half years old. I replaced the bulb about 5 months ago now the blacks are blueish and it has a greenish blotch on the screen. It also leaves an image on the...


Contrary to popular belief, any display product can have "Image Retention" and even "Burn-In". This is true for Plasma, LCD, LCOS, DLP, and CRT. I do not see a model number provided, but I would bet that you have an LCD rear projection TV rather than a DLP projection TV. If this is the case, the Blueish and Greenish blotches you are seeing on the screen are the result of UV light damage. UV light will move heavily damage the Blue panel, due it's short wave length. So, bad Blue or Green (absence or Blue) is typically the the first visual indicator of a problem. Replacing the Light Engine will resolve the problem.

Mar 15, 2010 | Hitachi 43FDX01B TV

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Blue screen


Are you using component video cables? If so, check that these aren't loose on either end. Next I'd consider that whatever video cable/input might be bad, and switch cable or cable type... i.e. switch from component to HDMI or vice-versa. Then change up the source (cable box versus DVD player). If you're still seeing blue at this point, the TV internals are the bad.

Jul 23, 2008 | Panasonic TH-50PX75U Plasma HDTV

2 Answers

Plasma wnt stay on


I have had this problem in some models of plasma sets before. In most cases the power supply and main drive boards had to be replaced. In a small number of cases the failure was the screen itself.

In all cases, the cost of the repair was expensive. For the screen failure, the set was scrapped.

Jerry G.

Dec 30, 2007 | Hyundai ImageQuest HP4240 42 in. Plasma...

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