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Hello guys I have LG 55" smart TV model# 55LX6500 ,screen is dark and no audio,only i have led for power,when TV is on I can't see anything even whit flash light on screen Appreciate if you can help

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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danasaur
  • 77 Answers

SOURCE: Toshiba power led flashing yellow

This flashing LED usually means only two things, both are quite harmless:

1. Some laptops will flash the power LED when battery is charging. If this is the case, it should stop when battery is fully charged. This can be presumed if the laptop starts normally while LED flashes. If not, suspect step 2 below:

2. Your laptop is either "asleep" (suspended) or in "hibernation" mode.It does this if left for a long time with no activity/input from you. You must simply "wake the laptop up" now:

Look for a symbol on keyboard for "sleeping" (like a half moon with zzzz) and press that key WITH whatever color coded key matches the symbol color (usually "FN" key). If there is no suchkey, press the space bar and hold it down a few seconds.

Then wait. Can take 60 seconds to "wake up" on slower processors.

If this does not work, press AND hold the POWER button for 10 seconds. Then wait 60 seconds and press power key again, briefly, to start laptop normally.

Pressing and holding the power button 6-10 seconds forces a complete system shutdown.

If this happens often, something may be wrong with APM or ACPI settings/driver. You can go to start menu/settings/control panels/power management and adjust settings (or disable sleep/suspend and hibernation if all else fails to resolve situation)

good luck.

Posted on Jun 08, 2008

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  • 16 Answers

SOURCE: green led light flashing on 700p proview flat panel and no picture

I have a similar problem.
Switching the screen off (front panel button) and on again after waiting a few seconds fixes it.
This is a recent problem, so I'm expecting it to get worse and worse until one day!!!!!!

Posted on Feb 10, 2009

  • 2 Answers

SOURCE: green led light flashing on 700p proview flat panel and no picture

Usually when the power light flashes and the screen remains blank and unlit, your power board is in fact malfunctioning. This is not always the case, as the problem can sometimes reside in the input or inverter boards. I would first recommend that you feel comfortable with opening up your screen and looking at components. It can be a little overwhelming at first. BEFORE PROCEEDING, UNPLUG POWER TO MONITOR. If inclined to check, carefully open the casing around your screen. I have not worked on your particular model, but some are easier to open than others.

Once opened, you need to gain access to the circuit boards. Sometimes they are not protected by metal, other times they are completely encompassed. The flashing power light usually indicates that a capacitor(s) is(are) malfunctioning. To see if this is the issue, locate the power board (usually the one with larger-size components) and look for any capacitors having bubbled or raised tops and/or oozing a brownish liquid. If not on the power board, look elsewhere for the same symptom.

PLEASE BE CAREFUL!!! If you have recently had your monitor plugged in, the larger capacitors can still carry a charge. If you cross the leads of a capacitor while it carries a charge, it will discharge. It won't hurt any other components, but if you cross the leads with something that is in direct contact with yourself, you can get quite a jolt! There is usually a large voltage capacitor (normally just one) on the power board of these screens. I tested one with a multimeter after immediately unplugging it, and it still held a 166V charge! So please, do this with caution.

If a bad capacitor has been found, simply remove the old one and solder a new one in its place!

Posted on Mar 26, 2009

duane_wong
  • 6826 Answers

SOURCE: Hello have a problem with tv Model is: lg

http://lgknowledgebase.com/kb/index.php?View=entry&EntryID=6281

The above link goes to lg's website describing the red flashing light where the power switch is, and

another switch down below which can turn that light off.

Try switching that other switch below off so the light turns off. Then, switch it back on.

If that doesn't work, then service should be scheduled for this discontinued model.

Hope this helps on your lg tv.

Posted on Jul 14, 2010

  • 8909 Answers

SOURCE: hello. i have a problem whit my dell 1525 pp29l

If it cannot finish POST then you have a mother board problem.
You state you reset the BIOS. Can you get to the BIOS menu? If you can then the problem is not motherboard errors but hard drive boot sector problems, depending on OS used.
If the BIOS has been updated, then it is possibly an incorrect version or corrupt.
If you can reflow the soldering, remove the BIOS chip and fit a known good one. That should fix your problem.
Hope this helps.

Posted on Nov 23, 2010

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Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced.

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You cannot replace a screen that big. The manufacturers wont ship it to you. IT has to be done by an authorized service center.

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it may be a problem with the backlight system.the leds use a edgelit led backlight instead of placing them directly behind the lcd panel. i suggest if it is very new take it back to the store otherwise you will need to call service technician LG should be able to give you contact info for authorized servicers in your area.

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