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LCD / Plasma HDTV will not turn on - No Display on screen. Power cord is properly connected. Disconnected, waited 60 seconds. Still no picture or sound

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Ur backlight inverter video board is dead.needed a new board.

Posted on Oct 02, 2009

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Replace power supply board on nexus 50" plasma hdtv


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Take it to a repair shop.

Apr 08, 2014 | CTL Nexus NX2403 24 LCD TV

1 Answer

Show error


E indicates an Error condition.

1.Without turning off the product, disconnect the USB cable from the rear of the product.

NOTE:The USB cable connects to the port on the rear of the product. The port is labeled with the USB icon ( ). If your printer has a network or wireless connection, ignore this step.

Figure 1: Example USB connection (your product might not look exactly the same as this example)


2.Remove the cartridges from the product.

3.Wait until a message to insert the cartridges displays. If you do not see a message within a few minutes, skip to the next step.

NOTE:If your printer does not have a display, wait until the cartridge lights blink. If the cartridge lights do not blink within a few minutes, skip to the next step.

4.Disconnect the power cord from the back of the product.

5.Wait 60 seconds.

6.Reconnect the power cord. If the product does not automatically turn on, press the Power button ( ).

7.Reinsert the cartridges, and then close any open doors on the product.

8.If you receive a prompt to print a calibration page, do so.

9.If you disconnected the USB cable, reconnect it to the rear of the product.

10. Try printing again.


1.Without turning off the product, disconnect the USB cable from the rear of the product.

NOTE:The USB cable connects to the port on the rear of the product. The port is labeled with the USB icon ( ). If your printer has a network or wireless connection, ignore this step.

Figure 1: Example USB connection (your product might not look exactly the same as this example)


2.Remove the cartridges from the product.

3.Wait until a message to insert the cartridges displays. If you do not see a message within a few minutes, skip to the next step.

NOTE:If your printer does not have a display, wait until the cartridge lights blink. If the cartridge lights do not blink within a few minutes, skip to the next step.

4.Disconnect the power cord from the back of the product.

5.Wait 60 seconds.

6.Reconnect the power cord. If the product does not automatically turn on, press the Power button ( ).

7.Reinsert the cartridges, and then close any open doors on the product.

8.If you receive a prompt to print a calibration page, do so.

9.If you disconnected the USB cable, reconnect it to the rear of the product.

10. Try printing again.



If that doesn't work you can log on to HP.com/Support and Drivers.
Find your device and search the error codes listed.
You can also download a real good Utility, HP Print and Scan Doctor.

Apr 27, 2012 | HP DeskJet F380 All-In-One Printer

1 Answer

How do you clear memory - its telling me its full but I have no message saying cartridges need replacing


Issue: ERROR LCD: MEMORY FULL
Solution: Press ON/OFF switch to reset the multifunction device

Reset the device when it is not functioning properly. If the device is not functioning properly or to clear memory, reset it. important.gif Important: If resetting the printer's power does not clear the error or return the machine to a functioning state, it may be necessary to attempt a service reset. for instructions to attempt a service reset.

  1. On the operator panel, press and hold the <ON/OFF> button for one second. (The display will go blank.)

    Note: It may be necessary to unplug the power cord if pressing the ON/OFF button does not shut off the printer.

  2. Wait approximately ten seconds and then press the <ON/OFF> button again.

  3. Wait until the device has completed its cycling process before submitting another job request.

Service Reset:
  1. On the operator panel, press and hold the <ON/OFF> button for one second to power off the printer. (The display will go blank.)

    Note: It may be necessary to unplug the power cord if pressing the ON/OFF button does not shut off the printer.

  2. Confirm the printer is not on and then unplug the power cord from the back of the printer.
    If the power cord was disconnected (as stated in step 1) in order to shut off the printer, go to step 3.

  3. Press the <ON/OFF> button repeatedly five times.

  4. Re-connect the power cord.

  5. Press the <ON/OFF> button to power the printer back on.

  6. Wait until the device has completed its cycling process before submitting another job request.

Aug 29, 2011 | Canon PIXMA MX310 All-In-One Printer

1 Answer

Turn on picture and sound are great. for about 60 seconds. then the picture disappear but sound is great. turn power off wait a little bit ( try differ times. from 15 seconds to 10 minutes) Turn back...


The tv have a long board call a LCD inverter board.This long LCD inverter board is dead.That why,the tv have picture only flashes like a min. than,died and have sound left only.The LCD long inverter board help the LCD screen panel to have a backlight to produced a picture.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish long LCD inverter board for the replacement.

Oct 16, 2010 | RCA L32HD32D 32 in. LCD HDTV

1 Answer

I have an HDMI cord hooked to my Bravia it is set on video 6 the cable box is powered on and funtiona and the HDMI cord is good. I am getting no sound and no picture is there any way to test the HDMI port...


if you have video im assuming you do if you can see its on video 6 look at hdmi port and make shure its video 6 if your not shure leave it hooked up the way you have it turn on cable box and go thru all inputs example put it on video 1 wait for 60 seconds if nothing happens go to video 2 and so on and so on be shure to wait at least 60 seconds before you change to another input good luck

Feb 03, 2010 | Sony BRAVIA KDL-32S2000 32 in. LCD HDTV

1 Answer

No Picture or Sound on Vizio 52" Plasma TV


Try to use the reset factory reset feature. Unplug the set. After unplugging press the power button for 30 seconds. Plug the set back in and turn it on.

Apr 21, 2009 | Vizio L32 32 in. LCD HDTV

1 Answer

Toshiba 52HL167 52" HD LCD


I have similar problem. Sometimes it will show only a blank screen. Just unplug the AC cord, wait a few seconds and plug the AC cord back in. This will reset the processor and the picture is back. It happens once a month. Not a big issue to call warranty service.

Jun 21, 2008 | Toshiba 52HL167 52 in. LCD HDTV

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