Question about LG DU-42PX12XC 42 in. Plasma HDTV

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When i turn on the power button it is getting power but after a few second it is getting power down,

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It can be bad power supply due to bad caps, or it goes into shutdown due to shorted circuits in the Y, Z, X Sustain board. Check all the fuses and caps on all those boards first.
http://www.fixya.com/support/r7406380-tv_training_manuals

http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm

Posted on Dec 28, 2010

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6ya6ya
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Posted on Jan 02, 2017

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MY LAPTOP AFTER 2-3HR WORK SHUTS DOWN AND WONT TURN OFF.i HAVETO PRESS THE START BUTTON TO REBOOT-PRODUCT ACER F5


Just wanted to confirm a few things..
Did you do a hard power down by holding the power button down for 5 seconds or by just briefly pressing the power button (which would put the computer to Sleep).
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Either way, do a hard power down by holding the power button for 5 seconds.
Unplug the laptop and find the battery disconnect pinhole switch underneath (indicated with a picture of a battery lifted up) and using a paperclip press and hold for 30 seconds.
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1. Turn tablet off. You may need to use two hands in this process to press and hold buttons properly.


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3. "Android Recovery" will appear on top of screen if timing is done correctly. Release volume button. (if you continue to press volume down at that message, the message will cycle through "RSD, Fastboot, and back to Android Recovery. Make sure message states Android Recovery before you go to next step). If stuck at a RSD protocol or Fast boot screen, reboot the tablet by holding power button then pressing the volume up).


4. While screen states "Android Recovery", Press volume up button, the screen will say "Entering Android recovery mode" and a few seconds later an Android robot graphic will appear alone on the screen. Release buttons.


5. Hold down power button and then press the volume up key together to see the Android Recovery screen menu selections.


6. Use the volume buttons to move up and down through selection in this menu.


7. Using the volume down button, scroll down to "Wipe data/factory reset"


8. Tap Power hard key to select option.


9. Scroll down to select "Yes, delete all user data".


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Instructions
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    • 2 Push the "Power" button while holding "Stop/Reset." Hold down both buttons for five seconds.
    • 3 Release "Stop/Reset" while holding down the "Power" button.
    • 4 Push "Stop/Reset" twice while continuing to hold the "Power" button. Release the "Power" button. The power light will turn green.
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    • 7 Remove both ink cartridges and wait 10 seconds. Replace the cartridges and close the MX310 cover. Wait 30 seconds.
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Please reset the Printer by following these steps:

Switch the Canon MX310 off using the "Power" button, then push the "Stop/Reset" button on the control panel. Hold the button down for about five seconds.

Push the "Power" button while holding "Stop/Reset." Hold down both buttons for five seconds.

Release "Stop/Reset" while holding down the "Power" button.

Push "Stop/Reset" twice while continuing to hold the "Power" button. Release the "Power" button. The power light will turn green.

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Push the "Power" button, then lift the MX310 cover open.

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