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My led light power can not on and no power - Acer Aspire 5742Z-4200 Notebook

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The AC Adapter is bad. You will need to replace the AC Adapter.

Posted on Nov 25, 2013

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Posted on Jan 02, 2017

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When I have it plugged in, I get the yellow led light. Then when I push the power button the led turns blue, and the unit powers completely off, then goes back to yellow led.


it might be the problem with the internal wiring circuit ,...but not with any led lights. to get more information on led lights and led light bulbs visit ....
www.wholesaleledlights.co.ukwww.ledstriplights.co.ukwww.;ledtape.co.uk

Nov 29, 2011 | Element Electronics FLX-2210 22 in. LCD...

1 Answer

I have a mackie 3208 (8bus series) thats leds wont work. I opened it up to clean it and for some reason 4/10 times when i turn it on the leds work, the rest of the time no led works (meter bridge,...


Howdy, As i informed you in our chat the most likely source of your problem is the supply of power to the led lights. Check the power supply lines and try to trace for any breakages in contact from the beginning to the end. For the power supply.
Usually there are only 2 possible problems to led lights and they are light burn out or power failure due to a breakage in the flow of power from the point of power supply to the led light. Considering that all the led lights cannot burn out at the same time the problem is from the supply of power to the led lights. Trace the power source for inconsistencies.
Hope this solution has been helpful?
Thank you for visiting Fixya.

Jul 19, 2011 | Computers & Internet

1 Answer

My tv doesnt show any images and the panel has the light of fopc on


Common problems on Sharp LCD tvs as tv it is agings,tv Power LED and OPC LED,LEDS lights flashes happen to mine Sharp tv many times and i had it two years,do this many times,tries to turn on the tv.By trying pushes the power button the remote again if OPC LED and power LED,LEDS lights flashes together.Everytimes the OPC LED and power LED lights flashes,just push the power switch on the tv remote and wait for the tv main Tuner signal board to kick in the backlight to light up tv to work.Have to do this like three or four times before the power supply board to kick it in to make Tuner signal to work.If u require to this more than 5 or 6 times the main tv Tuner signal board it is shorting out and beyond trying to kick in by the power supply board.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish tv Tuner signal board for the replacement.

May 31, 2011 | Sharp LC-32SB24U 32 in. LCD TV

4 Answers

My Sharp LC-42-D62U won't power up. The power light blinks twice, then the power light and the OPC light blink together once. any fix to this problem?


Ur Tuner signal board have problems or dead.Ur power LED light indicator stable for a few mins before the power LED light,and the OPC LED light indicators flashes?After the POWER light and OPC light indicators flashes,just push the power button again for the power recycles again.Probally have to pushes the power button 3 or 4 for power light and opc light indicators flashes,the LCD backlght will lght up and work.Sharp tv have this problems alot,very common in Sharp LCD tvs.

Apr 17, 2010 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

1 Answer

Alarm lights keep blinking after I changed my printer ink.


E5 means cartridges error - to fix press the "stop\reset" button for 5-7 seconds and then release it.

You can also try this:

1) With the printer power turned off but connected to a power source, while pressing the Resume/Cancel button, press and hold the Power button.
(DO NOT release the buttons. The Power LED lights in green to indicate that a function is selectable.)

2) While holding the Power button, release the Resume/Cancel button. (DO NOT release the Power button.)

3) While holding the Power button, press the Resume/Cancel button 2 times, and then release both the Power and
Resume/Cancel buttons. (Each time the Resume/Cancel button is pressed, the Alarm and Power LEDs light
alternately, Alarm in orange and Power in green, starting with Alarm LED.)

4) When the Power LED lights in green, press the Resume/Cancel button the specified number of time(s)according to the function listed in the table below. (Each time the Resume/Cancel button is pressed, the Alarm and
Power LEDs light alternately, Alarm in orange and Power in green, starting with Alarm LED.)

4 times----Green (Power)------Waste ink counter resetting

Apr 07, 2010 | Canon PIXMA MP240 All-In-One InkJet...

1 Answer

Hp 6820s will not power up.


Try removing the battery and see if the light is normal.
If so, you may need to replace the battery.

Sep 28, 2009 | HP Computers & Internet

1 Answer

Canon ip 4200


1) With the printer power turned off, while pressing the Resume/Cancel button, press and hold the Power button.
(DO NOT release the buttons. The Power LED lights in green to indicate that a function is selectable.)

2) While holding the Power button, release the Resume/Cancel button. (DO NOT release the Power button.)

3) While holding the Power button, press the Resume/Cancel button 2 times, and then release both the Power and
Resume/Cancel buttons. (Each time the Resume/Cancel button is pressed, the Alarm and Power LEDs light
alternately, Alarm in orange and Power in green, starting with Alarm LED.)

4) When the Power LED lights in green, press the Resume/Cancel button 4 times, the green (power) led should be lit to reset ink absorbers.
(Each time the Resume/Cancel button is pressed, the Alarm and Power LEDs light alternately, Alarm in orange and Power in green, starting with Alarm LED.)

5)At the end of the service mode, press the Power button

Jan 10, 2009 | Canon PIXMA iP4200 InkJet Photo Printer

1 Answer

Canon ip4200 waste absorber is full


1) With the printer power turned off, while pressing the Resume/Cancel button, press and hold the Power button.
(DO NOT release the buttons. The Power LED lights in green to indicate that a function is selectable.)

2) While holding the Power button, release the Resume/Cancel button. (DO NOT release the Power button.)

3) While holding the Power button, press the Resume/Cancel button 2 times, and then release both the Power and
Resume/Cancel buttons. (Each time the Resume/Cancel button is pressed, the Alarm and Power LEDs light
alternately, Alarm in orange and Power in green, starting with Alarm LED.)

4) When the Power LED lights in green, press the Resume/Cancel button 4 times, the green (power) led should be lit to reset ink absorbers.
(Each time the Resume/Cancel button is pressed, the Alarm and Power LEDs light alternately, Alarm in orange and Power in green, starting with Alarm LED.)

5)At the end of the service mode, press the Power button

Jan 10, 2009 | Office Equipment & Supplies

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