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Power on but no light on screen

Try to power on but no light on screen

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If sound can be heard, the fault is only with picture, 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://electronicshelponline.blogspot.com/

Posted on Dec 04, 2014

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Posted on Jan 02, 2017

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The acer 5536 wireless lan communication button indicator isn't on and the screen is black.


try external monitor to laptop with screen disconnected ,if it works laptop ok screen has problem ,common problem blown fluro light or power to screen and power to fluro ok fluro has problem,check power to screen fluro nil then screen power supply problem or led check wire loom from case to screen power supply.

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Some how my screen not coming on. The power is coming to the switch but screen not coming on


Without knowing the make and model, I can offer only general troubleshooting tips.

First off, when the machine is powered on, does the CAPS lock light work? If not, 99% of the time it is not getting past POST (Power on Self Test) and is hardware not initializing correctly, or failed. If this is the case, removed battery, unplug power, and hold power key down for 30 sec to discharge any power in the notebook. Connect battery, plug in, try again.

If the CAPS lock light works, tilt the screen towards a light source (will have to move around quite a bit) and look for a faint image on screen, if you see a faint image, the screens back light is not working, which could be many things (bad connection, inverter for CCFL lamps, bad voltage regulator for LED back lights, etc).

If you feel comfortable, you can try reseating memory, hard drive, wireless card, etc. essentially all the easy to get to components. You can also try deducing it, but removing one at a time...

Hope this helps steer you in the right direction

Good Luck!

Dec 06, 2013 | Computers & Internet

1 Answer

No power to lcd


Does it do anything? Does the power indicator light come on? Try checking the power cord and the cord linking it to the computer, make sure both are in tight and secure. If they are, make sure your power cord has continuity with a circuit checker. If it does, and the screen does not light up, try a different cord.

Feb 20, 2012 | Compaq Presario 700 470024-192 Notebook

1 Answer

I press my power button on and nothing comes on the screen. My screen is black as if it wasn't on. Please help me I have a Dell VOSTRO 1000


does a light come on when you press the power button? Remove the battery then just use the power adapter.Then check the cables of your power adapter if it is connected properly. Try unplugging and replugging the cable at the back of your laptop. Make sure that on the the power adapter ( the small rectangular boxlike) has a green light. Then try pressing the power button again.

Sep 22, 2010 | Computers & Internet

1 Answer

Power light comes on but no picture. Black screen


if the set appears dead ecept for the power light, unplug the power cord from the back of the set, wait two minutes, then plug it back in and try to turn on the tv. Doing this worked for me.

Jan 27, 2010 | Sanyo DP42746 42 in. Plasma Television

1 Answer

The power light does not come on,no screen. No


if there is no lite at all the problem definitely is with either the power cable or the port on monitor.

cable seems more likely tho...try n get a hold of another cable and try. make sure u dnt use a surge. try it directly to a power outlet first. no reset button can help no power situations.

Nov 01, 2009 | Computers & Internet

1 Answer

My laptop don't turn on but the green light in


you have power but no screen? try swipping your finger over mouse pad or pushing keyboard....also try a power cycle...unplugging battery but leaving the the poewr adapter in..push power button down for 1 minute....then press poewr button again...it might solve the problem...if not shine a flash light at screen see if you can see a faint image..there might be a problem with the inverter or backlight that lights up the screen...also try external monitor ifyou hvae one...and make sure computer power adapter is good and the battery is good...if this doesn't help you might have to get it serviced...if under warranty call warranty companie...if not under warranty call local computer repair shop

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3 Answers

OPC/DL light flashing Same problem of black screen and green lights flashing at power and OPC Help....


WHEN FLAT SCREEN SHARP LCD IS ON .. BLIKNING ON BOTTOM OF SCREEN SAYS OPC

Dec 08, 2008 | Televison & Video

1 Answer

I have a Lowrance LMS 320 GPS/Sonar and the screen does not light up. Power to the unit is there. Have tried soft and hard reset. Unit is 4-5 yrs old.


Are saying you can't read the screen at night, or is it hard to read the screen anytime?

If you tap the power key, you should here a beep and the screen should get brighter. If you hear the beep and there is no light, then the internal light has failed.

If you can't read the screen in normal light conditions try viewing it under a bright light at various angles. You may notice that the screen is just barely visible. If this is the case you may be able to fix the problem by adjusting the contrast. Try tapping bthe power key and then tap the right or left side of the track pad. It may take several taps to see the results. If left or right doesn't work, try up or down.

Jul 17, 2008 | Lowrance GPS

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