Question about Acer Aspire 4520-5141 Notebook

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The backlight on my Acer 4520 is not working. I tried the flashlight trick and it worked. Everything is there but no light to illuminate the screen. How can I fix this?

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The screen needs to be replaced. Its very uncommon to just get the backlight replaced. everything is one piece now.

Posted on Apr 15, 2009

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2 Answers

It says cable not connected


I would suggest a bit of troubleshooting, since it could be an issue with your graphics card/video adapter, or also the panel itself.
First of all, if the screen goes dark, does the unit still remained powered up? (power indicator lit, etc)
If so, use a bright flashlight to shine on the screen. If it is the backlight, then you should see be able to your display, but it will be very dark (the backlight, as the name suggests, illuminates the screen from behind, which makes the rest of it visible). Sometimes the backlights can be expensive, but you never know.
If that doesn't work, I would suggest hooking it up to another PC. If the problem is with the monitor, it should do the same thing when connected to another computer. If it doesn't you may have an issue with your video card.
One last thing to note: some Acer LCD's carry 3 years limited warranty on them; a warranty would most likely cover this kind of issue. I don't know when or where you bought this, but you might want to do a little research; if it still has a warranty in force, then they will repair/replace and you would only have to pay shipping.

Aug 02, 2012 | Acer G215H LCD Monitor

1 Answer

The backlight on my screen went out


Hello,
2 things could be happening here..The good: the screen has just been dimmed and needs to be adjustedThe bad: The back lights are failing and need the screen needs to be replaced.

Nov 17, 2011 | Acer Aspire 4520-5582 Notebook

1 Answer

You can hold a flashlite to see the screen, i was told it might be the light bar or inverter can you plz tell me what the problem is before i spend to much money


Ok if you can see the image when you show a flashlight to it means that the backlight is not working, it could be a simple problem as the backlight power cable loose inside or in worst case the backlight completely damaged. Best to take it to a service center and they will be able to tell you what happened. Hopefully it's just a loose cable.As LCDs do not produce light themselves they need illumination (ambient light or a special light source) to produce a visible image. Backlights illuminate the LCD from the side or back of the display panel.Backlights are used in small displays to increase readability in low light conditions.You can search for info on Backlight to learn more about it.

Jan 25, 2011 | Computers & Internet

1 Answer

Wifes Acer laptop screen went black, power light is on, fan is running, but nothing comes up on the screen.... We're stumped...


If you reboot it and everything seems normal except there is no display, get a flashlight and examine the screen for a display with no backlight. Maybe it is just the back light power supply that has failed?
Hope that helps.

Jan 15, 2011 | Acer Computers & Internet

1 Answer

I hace Acer aspire 4520. Suddenly the screen went blank. I tried to start the laptop but never starts. The power is available, battery is working and power button is illumination. Please advise what to do?


try to re-seating the memory card(s) located on back, clean it if necessary. If it has two cards, try one to another probably one of them is out of order

Apr 09, 2010 | Acer Aspire 4520-5803 Laptop

2 Answers

Backlight on Acer Aspire 7720-6395 gone instantly


bud there is a chip in the back of the monitor which enables the back light it a fix only a pro ca do its cheap enough but monitors now are fairly cheap so i look into repair but if not then sry a new one is needed

Jul 26, 2009 | Acer Aspire 7720-6569 Notebook

2 Answers

Cant get monitor to light up


your problem is a faulty ccfl BackLight Inverter, the display uses the backlight to illuminate the lcd screen, the inverter is used to illuminate the cold cathode light in the back of ther lcd theirs countless places to laern about it on google.
They are cheap to replace google your model with inverter at the end..
However you 1st need to make sure the new screen didnt come with an inverter. It should have if it did then you may have a motherboard issue.

Apr 09, 2009 | HP Pavilion dv8000t Notebook

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