Question about Aspire Acer 7520-5071 Notebook

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The screen is on but is dark, i think the backlight is not on.

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You can try to powerdrain the Laptop or Remove the Battery and try to turn it back on if still have the same issue and if the system is running then it might be that there is a problem ith the LCD. you need to get intouch with acer check the warranty for repair so that they can replace you LCD free of charge


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Posted on Jul 30, 2010

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I think the backlight is failing, you will need to have it replaced. It is also possible that the backlight inverter (power supply) may be faulty but that usually shows up a fault. I think it unlikely that the screen itself has failed unless it has been subjected to pressure damage.
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Hello!!! I need an asistence with my computer screem is so dark... and it has been working fine but yesterday I was watching a movie and after an our becomes to runig alitle beat darking and more dark so...


This looks like a backlight problem. Every LCD has a backlight the older ones have Fluorescent lamps and newer ones have LED.
Most probably your laptops screen is equipped with a fluorescent lamp.
You may need to replace the backlight or the inverter of the screen.
I would not recommend doing it at home because messing with a LCD screen can damage it (make it unrepairable) and you might get electrocuted.
Take your laptop to a qualified technician or if its under warranty you might get it fixed for free.
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You could have a defective screen - a defective inverter or a CCFL lamp.
To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:
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All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

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Shure 'nuff. Sounds like either the inverter or backlight. I would go for the inverter as that seems to be the more common item to fail, it usually is cheaper than the backlight, and easier to replace.
If you need to directed to an online maint manual, let me know.
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You will need to replace the LCD screen. The cheapest way to go is ebay. Here is one.

Thanks and please take a moment to rate as fixya.

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