Question about Acer Aspire 3680 Laptop

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Inverters my acer 3690 has a bad inverter,is it wrth fixing?

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You didn't mention what the problem was, only the alleged culprit. If you have no display backlight, it is possible that the inverter for the fluorescent tube (or the tube itself) has failed and this is sometimes on a small, separate board and may not be too expensive to replace.
I assume you know that you can use an external monitor until you repair or replace your laptop; just hope that the video output for external displays is turned on by default, otherwise your kind of stuck.   Unless you have been faithful in backing up your hard drive, most people would lean toward repairing the current problem so info on the drive can be retrieved.

Posted on Oct 24, 2008

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Posted on Jan 02, 2017

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Hi I have a Acer aspire 9410 (9414wlsmi) 17 screen. The problem is that i have no backlight at all, i've bought a new screen + new inverter/backlight driver + new cable but it did'nt help i have...


The inverter/backlight combination isn't the whole picture. The inverter powers the backlight, but the inverter is controlled by a signal commonly called "Brite-On", which comes from the motherboard. If the "Bright -On" signal from the motherboard is missing,then the inverter (and thus the backlight) won't work. The problem you are having is on the motherboard. here's a link to a datasheet of such a device:

http://pdf1.alldatasheet.com/datasheet-pdf/view/245132/FAIRCHILD/FAN7317.html

May 15, 2011 | Acer Aspire 3690 (LX.AFL0J.044) PC...

1 Answer

Acer aspire 3690 has pink screen in lower half toward middle of screen


Your screen inverter is going bad, you will need to replace the screen inverter. You can parts on ebay, and you may need to take your computer apart to get it replaced.

Jan 30, 2011 | Acer Aspire 3690-2196 Notebook

2 Answers

Acer inverter


Sorry mate, first of all for Laptops it is not easy for anyone to fix the cracked screen. they need special tools to fix them. The inverter is the battery that you will have to checked. If it is old enough to get changed do that at first priority and everything should be up and running

Feb 24, 2010 | Acer Aspire 3610 Notebook

1 Answer

My screen flashes from black then back to normal. Is ok for a while, then starts again


you may have a lose connection on the inverter and powercord connection

Nov 07, 2009 | Acer Aspire 3690-2196 Notebook

1 Answer

Computer is on, screen stays black


You could have a faulty inverter or a CCFL lamp, To determine if you have a LCD screen, inverter or video card problem, read this and follow these instructions.
Defective CCFL backlight, it may have the following symptom: Screen flashs on red/pink and off. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickering on and off. 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 the monitor up first then the laptop, 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.

Jul 04, 2009 | Acer Aspire 3690-2196 Notebook

2 Answers

Acer Aspire 3690 remove the screen


There screws all around the lcd that are hidden by black rubber / plastic.

Examine the plastic and you'll see them. Pop them off with a straight blade screwdriver.

Then just unscrew all the screws. Most use only 4-6 screws.

Once they are all out. Carefully pull the plastic housing off with your hands. You shouldn't have to use much force so try to be gentle.

Afterwards you should be able to take it from there. There will be brackets holding the lcd in place.

Take those out and then remove the lcd cable from the back of the screen and the inverter from the bottom portion of the lcd.

Swap the lcds and put everything back together.

That should do the trick.

Let me know if you get stuck.


Feb 24, 2009 | Acer Aspire 3690-2196 Notebook

1 Answer

Back light on my acer laptop is not working been told its the inverter I have the same problem with my Acer Aspire 5610-4491. The backlight lamp sometimes goes out for loooong periods of time and...


I assume you can see a faint image on the panel but it's just not lit at all.

you cannot replace the lamp, as it is part of the lcd itself. If the laptop is in warranty, contact acer. if not, try this:

remove the lcd bezel (front plastic). peel off the sticky dots and undo the screws to remove the bezel. The inverter board will be at the bottom of the lcd panel - basically right behind the acer logo on the bezel. disconnect and reconnect the connectors on each side of the inverter board - it might just be a bad/loose connection. If this doesn't fix it, it's probably worth gambling on a new inverter board. Call acer, it's a very inexpensive part ($20 probably)

Hope this helps!

Jan 18, 2009 | Acer Aspire 5610-4491 Notebook

1 Answer

Another question....


hi dear

Just try to change your display with crt monitor to try ...
and when it not work try to ...fix it with memory module (DDR), change that first with local technician
oke dear


Jul 09, 2008 | Acer Aspire 3690-2196 Notebook

2 Answers

Acer 3690 Notebook/laptop computer


Carefully open the screen lid and look at the back of the screen there is a type number [like LTN15ox3] you can then obtain a replacement screen from ebay searching for this type number.
However if the screen only shows a faint dark image the fault could be the screen inverter that powers up the backlight tube in the screen.

Mar 14, 2008 | Acer Aspire 3690-2196 Notebook

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