Question about Acer Aspire 5735 Notebook

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My Acer LCD backlight will not stay on. I can turn the laptop on the backlight come on for a second then stay off. What can i do to fix it.

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Acer lcd backlit will not stay on. i can

Posted on Dec 22, 2010

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I am having the same problem on acer 5735 at the post screen it comes on for a second then goes off. i have changed the invertor board but still the same problem. alt and f6 will make it come on again but again just for a second. when it does come on it is not dull or anything. has anyone actually fixed this problem what did it end up being????

Posted on Nov 29, 2010

  • Mark
    Mark Dec 16, 2010

    found out my problem was the ccfl lamp in the screen itself it can be repaced if you are very skilled but you might break the actual screen itself the invertor after testing was shutting down becuse the lamp was causing a power surge and there is protection on the invertor to protect against this. i did replace the lamp myself but it was not easy to do and i was lucky

  • branxx86 Jul 26, 2011

    I Have a ACER X223WBD the lamps kept shutting down. The power light would stay blue but the the backlight would turn off. I replace the cfl power supply and the same thing. I CHANGE THE CFL BULBS AND THIS FIX THE PROBLEM. The bulbs are causing some sort of short causing the protection circuit to shut down the backlights.

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Hey pal, can you post your problem more detailed

Posted on Aug 30, 2010

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pgh_pa_guy
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SOURCE: Backlight wont stay on

The inverter board which provides the backlight power isn't working properly. This is a pretty common problem with LCD screens. The inverter is in the display, mounted under the display panel. It's a fairly simple job to replace the inverter. You have to remove the screws holding the front of the display to the back and separate the pieces. The inverter is held in place by a couple of screws and has a couple of cables connecting it to the main board and display panel. Unplug those, remove the inverter, mount the replacement and plug the cables back in. Then reassemble the display. A search on Google for "acer 5315 inverter" turned up several sources for the replacement part. Here is one. I don't know anything about this seller; I just picked it as an example.

Posted on May 19, 2009

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2 Answers

Backlight issue for an Acer Aspire 8730 It will turn on for anywhere from 1 to 6 seconds by use of the F6 function. It turns on and off turning the boot up process, but ultimately it stays off. I can see...


Hi,
Most of the times it is the back light issue (failing Inverter or the CCFL-Lamp). Acer Aspire 8730 has 2 lamps and it is highly unlikely that both of them fail together. Hence, I suspect the failing Inverter. Secondly, I have come across a few issues related to back light failing/ flickering etc, which were due to loose connections and LCD cable only. There are, I think, 3-4 connector (from motherboard to inverter- Inverter to lamp, Cable from motherboard to LCD for data) and 1 cable from the motherboard to the LCD. If there is any loosing or the cable is damaged, the back light flickers when you open or close the lid, however, when the Inverter or the Lamp fails the display is completely dark all the time. Furthermore, the Inverter supplies high voltage to the lamps, therefore, proper precautions should be taken while working inside LCD. If you are familiar with working/ troubleshooting such electronics, you may check for the loosing / faulty cable etc. and try to fix them yourself. Otherwise, if it is the faulty lamp or Inverter, it is highly recommended that you seek assistance from authorized professional for repair.

Hope it helps! Good Luck! Thanks for using Fixya!
CreativeTECH

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Acer Aspire 5610 LCD backlight problem


If it is less than 1 year old, go to http://www.acerwarranty.co.uk for UK or http://support.acer.com/ for US.

I did this last year for my girlfriends laptop backlight problem and it was a free courier both ways and was repaired within 2 weeks (new part required). No cost to you.

Otherwise, sorry I dont know how to fix it.

Nov 05, 2009 | Acer Aspire 3680 Laptop

2 Answers

Acer 5810t laptop. screen gone black


Press and hold the Power button for 45 seconds to turn the laptop off.

Then, remove the battery from the battery compartment and clean the metal contacts.
Next, reinsert the Battery and try to turn it ON.

If the display still doesn't come then you may try connecting an external display to check if the Computer is able to produce display and the issue is with the backlight of the LCD screen.


wish u good luck!!!!!!!!!!!

Sep 17, 2009 | Computers & Internet

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Screen is dim barely can see desktop in background


Usually this is a problem with the backlight, or inverter. Most of the time the inverter is the problem which is a pretty cheap fix. If its the backlight, then you will have to replace the lcd, which is much more expensive.

Normally this is caused by the power inverter for the lcd2.gif. It is a small circuit board right below the lcd, that powers the backlight. If you take off the front bezel of the laptop you should be able to see it, it will have a 2 wire power cord coming out the one end, and another plug in2.gif on the other end with several wires.

Check ebay for a replacment but make sure you get an identical model as the one you have, as they are very specific to each laptop. The inverter will have the part number written on it.

Sep 11, 2009 | Acer 22" X223w LCD Monitor

1 Answer

Acer 5515 backlight not working also bootmanager missing


You need to fix the boot manager problem first by connecting an external monitor to the laptop so you can see and do a system repair.

As for the backlight problem :-
You could have a faulty CCFL lamp or inverter, 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

Aug 14, 2009 | Acer Aspire 5610-4648 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

1 Answer

Backlight wont stay on


The inverter board which provides the backlight power isn't working properly. This is a pretty common problem with LCD screens. The inverter is in the display, mounted under the display panel. It's a fairly simple job to replace the inverter. You have to remove the screws holding the front of the display to the back and separate the pieces. The inverter is held in place by a couple of screws and has a couple of cables connecting it to the main board and display panel. Unplug those, remove the inverter, mount the replacement and plug the cables back in. Then reassemble the display. A search on Google for "acer 5315 inverter" turned up several sources for the replacement part. Here is one. I don't know anything about this seller; I just picked it as an example.

May 19, 2009 | Acer Aspire 5315 Notebook

1 Answer

Acer 5515 backlight problem


Defective CCFL backlight may has 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.
  • 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 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.

Apr 03, 2009 | Acer Aspire 5500 5570-2609 Laptop

2 Answers

Ihave an acer 9410Z laptop the backlight won't


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

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