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Flick Screen My screen goes light and dark (quick flashing) would that be driver or LCD issue. When I attempt to turn on auto dim flash all the time does get dim, matches hard drive sound with a click!

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Hi alex , first try to get the latest update for the laptop graphics adapter (start > settings > system tab > settings > than look at what graphics card is installed (display / graphics ) write down the type and brand and search via google for signed drivers (latest version) for your operating system and check if the display is set to the correct refreshrate (should be 60hz ) , some displays however need tot be set to 75hz. if this does not solve the flickering , search for a update of the auto dim feature. if this doesn't help either i guess it may well be a lcd problem with the signal cable it can be fixed but if there is waranty on it better bring it to your supplier and ask them to fix it instead of trying to fix it your self ..

Posted on Apr 27, 2008

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Hi,
Inverter is inside the LCD Screen. Mostly at the bottom in the middle. To locate the Invertor, you have to take apart the LCD Screen by removing the LCD Frame, removing rubber pads & screws (depending upon the Model of notebook you have). Moreover, the cause of dim/ dark display could be the faulty lamp. So, I recommend that you check both the Inverter and Lamp.
Another likely cause is a bad connection of power from motherboard to the LCD. So first check the connectors/ wires for any damage before proceeding to replace Inverter of lamp.
For your convenience and idea about LCD Display, I have found a general link about CCFL replacement. Click here for detailed and graphical DIY instructions about LCD disassembly.
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Hope it helps! Good Luck! Thanks for using Fixya!
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I shut my computer down, I then traveled about 10 minutes in a car. When I arrived the computer had not been dropped and nothing hit it. When I attempted to turn it on it booted all the way. I could hear...


It is for sure that a damage is done on the LCD and it needs to be checked on HOW THIS HAD HAPPENED.
It seems that if the laptop was not shut but the LCD display door was made to stay OPEN while you were driving then the motion/vibration could have damaged the LCD or the linking wires to the LCD panel. Check carefully on the hinges of the laptop and see if there is any cracks. Also if there is display on an external monitor then the PC is working fine . You can open the laptop and ccheck if any connector of the LCD panel is loose. If no the LCD is a suspect and You must take an opinion from HP. Claim for warranty if the time limit is within.

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My dell inspiron laptop 1000 screen turns dark every few seconds. if I close the computer half way and open it,it stay bright for a few seconds and turns dark again


This is your back light on your lcd display, To prove that have a flash light handy when it goes dark point the flash light at the screen and you should see the screen and that would mean right there you got a back light going out or the inverter that powers it is going bad. Etherway if this is not your area of work you need to tech it to a computer tech local to have it repaired.

Thanks for being considerate with your ratings and feedback today.

May 04, 2010 | Dell Inspiron 1525 Notebook

1 Answer

The screen goes very dark within a minute after booting up = I can just barely see the menu page


When you say screen goes very dark when it booted to windows so it means that when you turned on the laptop when the dell logo flashes the screen was fine? if thats the case could you please try this. after turning on the laptop you will see the dell logo flashes immediately keep tapping on F2 and then it will show you the BIOS setup utility, please check if in BIOS setup display goes dark as well. If yes then try this, after turning on the computer when dell logo flashes keep tapping on F12 to boot menu then select utility partition to run the diagnostics. Please run test on the LCD check if display goes black when running the LCD test. Then try this when you sees the dell logo keep tapping on F8 to boot in safe mode check if in safe mode display goes very dark. Try this too, boot in F8 then select last known good configuration check if the settings on your display will be fix. If you can boot to safe mode no problem then uninstall the display or video driver. then restart computer.
You can also try to connect an external monitor if you have one just try to isolate if issue is on the LCD or the video card. If the display is dark as well in external monitor then video card needs to be reseated if fails then replaced. In situation like this most video cards is integrated to the motherboards. So replace motherboard.

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2 Answers

Screen "Flashes" on/off


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.

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1 Answer

Aspire 6920 after power up, goes to black screen


You could have a defective LCD screen, If the laptop appears to be booting up and running and the hard disk is spinning and the hard disk LED light is flashing but the screen is dark then, to determine if you have a LCD screen 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.

Jun 23, 2009 | Acer Aspire 6920 Notebook PC

1 Answer

Screen


You have a hardware problem.
You most likely have a 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.
  • 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 10, 2009 | Acer Aspire 5610-4648 Notebook

1 Answer

Presario R3000 display went dark can not see Screen goes black after a few minutes of use. You can see a very faint image after a few seconds, but you must do a soft re-start to bring the screen back....


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.

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does the fan work ok? and do you have a laptop holder for it or you just have it on a desk ....get a laptop holder for it if you do not have one and as for the rest goto the power mangment area on the computer and see if the monitor might be on stand by after a few min ...

Jul 14, 2008 | Compaq Presario R3000 Notebook

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