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Lcd screen d600 backlight turns off after 1 second

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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.

Posted on Jul 04, 2009

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The backlight won't turn on but occasionally will flicker.


Suggest you replace the Inverter. A Backlight goes out all at once.
90% of the time the Inverter is the hardware part at fault.

[ An LCD screen cannot produce enough light by itself.
A Backlight is used to supply the needed extra lighting.
A Backlight is a CCFL.
Cold Cathode Fluorescent Lamp.
Similar to Fluorescent lighting used in homes, and businesses, but on a much smaller scale

An Inverter is used to required power for the LCD screen, and the Backlight.
Boosts power up for the LCD screen, brings it down for the Backlight.

Dell Support > Latitude D600 Notebook PC > Service Manual

http://support.dell.com/support/edocs/systems/latd600/en/sm/index.htm

Replacing an Inverter is a simple job. Replacing a Backlight is not.
The Backlight is located within the LCD screen assembly.

The metal frame of the LCD screen assembly is removed along the edge where the Backlight is located, to access replacing the Backlight.

In the above list for Service Manual, click on > Display Assembly and Display Latch.

This information shows you where the Inverter is located on a Dell Latitude D620 Notebook PC.
The Latitude D620 is part of the Latitude D600 series of Notebook PC's.

http://www.insidemylaptop.com/remove-replace-lcd-screen-dell-latitude-d620-laptop/

Just one place from a quick search, that sells Inverters for a Latitude D600 series Notebook PC,

http://www.parts-people.com/index.php?action=item&id=2895

MATCH the part number listed that they have, to the part number on your Inverter.
You have to have THE correct Inverter.

Regards,
joecoolvette

Nov 05, 2010 | Dell Latitude D600 Notebook

1 Answer

Finding compatible replacement LCD for my Dell Latitude D600


Since you will need to open your computer and remove the screen to replace it, I suggest you remove it now and look up the part number on it. Then you'll now exactly want part you laptop has.

Alternatively, you can also get a copy of SiSoft Sandra and run it. It should give you the screen make and model

Mar 25, 2010 | Dell Latitude D600 Notebook

2 Answers

D600 Latitude laptop - LCD showing ghost/dim images


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

If you see a very dim image or flicking image on the LCD screen it means you have a backlight problem.

Dimimage and/or dark display on the laptop's LCD screen indicates a faultyLCD backlight and it could be the inverter that supplies high voltageto the CCFL lamp or it is the CCLF lamp is nearly burnt out or burntout, 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.
Thank you Sir, Have a nice day.

Sep 19, 2009 | Dell Latitude D600 Notebook

1 Answer

Replaced screen computer comes on, but screen stays black.


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 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.

Mar 22, 2009 | Dell Latitude D600 Notebook

1 Answer

Dell latitude D600 display blacks out, showing just a ghost image


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 the backlight.

If you see a very dim image or flicking image on the LCD screen it means you have a backlight problem.

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.

Mar 21, 2009 | Dell Latitude D600 Notebook

1 Answer

Elo 17" LCD Touch screen ET1725L Powers off after 1 second


Your problem lies ion either your back light inverter or in the backlight tubes ( bulbs) which are embedded in the LCD display. The display has 4 ccf tubes inside of it that provide the backlighting. if any of these tubes are bad the backlight inverter will shut off after about 1 second. Because there are 4 of these tubes inside the screen you may not notice ( brightness wise) if 1 of them is out.

You can buy another backlight inverter( about $70.00 US) however, from my experience that would be a waste of money. Unfortunately, I think your problem probably lies in your LCD and the backlight tubes are not replaceable.

Hope this helps all who have this problem.
Good luck

Jim

Oct 28, 2008 | Elo 17' LCD MONITOR, TOUCHSCREEN, 1280 X...

1 Answer

Dell D600 LCD screen turns on but no LCD picture anymore


hook up a CRT to the vga connection on the back of the laptop. Reboot, and press the Fn+F8 key and see if you can view your desktop on the crt. I am dealing with the same issue, but i noticed that i can make out just barely on the LCD my image of the desktop. In researching, it appears that either the inverter is bad or the backlight. Both appear to be very inexpensive to replace but requires some soldering experience. If you wish to give it a try, just look up www.lcdparts.net.

Also goto www.discountparts.com and see if they have a replacement/used LCD screen. That SHOULD be easier to replace.

john

Mar 31, 2008 | Dell Inspiron 1150 Latitude D600 14.1 LCD...

6 Answers

D600 screen went very dim


You also might check to see if there is a HOTKEY setting for the brightness of the screen (usually FUNCTION or FN and then some key on the top row).

Replacing the backlight on an LCD is a very advanced and trouble prone procedure, unless you are good with soldering and taking things apart, you should probably use it with an external monitor or think about getting a new machine. :>|

Oct 26, 2007 | Dell Latitude D600 Notebook

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