Question about Dell Latitude D620 Notebook

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Dell Latitude D620 Gray Screen

Recently, the screen to my dell latitude D620 has been fading in and out to gray. Most of the time when if I fiddle my screen, the screen will turn clear and gray again. What should I do?

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  • cpendyala Feb 03, 2009

    The screen started graying out fading or flickering..

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I don't know about that particular laptop but it sounds like a loose connection between mainboard and screen plus a bad inverter (regulates and supplies voltage to the actual screen from the main power source). Laptops typically have the inverter hidden somewhere in the frame that surrounds the actual lcd screen. Sometimes this regulator is part of a small circuit board, sometimes it is not (I suppose it might be part of the actual lcd in some cases, but i've never seen that). I would investigate things further in that direction and just hope your lcd itself isnt bad.

Posted on Jan 22, 2009

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I have a dell latitude D620 that the screen look blurred, i change the resolution to the highest but still blurred.


Hi,

It is unfortunate that the LCD screen has blurred. There is a possibility that the LCD screen has failed. You may want to use the below link and performing an LCD BIST:

http://dell.to/1irqbYp

Also try connecting a known good external monitor and check if that helps.

Thanks and Regards.
Kiran Kumar.
#iworkfordell.

Jul 01, 2014 | Dell Latitude D620 Laptop (Latitude-C620)...

1 Answer

Where is the LCD cutoff switch located ?


Both the D620 and the D630 use the same keyboard.

The picture below shows the keyboard.

Hold down the blue Fn key at lower left, and then press F8 while holding down Fn. Press F8 multiple times until the screen returns.

If that fails, the ribbon cable connected at the main board from the screen may be loose and removing it, then reconnecting it, is the most likely solution.
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May 17, 2014 | Dell Latitude D630 Notebook

1 Answer

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

5 Answers

How to remove Dell Latitude D620 BIOS Password.


send me the service tag wich u can see on the bottom cover or trun on laptop u will see on screen hash code like this XXXXXXX-595B or D35b or 2A7B send me complete .ill send u password .

Jul 19, 2010 | Dell Latitude D620 Notebook

3 Answers

Is dell latitude D620 laptop have a web cam.


dell latitude D620 do not have webcam
if you want to have a latitude laptop which com with builtin webcam then buy Latitude E series.

Jun 08, 2010 | Dell Latitude D600 Notebook

1 Answer

Why is my Dell Latitude D620 laptop screen turning white?


You'll have to live with it. It's taken damage, it's not repairable, it's only replaceable. My Latitude screen was replaced after only 2 1/2 years.

Nov 02, 2009 | Dell Latitude D620 Notebook

1 Answer

Won't fully boot. Get windows screen, then it stalls gray


reformated twice? have you already ran diagnostics on the hdd? check first the hdd thru diagnostics it might the hdd causing the problem. if no errors found in hdd make sure it was reformated as clean install. your hdd might have partition and just reinstalled OS on he same partition without deleting partitions. Try deleting partitions then create new partitions then reinstall OS.

Oct 21, 2009 | Dell Latitude D610 Notebook

1 Answer

Dell Latitude d620 display problem


Sounds like your computer has just bit the dust, do your self a favor and purchase a new one. This time buy an XP, it might be a little bit more, but you get what you pay for. 
  `Nbryson

May 30, 2009 | Dell Latitude D620 Notebook

4 Answers

Need system unlock code for dell latitude


i can give master password
for any laptob dell or samsung or others

u can contact me on
ghost_unknown_0@hotmail.com

Sep 27, 2008 | Dell Latitude D620 Notebook

1 Answer

Screen image is distorted small using Epson EMP 821 with Latitude D620


Check Epson"s support site to see if there is a driver for the projector. Some projectors require a driver for the visual clarity, and lots of times the driver disc doesn't come with the projector, go figure, and don't ask me why.

Aug 04, 2008 | Dell Latitude D620 Notebook

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