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My Dell Inspiron 6400 screen is blank. I can see a very faint image of the desktop on the screen. What could be causing the problem and how do i resolve it?

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It may have something to do with your adjustment of the LCD's brightness. Look for the brightness key in your keyboard and adjust it. Usually it goes with the Fn button.

Posted on Sep 29, 2008

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Color of projector output weird


Have you checked the cable (connectors) for good contact.

Mar 14, 2014 | Dell Inspiron 6400 Notebook

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I HAVE INSPIRON 6400 LAPTOP. ON SWITCHING ON SCREEN SHOWS BLUE & ORANGE WORDING OF DELL LOGO AND THEN GOES BLANK. IT WORKS WHEN USING AN EXTERNAL MONITOR.


Run the LCD BIST Test

http://support.dell.com/support/topics/global.aspx/support/dsn/document?c=us&cs=04&l=en&s=bsd&dn=1092705

If it passes, replace the motherboard, fails replace the LCD

May 17, 2010 | Dell Inspiron 6400 Notebook

1 Answer

The screen on our dell inspiron 6400 blacks out after being on for a while -- you can see a faint image on the screen but cannot lighten it enough to be useable. it also blacks out if the power supply...


This is typical of a back-light problem, especially when you view the LCD screen at a sharp angle and you see a dim Windows image. This fault is caused by either a faulty inverter or a faulty CCFL lamp.
The inverter supplies high voltage to the CCFL lamp. the CCFL lamp is a mini fluro lamp which fails with age and use.
This LCD screen can be repaired, the cost of an inverter and CCFL lamp.
For service, parts and DIY info check out LCD Parts WEB site, please click on this link to their site :-
www.lcdparts.net

Feb 08, 2010 | Dell Inspiron 6400 Notebook

1 Answer

Dell inspiron 6400 screen won't go 'full screen' on pinball (running XP Pro)


Hi Dominic
You need to buy a new computer, a Mac ideally.
A possible work-around for the 'not going full screen' problem would be to sit much closer to the screen, making the images appear larger.
If you could get hold of a magnifying glass from ebay this may help too.

Oct 23, 2009 | Dell Inspiron 6400 Notebook

1 Answer

Inspiron 6400 powers up but screen basically dark and barely able to see the desktop. using the FN key and the up arrow does not change the contrast. any thoughts?


Your backlight bulb went out, it's a long tube on the bottom typically, It's most likely taped to the LCD frame and encassed in a metal shield. Not for the faint of heart taking on the repair. Light fixtures are found on eBay however, or new LCDs of course

Oct 11, 2009 | Dell Inspiron 6400 Notebook

1 Answer

Dell inspiron 6400 start up problem.


Can you hear the hard drive spinning and the computer appears to be running but you you get a blank screen. If you look at the LCD screen at an acute angle and you see a dim image. then you have a backlight problem. To determine if you have a video card problem or a lcd screen problem, Connect an external monitor to your laptop and power the monitor up first and 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.
Get back to me with the results of these tests and any error messages etc. so I can advise you.

Jun 19, 2009 | Dell Inspiron 6400 Notebook

1 Answer

The screen is blank but I can see a faint image.


Try reseating the cable that goes to the back of the lcd and also the other end of that cable that plugs into the motherboard. If that doesn't do it then either the lcd or the inverter is bad. Either way when you get a replacement screen for a dell laptop it normally comes with a new inverter as well. If your laptop is under warranty thru dell then you can get it replaced thru them. If you have your serial number then I can look it up and see if your system is still under warranty.


May 26, 2009 | Dell 0JM629 Inspiron 1520 Keyboard

2 Answers

My Dell Inspiron 6400 is extremely dark. +brightness does nothing


Hi there.
Yes, if you can see a very faint image on the screen that indicates that the inverter or inverter coil has become defective and needs looking at or replacing.

Good luck and thanks for using Fixya!!

Feb 19, 2009 | Dell Inspiron 6400 Notebook

1 Answer

The screen went blank while the computer was on, we restarted it, the screen shows the Dell sign & the white bar then it goes blank, it won't go into safe mode, the light is green on the monitor, what...


If there is a faint image in the background it is the coils on the planar if no image it is either the invertor or the backlight
If you have a faint image resolder the coils or replace them

Dec 15, 2008 | Dell Dimension B110 PC Desktop

1 Answer

Inspiron screen wobble


image wobbling, or lcd wobblings, please?

Feb 28, 2008 | Dell Inspiron 6400 Notebook

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