Question about Dell Latitude E6400 Notebook

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Smoke came out from the back after I tried to replace LCD monitor in my Dell laptop E6430s

Initially there was no display once I connected the replacement monitor. After that I saw smoke. Took off the battery immediately.

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Be sure you had installed a compatible LCD on your system. take out all the connection of the lcd and try to figure out where the smoke came from, in might be from the inverter or from the supply.

thanks

Posted on Apr 02, 2014

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Posted on Jan 02, 2017

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Cuke
  • 1 Answer

SOURCE: Dell D600 LCD issue

What I've found on two laptops I've worked on in the past two years is that in a case like this, there is a little pin near the power button (or on the strip up near the display) that tells the laptop when the monitor is closed.  If that pin gets stuck, the computer will think it's shut all of the time.  The sensor is only active in normal mode of windows with the drivers installed (if it's in safe mode or VGA mode  the sensor does not work until you raise the resolution.  the sensor doesn't work at all if you boot from a knoppix cd.)

You may be able to just flick the pin and get it unstuck, but in some cases you have to remove it all togther.

To remove it, turn the lapotp off. lean the monitor back as far as it can go (don't force it). You then need to carefuly pry up the strip that the power button is on (ussually there is a space you can pry open on the left or right side of the strip depending on the model laptop; be very careful not to break anything).  You can then pop it out with a small knife or tweesers and clip the strip back down.

If you don't feel comfortable doing this, then find someone who is.

I hope this helps someone.

Posted on May 14, 2008

  • 69 Answers

SOURCE: Laptop does not work with AC adaptor, does not charge. Mother board issue

You may be able to get a battery charger but its rare.

If you do wish to use the AC adapter, take care with positive and negative. Also the voltage of the battery is actually lower than the AC adapter in order to get charged. I don't know what is going to happen if you do choose to use AC adapter as battery. 75% chance that it will work.

Good luck!

Posted on Oct 08, 2008

Joed911
  • 4338 Answers

SOURCE: Replacement battery for Dell Inspiron 1501 won't charge

If your old battery was doing the same (not charging), then is is because the charger is not charging the battery. Do you have a friend with a Dell laptop? Maybe you can use a borrowed charger to test and see if it will charge the batteries. To answer your question , no Dell does not have anything built in to prevent you from using a 3rd party battery.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Posted on Nov 28, 2008

  • 4 Answers

SOURCE: Dell Inspiron 1000 laptop LCD screen blackout

I HAVE POSTED THE SOLUTION FOR THIS BEFORE. ON THE LEFT REAR THE SCREW FROM BOTTOM OF UNIT TO THE LCD. LOOK INSIDE WHERE THE TOP AND BOTTOM GO TOGETHER YOU WILL SEE A PIECE OF ALUMINUM TAPE IF IT STICKS OUT PAST THE BOSS TOWARD THE PC BOARD. WHEN YOU MOVE LCD THERE IS ENOUGH FLEX FOR IT TO SHORT TO PC BOARD. TRIM THIS OFF AND YOUR PROBLEMS WILL BE SOLVED. CAUTION REMOVE BATTERY AND UNPLUG FROM AC BEFORE THE ABOVE. BOBBY

Posted on Jan 09, 2009

  • 21 Answers

SOURCE: 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

Posted on May 31, 2009

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Dell 1703fpi


Dell 1703fpi LCD monitor,

http://philadelphia-pa.americanlisted.com/computers/dell-1703fpi-17-lcd-monitor-vgadvi-usb-hub-50-phoenixville_21225579.html

I got that part Dan.........

What I need is what Model Number of Dell Inspiron it is.
This is on the Bottom of the Inspiron laptop.

Why?
Because I do not know if the Dell Inspiron laptop you have, has a DVI port, or a VGA port; for an external monitor......

Generic information while I wait.........

Example of Digital Visual Interface port, and corresponding cable,

http://en.wikipedia.org/wiki/Digital_Visual_Interface

Example of Video Graphics Array port,

http://en.wikipedia.org/wiki/VGA_connector

Can be on the side, or back of laptop.

Laptop OFF, monitor OFF, connect the matching video cable from the external monitor; to the laptop.
Now turn the laptop on.....

By factory default settings, the display should now show on the external monitor. (Dell 1703fpi)
No?

There are at least 3 display options available;
1) Internal monitor of laptop ONLY
2) Internal monitor of laptop AND external monitor
3) External monitor ONLY

Press, and hold down on the Fn key. (Usually 2nd key from left on bottom row of keyboard)
AT THE SAME time tap once on the Display Toggle-Over key.

Which one is that? Dunno.
Laptop model number was not stated.
For a Dell Inspiron though, it's usually the F8 key.
(F1 through F12 keys at the top of the keyboard)

Hold the Fn key down, and at the same time tap once on the F8 key.
Still no?
Hold the Fn key down again, and tap once more on the F8 key.

IF, F8 is the correct key for Display Toggle-Over, and there is no display on the external Dell 1703fpi; then I suggest you have a problem with the video chipset; on the motherboard.......

Awaiting reply in a Comment.

Regards,
joecoolvette

Jul 03, 2013 | Computers & Internet

2 Answers

Laptop will not bootup


I would plug in a cable to another monitor to see if you can get a picture. Most tv's now have a monitor link. You could also try getting on your computer through a network computer if you have one. If it works with another monitor you can use it to help you fix it. Dell has diagnostic programs on their site.

Feb 01, 2013 | Dell Latitude D630 PC Notebook

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E248WFP (external) Monitor Won't Power Off when Laptop Screen does!


this is not a pc problem... this is because the connection loss between pc and monitor... not all pc's have sleep mode in externa vga connection.... it just cuts power off... u can configure monitor of possible to do that..

Jul 09, 2012 | Dell UltraSharp E248WFP 24" LCD Monitor

1 Answer

Laptop all whit screen


Dell Inspiron 1420 Notebook PC?

The white screen can be fixed. How?

Connect a VGA monitor to the laptop. Connect to the VGA port on the right rear. Example of a VGA Cable, and VGA connector,

http://en.wikipedia.org/wiki/VGA_connector

You can use a CRT type monitor, (Looks like a small TV), or a flat LCD screen monitor that has a VGA cable.
By default the display should show on the external VGA monitor.

No?
Press, and hold the Fn key down, and at the same time tap the F8 key ONCE.
Still no?
There are at least 3 display options available;

1) Internal monitor of laptop ONLY
2) Internal monitor of laptop AND external VGA monitor
3) External VGA monitor ONLY

Hold the Fn key down again, and tap once more on the F8 key.

No display on the external VGA monitor, means you have a bad graphics chipset. Replace motherboard.
Display does show on the external VGA monitor, means you have a problem with;

1) Video Cable
or
2) Screen Inverter
or
3) LCD screen

Video Cable:
The Display Panel Cable (Video Cable for Dell), connects to the motherboard by the left Hinge.
Goes under the left Hinge, and up into the Display Assembly.
It then connects to the Screen Inverter, and to the back of the Display Panel. (LCD screen for Dell)

From normal opening, and closing of the laptop, the Display Panel Cable may become pinched in the left Hinge.
This can cause;
A) The connection at the motherboard to come loose
B) The connection at the back of the Display Panel to come loose
C) Stretch the wires inside the Display Panel Cable's sheath, and damage the wires. (Break)

If you are lucky just the connection at the motherboard, and/or connection at the back of the Display panel, may have come loose.

Diagnoses is to NOT just look at the connections, but physically push the connectors of the Display Panel Cable, into the connector at the motherboard, AND back of the Display Panel.

Visually inspect the Display Panel Cable's sheath. Do you see any outward appearance of damage? This means the tiny wires inside may be damaged.
Replace the Display Panel Cable.

Remove ALL power. Remove the AC adapter (Charger), and Battery.
Remove the Keyboard Cover.

Unfasten the Keyboard, LEAVING the Keyboard Cable ATTACHED to the motherboard. Roll the Keyboard over, and lay it upside down on the Palm Rest Cover,

http://support.dell.com/support/edocs/systems/ins1420/en/SM/display.htm#wp1129771

[ NOTE*
Two Philips head screws at top of Keyboard. After removing, lift the top of the Keyboard up a little, slide it a LITTLE towards the Display Panel.
DO NOT lift it straight up at first.
There are 3 plastic tabs on the bottom of the Keyboard, that slide into the Palm Rest Cover. If you pick it straight up you will break those tabs off ]

In Removing the Display Assembly, note where number 1 points to.
This is the Display Panel Cable's connection, TO the motherboard.

Note where number 2 points to. Those cables going to the Mini-Card Antenna, HAVE to be reconnected, right back to the SAME terminals on the Mini-Card. Make a mark on the cables, and matching marks on the Mini-Card.

Use the instructions in Removing the Display Bezel.
Use the instructions in Removing the Display Panel.

View the last illustration in Removing the Display Panel.
Note how the Display Panel Cable attaches to the Display Panel, and Screen Inverter

Number 2 points to the connection at the back of the Display Panel
Number 6 points to the connection to the Screen Inverter
The Black connector that is not numbered at the bottom, is the motherboard connector of the Display Panel Cable.

This is a better view of the screen Inverter,

http://www.ebay.com/itm/Dell-Inspiron-1420-1421-LCD-Inverter-Backlight-Combo-/370274752470

Display Panel Cable checks out? Look at the screen Inverter. This small circuit board is located at the bottom of the Display Panel, and behind the Display Bezel. Closer look at link listed above.

Is the cable coming from the Display Panel Cable, plugged in tightly to it?
Does the screen Inverter look damaged?

Post back in a Comment, and we will go from there.
Regards,
joecoolvette

Jun 09, 2012 | Dell Inspiron 1420 Laptop

1 Answer

White screen


The white screen you are getting is it just right after turning on the computer? If yes it means that you were not able to see the Dell logo correct?

Try connecting an external monitor thru VGA. While monitor and laptop is on with white screen please do this. Hold down Fn key then press F8 at the same time. This will toggle the display from the laptop to external monitor. If laptop displays to external monitor means that laptop LCD needs to be replaced.

If you do not have an external monitor try this.
While laptop is OFF. Do this. Hold down the D key then press power button at the same time.
Check if the laptop will display colors the whole screen. If you still see white screen then LCD needs replacement.

LCD mean LCD panel or the whole screen together with LCD cable and Inverter.

Hope this helps.

Mar 25, 2011 | Dell Inspiron 1525 Notebook

1 Answer

Dim screen dell precision m70 too dark screen


try this press and hold Fn then tap on arrow up key check if the display will become bright. if fails try connecting an external monitor to your laptop check if display is fine. if not then uninstall video driver then install a latest one. if fails replace the video card drive or motherboard if video is built-in. if display is fine from the external monitor then reseat the LCD cable if fails then replace the LCD panel with the LCD cable.


Oct 24, 2009 | Dell Precision M70 Notebook

1 Answer

AcerAL1714 LCD Not Connecting With DELL Inspiron 15 Vista Laptop


There is a symbol of Two monitors on F3 Or F4 button

1. Press Fn key and hold it
2. by holding Fn key press F3 key

Your monitor will start displaying

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I have a Dell laptop D505. The laptop powers up but the screen display is very dim. I can't see the image on the monitor. I've tried to manually increase the color/brightness button and nothing changes. ...


Sounds like your inverter or your backlight is failing. The inverter is an easy repair, the backlight can be replaced but it involves taking the LCD panel apart, The backlight comes installed on new screens. I can include a service manual below and possibly a generic guide to backlight replacement....

http://support.dell.com/support/edocs/systems/latd505/sm/display.htm#1052500

http://www.laptoprepair101.com/laptop/2007/01/31/replace-screen-inverter-fix-backlight/

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Hear power on, black screen. wont do anything.


- try to connect you machine to an external monitor
- if the display appears on your external monitor the problem would be the LCD screen of your laptop (need to replace it)
- if there is no display on both laptop and external monitor i suspected it's the motherboard faulty
- send your laptop to service center to replace it (if it is underr warranty it's free

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Cannot display picture on the screen and laptop


Hold down the Fn button and press F8. Try this pushing F8 once. then try it again pushing F8 twice. And so on. The F8 button switches the display between the lcd monitor on the laptop and the external display. There should be an option in there to display on both at once.

Jan 21, 2009 | Dell Latitude D600 Notebook

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