Question about Dell Latitude D610 Notebook

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How to Disconnect Inverter Cable changing LCD

I am changing my LCD: how do I remove the inverter connector? There was a little blue plastic handle on it, but one side of that came off when I pulled on it - is it just the ribbon cable that slides out? What direction do I push/pull/slide the connector to get it free from the LCD so I can take the LCD out?

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  • Crap Iemael
    Crap Iemael May 11, 2010

    make that Liquit Crystal Display, sorry thinking LED.

  • Crap Iemael
    Crap Iemael May 11, 2010

    What are you talking about? LCD = Light Emitting Diode



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Just the flat ribbon cable comes out of the connector. There are various types of clamipng devices used. It all depends on what the manufacturer used that day. You will find either a full length clamp along the long side or small clips on both ends. Release these and the ribbon cable will slide out.

Posted on Nov 12, 2009


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My acer aspire 5517 laptop green blank screen and changes to red every 4 second!

More than likely the screen Inverter, Anowarul.

However the problem should be diagnosed.

Problem can be;
1) Graphics chipset
2) Video Cable
3) screen Inverter
4) LCD screen

I have a diagnostic flowchart you can follow, if you wish.
Post back in a Comment.

The plastic frame in front the LCD screen is the Display Bezel.
(Acer? LCD Bezel)

Once removed the screen Inverter is right there in front.
Mounted to the bottom of the LCD screen's Screen Frame.

Service Manual, (Free),

Go to where it states - Aspire 1200 (1200 in Blue)
Drop down to the 7th line. (5310G)
Scroll across, and click on 5517.

Post back in a Comment.


Mar 19, 2013 | Acer Aspire 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

1 Answer


Suggests a problem with the Video Cable, screen Inverter, or LCD screen.

However the diagnosis starts with the graphics chipset. It has to be ruled out as the problem before going on. Otherwise you would be foolishly replacing parts, (Video Cable, screen Inverter, LCD screen), when it would do no good.

1) Laptop OFF, monitor OFF, connect a VGA monitor to the VGA port, on the left side of the laptop.

This is an example of a VGA Cable, and VGA connector (port),

Scroll down a little for the VGA Cable example.

You can use a CRT type of VGA monitor, (Looks like a small TV), or a flat LCD screen monitor if it has a VGA cable.

Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on.
By factory default settings the display should show on the external VGA monitor.
If not;

There are at least 3 display options;
A) Internal monitor of laptop ONLY
B) Internal monitor of laptop AND external VGA monitor
C) External VGA monitor ONLY

Press, and hold the Fn key down, and at the same time tap once on the F5 key. (The F5 key is the Display Toggle-Over key)
Still no?
Hold the Fn key down again, and tap once more on the F5 key.

Display is good on external VGA monitor?
Then problem is Video Cable, or inside the Display Assembly.
(screen Inverter or LCD screen)

Display is bad on the external VGA monitor, means there is a problem with the graphics chipset.
Most of the time, it is the MOUNTING of the graphics chipset TO motherboard, and not a faulty graphics chipset.

Video Cable:
The Video Cable connects to the motherboard, in an area under the Middle Cover.
(Middle Cover. Acer for Switch Cover. The plastic strip under the LCD screen, and above the Keyboard. Has the Power On button, LED indicator lights, and speakers)

It then runs under the left Hinge, and up into the Display Assembly.
From there a small cable comes off of it, and connects to the screen Inverter. The main part of the Video Cable, then connects to the back of the LCD screen.

So we have - Motherboard connection, screen Inverter connection, and LCD screen connection.

Due to the normal opening, and closing of the laptop; one or all of those connections could be loose.
The Video Cable could be pinched, and pulled on.

It can also cause damage to the Video Cable.
Example of Video Cable,

The large white connector at the Bottom, with black insulation around it; plugs into the motherboard.
The small cable with the smaller white plug connector, connects to the screen Inverter.

The main part of the Video Cable goes up, and ends in a large white plug connector. The smaller cable that goes on up from it, plugs into the webcam.

Start by checking the motherboard side connection of the Video Cable.
1) Remove ALL power. Remove the AC adapter (Charger), and Battery.

2) Open the laptop.
Remove the Middle Cover.
The Middle Cover pops off. HOWEVER be aware that there are cable STILL attached.

Come to the right of the Power On's rectangular button. See the parting line of the Middle Cover to Bottom Cover?
I use a thick guitar pick to insert in that parting line, and ease the Middle Cover up a little.

You can also use a Spudger Tool. I do NOT recommend using a metal tool, such as a metal flat tipped screwdriver.
You can mar the plastic parts very easily, and also can cause damage.

IF, this is your only recourse, make SURE the tip of the screwdriver does NOT go in more than 1/8th Inch. That is a tiny bit more than 3mm.

Ease the Middle Cover up, then use your fingertips, and go along the edges of the Middle Cover. You want to pop the Middle Cover off, then roll it over on the Keyboard; with the cables still attached.

The Video Cable motherboard connector, is to the left of the left Speaker, and below the left Hinge.
Visual inspection alone will NOT do. You have to physically try to plug the Video Cable connector in.

Now ease the Battery back in, and reconnect the AC adapter. Plug AC adapter back into power. Turn the laptop on. Fix the problem?
No? Go on.

Remove ALL power again.
This time you are going to check the screen Inverter connection, and LCD screen connection.

The plastic frame in front of the LCD screen is the Display Bezel.
Acer calls it the LCD Bezel.
There are 4 Screw Covers to remove. One in each corner.
Top Left, Top Right, Bottom left, and Bottom Right.

These are made of synthetic rubber, or plastic. They have a type of rubber cement on them, that holds them on.
I take a computer pick, and remove them. You may find a similar tool if you do not have a computer pick.

Start at the bottom edge where the Screw Cover, meets the Display Bezel. Lift up.
If you use care when removing you may be able to reuse the Screw Covers. Don't stick anymore? Apply a tiny dab of rubber cement with a toothpick.
I L-I-G-H-T-L-Y stick them to the Display Bezel for safekeeping.

(They like to stick to the computer pick, your fingers, and it seems sometimes passing satellites)

Remove the 4 Philips head screws. (No.1 Philips screwdriver, or comparable Jeweler's screwdriver)
The Display Bezel has TABS that go around the perimeter, of the inside edges.
These snap into matching Latches on the Display Cover.

The Display Bezel is flexible. Made of space-age plastic.
To remove use your fingertips on the inside edge at the bottom. Flex the middle of the bottom up a little.
When it is high enough, slide s fingertip underneath, and go along the Display Bezel at the bottom. Go towards the Right, or Left.

The Tabs/Latches should start releasing. Snap, snap, snap. Almost sounds like you are breaking it.
Bottom popped loose go up the Left side, or Right side. Pop those Tabs/Latches loose.

Once the Display Bezel has popped loose pretty far, it should come off. I state SHOULD. I have has Display Bezels where I had to fight it all the way off. Every Tab/Latch had to be released.

See the small circuit board at the bottom? That is the screen Inverter. You can physically check the connection, just to see if it was loose.
While you are here though, you need to check LCD screen connection. After that, then make sure the screen Inverter connection is tight.

Reason is you are going to partially remove the LCD screen, to check it's connection; and this could disconnect the screen Inverter connection.
(Remember; all connections have to be Physically checked. If the screen Inverter connection was popped partially loose, when checking the LCD screen connection, you may not see it.
Check screen Inverter connection, AFTER checking LCD screen connection )

LCD screen connection is tight, after physically checking?
Screen Inverter connection is tight?
Lay the LCD screen assembly back in the Display Cover, and Display Cover is tilted back a little bit.
(Don't want LCD screen to fall forward)

All power reinstalled, turn the laptop on again, and see if these connections were the problem.
I have run into this many times, and so have users who have posted on here, through the years.

Still no?
You MUST rule out the Video Cable as the problem before going on.
Means the Video Cable has to be removed, and checked for continuity. Nothing fancy here. You just want to make sure electricity, is passing through every wire in the Video Cable.
Test is performed with a multimeter set to OHM's (1K), and every wire is checked.
No access to a multimeter? Then suggest taking the Video Cable down to the nearest small computer shop, and have them check it for continuity. Should only be a couple of bucks.

More in a Comment.

Jan 24, 2013 | Acer Extensa 5630Z-322G16Mn Notebook

1 Answer

Technika lcd 32-207 television powers up but will noit come on blkue light keeps flashing


if the blue lights keep flashing you have shorted parts inside. usually the inverter board have a shorted IC, try to remove the connector from inverter then try again..

if your blue lights lit replace the inverter which you disconnect.

Dec 06, 2012 | Televison & Video

1 Answer

Black screen delld600

Several things can cause your Dell Latittude D600 laptop's LCD screen to stop working.

Two of the most common causes relate directly to the inverter board and the backlight lamp.

The inverter board is a thin circuit board placed inside the LCD panel.

It's main function is to transfer power from the motherboard to the backlight bulb inside the LCD screen.

If the inverter board goes bad or the backlight lamp burns out, the screen will appear dim or eventually go completely black.

Turn off the laptop, unplug the power cable, close the LCD panel and place the laptop face down.

Remove the battery pack from its compartment on the bottom of the computer.

Flip the laptop back over and reopen the display panel all the way until it is in a 180-degree position.

Insert a flat head screwdriver into the right side of the keyboard bezel.

This is the plastic strip situated above the top row of keyboard keys. Carefully pry the bezel from the laptop.

Remove the two Phillips screws located above the top row of keyboard keys.

Grasp the top edge of the keyboard, tilt it upward and lay the keyboard face down on the palm rest area.

Unplug the keyboard's ribbon cable from the motherboard connector.

Carefully remove the entire keyboard from the laptop.

Disconnect the video and speaker cables extending from either side of the LCD panel to the motherboard.

Loosen the Phillips head screws on each LCD panel hinge.

Carefully lift the entire LCD panel off the laptop's base.

Relocate the panel to a flat work surface, and place the panel so the screen is facing upward.

Use a thin, flat head screwdriver to pry the rubber screw covers from the LCD panel's front plastic cover.

Remove the Phillips head screws revealed by the rubber covers.

Carefully remove the front plastic cover from the display panel.

Locate the inverter board situated below the LCD screen, inside the bottom edge of the display panel.

Disconnect the two cables from each end of the inverter.

Remove the two Phillips head screws fastening the inverter to the display panel.

Carefully lift the inverter board out of the display panel, and dispose of it.

Repeat this procedure in reverse to install the new inverter board, and reassemble the laptop.

Hope this helps

Oct 23, 2012 | Dell Latitude D600 Notebook

1 Answer

Changing the LCD lamps

You may follow the below mentioned steps to replace the lamps :

1. Power off the LCD TV. Unplug the AC power cord from the television and the electrical socket or power strip.
2. Locate the plastic or rubber grommets or screw hole covers on the rear edges of the LCD TV. Use an awl or small flat head screwdriver remove the rubber pieces from the screw holes by gently inserting the tool into the hole and prying out the cap. Note that on a few LCD TVs, the grommets or screw hole covers may be on the front face of the unit.
3. Loosen and remove the screws in the holes from which you removed the plastic or rubber grommets. Set the screws aside and keep them together.
4. Remove the plastic shield that protects the input ports on the rear of the TV if the unit has one. To remove the shield, use the awl to pry the plastic tabs loose or remove the retaining screws with the screwdriver.
5.Use the flat head screwdriver or awl to separate the front and rear pieces of the monitor casing. Start on the lower edge of the casing and gently pry the two pieces apart. Work your way around the outer edge of the television and separate the tabs until you can pull the front face off the casing. Remove the front bezel piece from the television.
6. Locate the inverter board below the LCD screen on the TV. The inverter board is small circuit board with wire connector plugs on either side. Disconnect the plug on the right side of the inverter board that leads to the backlight lamp bulb.
7. Use the Phillips screwdriver to remove the screws on the edges of the LCD screen that attach it to the rear part of the TV casing. After you remove all of the screws that secure the LCD screen, place the screen face down on a soft towel.
8. Remove the screws that secure the back light lamp in its track. If the wire leading from the back light lamp to the inverter board uses clamps or ties to secure the cable, disconnect or remove them. Remove the backlight lamp from the TV casing.
9. Insert the new backlight lamp into the track and secure with the retaining screws you removed from the old bulb assembly. Run the wire through the clamps or ties as needed to position the wire plug next to the inverter board.
10. Realign the LCD screen with the screw holes in the rear part of the TV casing. Insert the retaining screws and tighten them. Connect the wire plug from the back light lamp to the inverter board.
11. Replace the front part of the TV casing and snap into place. Reinsert the retaining screws in the holes on the rear of the TV and tighten with the Phillips screwdriver. Replace the plastic or rubber grommets and push them into place securely.
12. Reconnect the AC power cord and plug it into the wall socket. Power on the TV and use normally.

Feb 06, 2012 | Televison & Video

1 Answer

HP Pavilion Dv4-1540us screen - When powering up, the screen goes from black to blue and will not display anything.

If it proves that the inverter is to blame ...the procedure is not that complicated ...You basically have to open the LCD screen ..and change it ..To do that you have to remove the hinge cover..(this will snap off cause it has no screws attached ...Insert a plastic screwdriver like tool on the binding line in the back and twist it to depart ..and in front insert same tool on F1 and F11 position ..and step by step ..snap out ...)
You may remove the lcd from the hinges..just to handle it better ..but this will not be a must do move...Just disconnect it from the main board..and only remove it if you find the position uncomfortable to work in ..
The edge of the screen screwed ..and need to be removed...The screws are hidden under round lids that cover the screws..Just remove them ..and unscrew the edge ..
It will remove and you will have access to the LCD and the inverter ..The inverter is just plugged a\or screwed ..and all you have to do is to remove the old one and place the new one ..and redo all steps to place the parts together again ..
here you will find more advices about this problem and in general about laptop repair ..

Nov 15, 2011 | HP Pavilion dv6000z Notebook

1 Answer

Dell W1700 picture went out. Still have audio.

I have just did this here is the solution for you:

MoniServ, Inc.
Philips screw driver
Small Flat screwdriver
that’s all!
Make sure your desk is clean and you also need a piece of soft clothes because you need
to place your LCD Monitor face down.
How to open the back cover:
First, remove all screws on the back cover, then, use a small flat head screw driver to
push down
the plastic Clip inside the LCD Monitor star at the bottom of monitor. Then you can easily
separate the front bezel and back cover like the photos shown below.
Backlight Inverter Installation Procedures for Dell W1700
Place the Monitor
Face Down
Push This Plastic Button
Down and Remove
Swivel Base as shown
on Next Photo
Remove these
Star at the bottom of monitor as
shown on photo.
Use a small flat head screw drive
to push down the plastic clip.
Do it one side at the time as
shown on next 2 photos

When you have unlocked all 4 sides of plastic clips, Place the monitor face down again
as shown on photo
Slowly tilt
upward from
left side of
back cover
Disconnect this cable and
remove back cover
Remove two
screws and Pull
out this small
circuit board
Disconnect Speaker
cable and remove
the tapes
Backlight cables.
Remove these screws
on the both side of
Slowly tilt upward the chassis and disconnect the flat cable
between Chassis and Panel As shown on next 2 photos.
Holding the chassis upward and
Use small flat head screw drive
to unlock this plastic clip
Slowly pull it out
Remove defective inverter board and replace with our New Substitute Board
(T501045.00MSS) and re-install all disassembly components back. Now your LCD
Monitor working again.
MoniServ Substitute Board is available at
Backlight Inverter board.
Photo Shown with our Substitute Board
Remove 4
screws and
this cable

Nov 29, 2008 | Dell W1700 17 in. HD-Ready LCD Television

2 Answers


the inverter is located unerneath the monitor ( lid ), behind the bezel ( plastic cover that surrounds the screen ) unscrew the front cover and you can't miss the inverter its an elongated circuit board, just disconnect it and replace. You may have to take the lid off to get to the inverted depending on the bezel type
hope this helps 

Nov 20, 2008 | HP Compaq nx6310 Notebook

1 Answer


Always make sure the power cable is unplugged and the battery is removed before stating. The inverter is usually always right beneath the screen on most notebooks. Peel off the rubber pads or plastic covers around your screen to reveal the screws. Once all the screws are out you should be able to pull the plastic bezel off the screen. Sometimes seems stuck so pull hard but not hard enough to break it. The inverter is the little board below the LCD, usually has a cable pluged in at both ends and a few little screws holding it in. Remove the screws, unplug the cables. Reverse the process and hopefully your backlight will come on.

Jan 10, 2008 | Acer Aspire 1705SMi Notebook

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