Question about Fujitsu Siemens CELSIUS Notebook

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Display Disassemblage Help Notebooks

Do you have any usefull Tips for Display disassemblage on Laptops? I need to change the Backlight on 3 different Laptops and maybe the Inverter too, could you give me helpfull Tips? Mostly i would like to know how to check the Inverter to make sure it doesn't need to be replaced too. Do i have to let the Laptop ON to check if it is receiving and giving out 12 volts to the Backlights? Any Help with this would be appreciated.

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Re: Display Disassemblage Help Notebooks

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Re: Display Disassemblage Help Notebooks

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Posted on Sep 04, 2008

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Re: Display Disassemblage Help Notebooks

Hi, The inverter puts out a high frequency, high voltage supply to the CCF (florescent tube). It's output would then be high freq AC. My suggestion for the disassembly of the front panel display would be the same as to your other post > Cheers.

Posted on Aug 25, 2007

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Re: Display Disassemblage Help Notebooks

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Posted on Aug 25, 2007

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My lcd display is dim on my sony xdr-ds12ip dab radio, you can see the display faintly and it does search and display the time. Also the backlight is working normally.

The backlight allows you to see the display. The LCD display only allows the backlight to shine through and produce the characters. Try looking at the display from a different angle as the light is polarized.

Jan 29, 2015 | Sony PC Laptops

1 Answer

Laptop display backlight turns off

check and change the display inverter. backlight problems are related to invereter.

May 11, 2013 | Toshiba Qosmio PC Laptops

1 Answer

Hi I have Dell XPS M1210 laptop. When I turn on the screen nblinks for a second and then goes real dark. at first it look like its gone blank but if you look closly, the screen is on but very dark. I...

farooq473, replace the Inverter.

1) An LCD screen cannot produce enough light by itself. A Backlight is used to help provide the needed light.

2) An Inverter is used to provide power for the LCD screen, and the Backlight.

An Inverter boosts power up for the LCD screen, and lowers it for the Backlight.
90 percent of the time a bad Inverter is the problem.
A Backlight usually goes out all at once, Inverters slowly 'die'.

Dell Support > XPS 1210 Notebook PC > Service Manual,

In the list click on > Display
Now click on Display Panel.

Dell doesn't show, and describe how to replace the Inverter.
When you click on Display Panel, you are looking at an exploded photo showing the Display Panel removed.
Scroll down to the next small illustration.
Has 1, 2, 3, 4, and 5 pointing to the Display Panel.

5 shows you a pull tab to release a flat cable from the Inverter. The Inverter is the small circuit board to the left of the pull tab.

This is not advertising for this website. Just an example to show you what the Inverter circuit board looks like.
(Screen Inverter)

This is Not a Dell XPS 1210 Notebook PC. It is a guide for replacing an Inverter in a Dell Inspiron 1525 Notebook PC, but I wanted you to have photos, and instructions for the basic procedure.
After you have repaired over 100 laptops, you'll realize that they all have the same basic procedures.
Just different parts.

3) Be SURE ALL power is removed from the laptop before you start.
Remove the AC adapter (Charger) and Battery.

4) You should follow Anti-Static Precautions implicitly. It would be best if you bought, and wore an ESD wrist strap. (Electro Static Discharge) Connect the alligator clip to a good ground source.
(For example, I connect to the metal frame of an empty desktop computer case)

The cost averages from $3 to $12.
A $3 ESD wrist strap will do just fine.
This is an example of an ESD wrist strap,

5) Use a multi-compartment container for the various screws you will remove.
Label each container for the area the screws came out of.
You DO NOT want to mix them up!

You can use a clean egg carton in a pinch. Label each egg holder.

Have questions post in a Comment.
Regards joecoolvette

Nov 10, 2010 | Dell XPS M1210 Notebook

1 Answer

Toshiba P10 laptop screen no longer works.

It's not the inverter but the biotin backlight bulb that lights the display from underneath. The screen needs to be replaced unless you want to try and rebuild it and replace the backlight bulb. New screens from EBay should not be more than 70-100 bucks. If you want to try and replace the backlight bulb, the link is below for the procedure.....

Nov 03, 2009 | Toshiba Satellite LP154W01 Notebook

1 Answer

Satellite M105 S322 Display very Dim. The PC works fine with external monitor but the LCD display is dim and cannot see anything on the screen

You have lost your backlight which is a thin long bulb built into the bottom of the screen itself. You have the option of getting the backlight by itself and rebuilding the screen or buying a new screen assembly and changing that out. Below is the service guide to change the screen.

Below is a general guide for display problems....

Oct 27, 2009 | PC Laptops

2 Answers


your laptop display mass color, it is not the issue of inverter.
there are two situations:
1) mass color you can not see any messages like letter or picture
2) mass color with some or any messages you can see.
above situations you need to check LCD sreen cable connection between LCD socket and the motherboard socket, plug back properly.if not fixed, there are some tips you may consider:
1) change the Ram if the display ram is not isolated.
2) the LCD cable damage need to change or
3) LCD screen damage need to change or
4) finally the motherboard display chips damage(rare)

May 07, 2009 | HP Compaq Presario V2000 Notebook

1 Answer


If you're talking about you're notebooks display screen try connecting a standard monitor to you're notebook. There is a 15 pin VGA connector on the back of the notebook. Once connected restart the notebook. If you still do not have display on the monitor than you're integrated video card could be bad. If you do have display on the monitor, than you're notebooks video card is good needs to be repaired.

If I can help you further, feel free to post.
Suggestions & comments welcomed.

May 28, 2008 | Acer Aspire 5100 Notebook

1 Answer

Monitor has gone completely black


Normally notebooks last abt 3 years (3.0 GHz is abt 3 years, sorry) and then you will have to upgrade or change. In this case I suggest you get the "monitor" changed to a used one (I think u can find it in ebay) or buy a new one. The approx cost is USD 300.00 depending on the make of your notebook. U could also get it repaired if u can find a technician.

May 20, 2008 | PC Laptops

1 Answer

LCD display

Could be a lot of things: here is general tips for no backlight:

First if there is a suspend switch (usually right below the LCD sticking out of the notebook) make sure its not pushed down.

second: Did the LCD have a red tint before it failed? if not its probably the inverter. If it did then its probably the backlight, but its best to test the inverter using a known good LCD first.

If you dont have one, then any repair shop that deals with laptops4.gif should be able to diagnose this pretty quickly (you shouldnt pay more than a 1/2-3/4 hour labor to take apart and diagnose.

if it really needs a backlight, it is a very difficult thing to replace the backlight - i see more people break the screen or electronics on the LCD trying to replace a backlight. always try an inverter first which is only about $20-$50 for the dells.

Its usually comparable in cost to buy an LCD ($100-$200 for the part on most models) than replace the backlight (150-220 is the typical labor charges i have seen. Just find out the part number of the LCD to match up a replacement. Try Bliss which sells screens on ebay - nice company to deal with and has a wide variety of screens,

Hope this helps!

Dec 20, 2007 | PC Laptops

1 Answer

Can't find a repair/disassemblage guide for any FujitsuSiemens Laptop, specially Celsius H P4 Mobile

Just get the full manual of 102 pages, from ( It is pdf file and if you can't dowload it give me your email and i will send it to you. it is 1.5mb. all the best:

Aug 25, 2007 | Fujitsu Siemens CELSIUS Notebook

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