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I have a ibm T41 laptop the display still works fine but the backlight has gone comes on for about 5 sec's when i reboot then goes off. would i need a LCD inverter?

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No, if it's the backlight you need to replace the screen.

Posted on Jul 06, 2008

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2 X IBM T41 laptops, both with extremely dim displays. I'm guessing the inverter has gone, any thoughts? Any availability ideas for replacements for either inverter, ot complete LCD assy, including...


When the invertors fail, it is common to be completely dead not showing a little light.
Maybe they have both failed but I would check the power save settings first.
Hope that helps.

Feb 25, 2011 | IBM ThinkPad T41 Notebook

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I am using IBM t41 think pad, but from last 2year ...


There might be loose parts or connection inside the laptop. Is your laptop still under warranty. If it is still under warranty, i suggest that you have it repaired at our depot repair department. Opening the laptop on your own will void the warranty.

May 21, 2010 | Lenovo ThinkPad T41 Notebook

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Laptop LCD display problem


The backlight is the light bult that illuminates the screen. Before it finally goes out completely it will turn your screen a pink color on startup (and then usually become brighter and the pink fades). It is also possible that the backlight, also called a Cold Cathode Flourescent Light, CCFL, died an immediate death. But usually they take a while and signal with the "PINKNESS" first. If you found that your computer is working just fine connected to an external monitor (and you moved the base of your laptop around while connected to the monitor to be sure and left the computer on for a long time) then you have verified that the screen is the problem. It is usually two things: (1) the inverter, a circuit board that increases the voltage to supply the LCD which eats around 700 volts (yeah baby); or (2) the backlight itself. The first problem is a relatively easy and inexpensive fix. You can find how to replace an inverter by downloading the Hardware Maintenance Manual for the T40, T41, etc., from IBM/Lenovo's site. Replacing the backlight itself, a bulb that is like a strand of speghetti and even more delicate, is a tougher job. I would suggest purchasing a replacement screen in that event rather than replacing the backlight yourself. (The HMM probably does not show you how to replace the backlight/CCFL as it is a potentially dangerous job.) That suggestion assumes you can find a cost-effective replacement screen and do not mind opening the TP and putting the new screen in. At least look at the HMM to see what is involved. Good luck.

Apr 07, 2009 | IBM ThinkPad T42 Notebook

1 Answer

IBM thinkpad t41 screen goes blank after being used for about 5 minutes. Could it be a motherboard issue?


If the machine keeps running it might be your inverter or your backlight for your lcd screen. Next time it happens take a flashlight and hold it at an angle near your screen. I f you can see an image it's your screen that's having the problem. If the laptop is shutting down after 5 mins it could be a heat issue. Make sure all the vents are clear and the fan is running. If all those things are working then it could be your motherboard.

Mar 26, 2009 | IBM ThinkPad i Series 1412i Notebook

2 Answers

No backlight


with a multimeter verify if you have power in inverter, if not, try to connect the inverter to another power supply for testing.

Jan 06, 2009 | IBM ThinkPad T41 Notebook

2 Answers

Ibm t41 thinkpad display problem


actually its the problem of the cable that gives display to your screen , open your laptop and replace this cable
rate this solution

Oct 15, 2008 | IBM ThinkPad T41 2373 Notebook

2 Answers

T41 IBM thinkpad monitor goes off


Saw exactly the same think on another t41 i was trying to fix. If it was moved at all screen went off.

Turned out it was corrosion on the motherboard that was causing the problem.

Has it been liquid damaged or got damp in the past?

Jan 07, 2008 | IBM ThinkPad T41 Notebook

1 Answer

Backlight problem


if this is a new laptop, then I am guessing you are using it on battery, and you may have some power save setting turned on that is dimming the screen...

Take a look at your power settings under control panel...

M

Jan 01, 2008 | IBM ThinkPad T43 Notebook

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IBM T41 Hinge Replacement


Repair4Laptop: Repairing of Laptop and Notebook LCD Displays IBM ThinkPad T41: Screen inverter replacement guide, explaining how to fix a laptop backlight problem. ... Samsung X10: (An illustrated display hinge replacement guide)

Good Luck ...........Please dont for get to Vote, Thank You.

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