Question about IBM ThinkPad T40 2373 Notebook

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IBM T40 Laptop screen goes black, will not come back

System starts to boot, get windows logo, may even make it to desktop icons, enables wireless then, whamo! black screen. ntl/alt/delete MAY bring it back for 2 mins, then black again. keyboard seems fine, caps lock works fine on/off. trued func/F7, does not switch from prez output to LCD, suspect my LCD monitor is failing or cables have become loose.

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  • The SeaWard Dec 24, 2008

    My T40 too... seems only to happen when the laptop is jostled or if I plug in a USB device sometimes. Screen goes black and am pretty sure the backlight is off. The laptop is otherwise working, so I shut it down and reboot and the screen comes back.

  • gt_stud02 Feb 15, 2009

    The same thing happened to my T40, it got progressively worse by the way. Getting it looked at now is the best way to do it, I found tapping or full out hitting the space to the right of the  mouse helpful, but I think I may have done permanent damage that way.

  • chasega May 11, 2010

    unifi9230 Is this an easy in and out (of the case and motherboard) change of a board? No fine pitch solder or anything? Is this the same part you used? http://www.pchub.com/uph/laptop/43-28080... Thanks, Glenn nhpcfix at yahoo

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First of all, you have to check whether you can see video signal with surrounding light tilting the screen.
If you can see dim image, all you have to do is replace back-light inverter or fix it. Usually, the fuse is open and you can connect it by simple soldering.
If you can't see dim image, it is another problems.
Give it a try.

Posted on Mar 08, 2009

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I just replaced the inverter card on my T-40. This solved the problem of the screen going black after a sortly after booting.

Posted on Feb 18, 2009

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  • IBM Master
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Sounds like the display is set to turn off after a minute, go into display properties and set the display not to turn off at all

kind regards and please don't forget to rate us

Posted on Dec 09, 2008

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My A30 ibm laptop wont start up??


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Mar 02, 2010 | IBM ThinkPad T40 2373 Notebook

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T40 2373 no wireless connection


Hi it sounds like your driver is missing or corrupt , this may be the case if u have recently installed windows, go to control panel click on sytem icon then click on device manager button under the hardware tab, have a look then under network adapters to see if there is a yellow warning icon if so make a note of the name and you should be able to download the driver from this location. its near the bottom under networking wireless. 

http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-46258

please rate ! hope this helps :)

Feb 10, 2010 | IBM ThinkPad T40 2373 Notebook

1 Answer

I have an IBM T40 Laptop and I wanted to display my video to the television screen via the SV output. When I hook everything up, all I see on the television is the Windows Desktop background, no icons etc....


You set it to Multiple Monitors (if you move the mouse, you will probably be able to see it on the TV once it "goes out" of the laptop desktop). You need to change output mode to external S-Video.

First of all try hitting Fn + F7 key to switch to Ext-S-Video. If it works, that's it, of course. If it doesn't, TV output is not enabled.

Right-click on the desktop to bring up the Properties, go to Settings. You'll see two monitor images there, 1 and 2.

Click Advanced, then go to Displays. You'll get CRT, TV and LCD. Turn on the TV button and tune your settings.

At this point, the hotkey Fn + F7 is enabled to cycle between LCD and TV.

If it still doesn't work and you see the blank desktop, go again in Display Properties, choose LCD as Primary Display, select Secondary, and verify that "Extend desktop on this display" is NOT checked.

Nov 03, 2009 | IBM ThinkPad T40 2373 Notebook

2 Answers

Thinkpad 42 on startup screen is in a red pigment then goes to the blue welcome screen then goes completely black. On occasion may see my desktop for a moment.


This sounds like a display card (graphics card ) driver issue, or else the screen is going bad..

test that out by hooking up an external screen to the port on your laptop.. Then toggle using your function keys to use the external display..

If the external display allows you to see your desktop..

reload your graphics card driver, then boot up normally..

if the screen still doesnt work, you may need to replace it

Oct 30, 2009 | IBM ThinkPad T40 2373 Notebook

2 Answers

How can i change windows 2000 professional to windows xp professional


Hi,
find out if your computer supports the upgrade. if not you have to buy it from Microsoft.

Oct 01, 2009 | IBM ThinkPad T40 2373 Notebook

1 Answer

I need to turn my wirless internetnet option on and cant for my IBM thinkpad thanks


mostly the button is found on the left float side of your laptop 'IBM'. with two icons of a computer. please make sure that the button is on the side of the icon that shows a computer with weaves. so that your able to check the wireless access points you have in your range.
Wireless Connection:
Start > Control Panel > network connection>


Show network connections. If there is an X on wireless connection then connection is disabling and if no X then connection is enable.

make sure its enabled.

Right click on wireless network connection and click view available wireless networks.
You should see a list of available wireless networks


Then select the wireless network that you need to work on and click connect.


An icon in the lower right hand corner of your laptop should eventually appear stating that you are connected.
Then this will show you your wireless connection.

Excellent you connect to your wireless network.

Dec 15, 2008 | IBM ThinkPad T40 2373 Notebook

1 Answer

Ibm t40


Yap actually i greet you first
what your system is prompting you is that your Processor is getting Bad and you will need to replace it with a new ones ok
After that your system come back to life .
thanks
Rate this solution

Oct 20, 2008 | IBM ThinkPad T40 2373 Notebook

1 Answer

IBM ThinkPad T40 Hard Drive Problem


HI IM LOOKING FOR THE DRIVRS FOR MY LABTOP T40 I NEED ALL OF THEM I LOOKED IN TO IBM SUPPORT.COM BUT I CANT FIND IT SO IF ANYONE KNOW WHERER I MAY FIND IT HELP ME OUT THANK YOU

Sep 22, 2008 | IBM ThinkPad T40 2373 Notebook

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Ibm thinkpad t40


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

http://support.microsoft.com/kb/174630

THe most popular windows issue in all the land.

Oct 24, 2007 | IBM ThinkPad T40 2373 Notebook

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