Question about IBM ThinkPad T40 2373 Notebook

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Hit a key on T40, near Mouse and now screen is completely black

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  • Cleverer2 May 11, 2010

    OK.... Now screen is what?? Inverted, sideways, tiny, upside down



    Can't help with 1/2 (or less) info

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  • 114 Answers

Sounds like you hit the Fn and another combination and dimmed the brightness down to black or turned off the light with another Fn combo. Reversing by pressing Fn and one of the keys that looks like a light should do the trick to get it back.

Posted on Jan 15, 2009

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1 Answer

Need to know how to locate wi-fi key on my ThinkPad T40. I have wi-fi but loss connection on laptop


Hit f1 on boot to enter bios. Networks-Internal wireless adapter-enable-f10-enter to save and reboot.

Sep 15, 2013 | IBM ThinkPad T40 2373 Notebook

1 Answer

After changing out fan IBM think pad t40 screen goes black after windows xp screen finishes losding up


Wait Black Screen? AFTER you changed the fan... hmmm... I think I know what the problem is. Okay solution one; You might of hit a wire or cord in the computer when you changed out the fan. Two: You might have the virus 223, get it fixed and it should be going again! Hoped this helped! :D

Mar 25, 2013 | IBM ThinkPad T40 2373 Notebook

1 Answer

External monitor only works if I start windows vista in safe mode


First after you boot it up normally (not Safe Mode) can you move the mouse far to the left or to the right do you see the mouse. If you do see the mouse pointer you are running dual monitor mode and the laptop screen is set as the primary monitor. You have to run it in Save Mode and set the external monitor as the primary monitor. Hit the Start button then select Help+Support and in the search box enter "dual monitors". Read how to set up the primary monitor.

Second maybe you need to activate the external monitor. When laptops boot normally (not Safe Mode again) with a external monitor connected you have to hit the Fn (function) key (probably blue near Alt key) and some other number key (it probably has a blue monitor symbol on it) I'm not sure which one. This key sequence is a toggle sequence. In other words when you boot a laptop it goes directly to the laptop screen then the first time you do a Fn + number key combination it will turn on the external monitor and turn off the laptop screen the next time you push Fn+number key it will turn on both monitors (external and laptop screen) the third time it will turn on only the laptop screen and so forth.

Aug 19, 2012 | HP Pavilion dv7-1245dx Notebook

1 Answer

I have a Toshiba Satellite T1300, the computers starts fine but the video screen is black.


Try to hook it up to an external monitor, if this works,your video card is working, Next Step.. then look on the laptop keyboard for a functiion key with a little picture of a screen on it, usually u have to hold down the fn key and hit F4, or F5 or F6 etc, look at the F keys at the top of the keyboard, and hold down function key at the bottom left of the keyboard, usually near the alt and ctrl keys, if you dont have a fn key (function key then hit ctr key, and at the same time hit the F key with screen pic on it, it might say lcd on key or be a box inside a box on the key. If this doesnt work try rebooting the laptop in safe mode by hitting F8 key before windows starts and go into safe mode. It is possible that a recent program or windows update that was installed is causing the blank screen. If the black screen happened after a new software install, delete that software while in safe mode. And reboot, Good Luck :)

Mar 31, 2010 | Toshiba Satellite PSPA0U01S006 Notebook

3 Answers

When i shake my laptop, its screes becomes black


Do not shake your laptop.
There are components, like hard disk, graphics card, that are sensitive to shakes.

Jan 29, 2010 | 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

1 Answer

Will not boot... black screen?


Try removing the battery completely and powering it up on AC power. Sometimes a dead battery (even if you're plugged in to AC) will stall a boot-up in its tracks. If this doesn't help, please reply back and let me know if anything changed.

Jul 09, 2009 | IBM ThinkPad T40 2373 Notebook

1 Answer

I have a Presario C500 Compaq laptop


when upower up press F8 key then enter in enable vga mode.
then set screeen resolution to 1024*768
and if u r not abled to login enable vga then enter in safe mode.
then go to start menu run then type in run "chkdsk /r"
thats it
then restart it then it fix error on hardddisk.

Jun 08, 2009 | HP Compaq Presario C500t Notebook

2 Answers

Frozen mouse with a touch pad laptop computer


file:///C:/Documents%20and%20Settings/GX-620/Desktop/TouchPad_ALPS_v.7.0.1101.14_Vistax86.zip

reinstall your touchpad drivers, and make sure it is not switched off (if you were using an extra mouse)

May 13, 2009 | Acer Aspire 5315 Notebook

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