Question about IBM ThinkPad R40 2722 Notebook

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Keyboard on mt thinkpad wont work only a usb connected one will

Where do i find keyboard mappings? a led light is on that I cant recognize

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Search for and download the Hardware Maintenance Manual form IBM/Lenovo. They have the information online and/or in the pdf download file.

Posted on Apr 18, 2009

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IBM ThinkPad T40, when connected to docking station the laptop will randomly stop working with USB connected items like mouse, keyboard, printer all connected to USB ports on docking station.


Try a power adapter with more amperage. When you connect a dock, the 3 amp adapter that comes with IBM laptops will not have enough power for lots of add-ons. You'll need the 4 amp adapter.

Oct 15, 2013 | IBM ThinkPad R51 Notebook

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My ibm thinkpad from the year 2000 wont turn on. i have connected the adapter and put the battery. i press the button to turn it on but the laptop wont turn on


1st thing you need to do is to make sure the adapter is working.

check to see if any LED indicator lights up when you connect the charger.

if none of the indicators light up with the charger plugged in, you may need to consider replacing your charger/adapter.

however if the indicator come on, then it is most probably a problem with your power/on switch (at the least) or a problem with your motherboard (at the most)

Mar 31, 2011 | IBM ThinkPad T21 Notebook

1 Answer

Info req'd on user part of linova r61e thinkpad


Some Lenovo and ThinkPad computers have a LED light that is located on the top edge of the screen and can shine a light on the keyboard.
To switch on this LED light, press the Fn key plus the PgUp key (This key maybe different on some model laptops).

Feb 21, 2010 | Lenovo ThinkPad R61e Notebook

1 Answer

I plug in my mouse to my laptop and it wont work, the bottem doesnt even turn red.. when i connect it all it says is usb device not recognized, it worked last night and tonight its not.


Try disconnecting the mouse from the usb port and reboot the unit.
Now, on your touch pad, top left blue led is let showing it is functioning. Press the center button next to the led, which will shut off the internal mouse.
Plug in your mouse to a different USB port and the unit should see the mouse.
If not and the mouse does not light up, replace the mouse.
You may have had a conflict with the internal and external mouse.

Nov 13, 2009 | HP Pavilion dv9000z Notebook

1 Answer

The usb do not work at all. ibm t42 23731WU many thanks !


If none of the usb ports are recognizing anything you hook up to them then that means the motherboard is bad. Easiest way to know, hook up a usb mouse or usb keyboard, those it should detect and install.

If it can't do that then you know for sure the motherboard is bad. If it does detect the keyboard and mouse then you know its the other devices that your hooking up that are faulty.



Aug 21, 2009 | IBM ThinkPad T42 Notebook

1 Answer

Have an IBM ThinkPad T30 2366 Notebook. Windows boots up. I do the normal Ctrl-Alt-Del and then presented with Windows login screen. My problem is that 1 letter on each row of the keyboard does not work...


Hi there.
Keyboards tend to do this from time to time, and is quite common.
You can use a USB keyboard to access your PC until you have a replacement keyboard for the laptop.
If the USB keyboard is not recognized hit F2 (on start up), enter the bios and set it to defaults, save the changes and exit, the computer will restart and you should be able to use a USB keyboard to access your account.

Good luck and thanks for using FixYa!!

May 14, 2009 | IBM ThinkPad T30 2366 Notebook

1 Answer

Computer does`t recognize psp


try to use another usb connector cable with your psp. It has some lost connection...maybe the data connector is loose. USB has 4 pin(pc side) the voltage supply for power and the data pin..just try.. if it doesnt work...checked if your in admin account because some hardware cant be installed if your not the admin of the pc.

Apr 13, 2009 | IBM ThinkPad R40 2722 Notebook

1 Answer

Pentium III 800 mhz T21 Thinkpad Internet connection problems


why fight it , let it be on com 1 then,
go into the bios and disable the serial ports .
that may be the easiest fix as long as you don't need the serial port for anything.
but if you have a serial mouse oh boy.

May 13, 2008 | IBM ThinkPad T21 Notebook

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