Question about IBM ThinkPad T43p Notebook

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IBM ThinkPad T43p - when I connect an external 10-key keypad it also activates the num lock on the laptop keyboard making the keys on the right portion of the keyboard go into 10-key mode. Is there a way to keep the laptop keyboard working in "normal" mode so that the letters for those keys will work while the external key pad is connected and the num lock activated from the external key pad?

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  • Tom Saad May 27, 2011

    Thanks...but that didn't work. The Shift key controls the toggle of the num lock key, and when I do as you suggest, using the Shift key it also shuts off the num lock on the external keypad. The 10 key is a generic no name, no box, no instructions.

  • Tom Saad May 27, 2011

    I've read several posts and knowledge bases on this and as far as I can tell there is/was a BIOS update but I can't decide which of the updates it is and how to install it once I find it.

  • Tom Saad May 28, 2011

    Thanks for the suggestion, but I already have that BIOS upgrade installed. I'll have to look for that keypad you mention

  • Tom Saad May 29, 2011

    I think I'm going to just give in and buy the Lenovo one.....but I'm going to call them first and speak to a sales rep....Hope I can get someone that actually knows what I'm talking about. Thanks again for your reply and willingness to help!

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This is the only keypad that is guaranteed by Lenovo to do what you want, no BIOS updates needed
http://www-307.ibm.com/pc/support/site.wss/MIGR-4JTRRF.html
If you want to keep using the no-name one then a BIOS update is mandatory and it's not guaranteed it will work even after it - some generic keypads use software hooks that must automatically trigger the Numlock on the main keyboard to function.
This is the latest available BIOS upgrade
http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-59096

Posted on May 27, 2011

  • Azrael SRL May 28, 2011

    Then the keypad you have is incompatible, either use the recommended one or test several others at an IT shop until you find one that works correctly.

  • Azrael SRL May 29, 2011

    OK. Please don't forget to accept the answer that helped you.

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Hi tis2700,

Hi I see that you are having issue with the numlock key on oyur T43p Thinkpad machine.

You Mentioned that when you connect the 10-Key keypad it also activates the Numlock on your Laptops keyboard.

You never mentioned the external Number key pad Manufacturer, and is there a driver for it inside the box?

I see that the dilema is that when you conenct the 10key keypad it activates the numlock on the keyboard as you mentioned. you can deactivate that function when the 10key keypad is conencted by pressing down the FN key on your Laptop at the same time hold down the numlock key on the Laptop for at least 2 seconds to disable the numlock on the Laptop for the keys to run in normal mode.

But if you have a driver for the External keyboard then you can probably check if it has the option to enable or disable the numlock separately without changing the settings of your Laptop keyboard.

Then again the only way we do it in Lenovo is to press and hold down FN+numlock this always works for all our customer's.

I hope this helps you with your concern.

Thank you for choosing Fixya,

mvincentc

Posted on May 27, 2011

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What options have you tried ??

Number Lock on IBM Laptop Computers b> Laptop computers have the advantage being portable and self-contained, but among their drawbacks is a keyboard without a separate number keypad. While for most applications number keypads are unnecessary, they can be useful for data entry. Laptops sometimes provide a number keypad by giving certain keys double duty, allowing them to enter numbers rather than letters when a "Number Lock" setting is turned on. Number Lock, however, can get turned on accidentally, or enabled by an operating system by default, which can really mess up your typing. If typing "M" ends up displaying a "0" on your screen, Number Lock is probably the problem.

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Start, click Run, and type regedit to open the Windows registry editor. In the registry, open the below folders.

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Examine your keyboard to ensure your "Number Lock" key is not activated.

This activation is indicated by the key being lit up.


If the key is activated, press it to deactivate the lock.

The number lock key will deactivate an entire segment of your keyboard


Start, click Run, and type regedit to open the Windows registry editor.

In the registry, open the below folders.

HKEY_CURRENT_USER\
Control Panel\
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Within the keyboard folder, you should have a string value named "InitialKeyboardIndicators" with a value of 0, 1, or 2. Below is the explanation of each of these values.

0 = Num Lock is turned OFF after the logon.
1 = Disable Num Lock.
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I think you have to be more specific for the solution of this.. I actually had the same problem and solution #2 missed something or is misguided the way it is.
Here's what's missing: * In order to get to numlock you have to press the shift key on the ScrLk key. i.e. ScrLk activates the scroll lock, and SHIFT+ ScrLk activates and deactivates the num lock.
that helped me, finally I am able to type this message :-)

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