I started with a standard US keyboard layout in Ukelele and pressed to show the keypad-within-the-macbook-keyboard keys double-clicked the 'clear' key (in place of '6' on the QWERTY keyboard) and deleted the character code in the resulting pop-up. I created a keyboard layout that re-maps 'clear' to give no input. I don't know why this double input occurs, but I have fixed the issue, at least for Excel. 'Opening the Keyboard viewer (from the input menu in the menubar set this up via System Preferences->International->Input Menu) and pressing the affected keys on the keypad shows the problem depressing '7' shows keypad 7 pressed, and releasing it shows 'clear' (top left of the keypad) pressed. I actually have the exact same external USB keypad as you do (Compaq CPK19NKP) and the 'hold the Num Lock' trick didn't work for me - but the trick at the Mac OS X Hints forums ( I am using a compaq numeric keypad, Model: CPQ19nkp, and It does not have num lock ligth, just the key. Well, I tried what you said, but It did not work. The Num Lock LED will remain on during this procedure and you hopefully will find that all keys function normally as marked in or out of Num Lock mode. To correct this, press the Num Lock key ON THE EXTERNAL KEYPAD and while holding it down, press a number key. You may notice that when in Excel, a number will appear momentarily, but not register. Follow these steps if you are currently at this initial newly found keyboard dialog box as well. If you have already gone through this step or closed out the dialog box accidently, you can find it in Apple>System Preferences>Keyboard & Mouse>Keyboard>(hit any key)>. The 'press the key to the right of the fn key' instruction will not work since there is no fn key on the external

When you first plug it in, the MBP will recognize a

I added an external silver numeric Targus USB keypad (Model: PAUK10U Item: 10 from Office Depot) and initially had a problem with the MBPro recognizing it.

I have a MacBook Pro purchased December 2007 which still has the embedded numeric keypad and 'num lock' on F6.

How to install numeric keypad on mac