Keypad on two different types of keyboards not working
Had a tech woking on PC some time ago. Keypad didn't work, just used keys at top of keyboard. Tech suggested to replace keyboard due to low cost. Finally got around to replacing keyboard with a wireless keyboard. Keypad still doesn't work! Have checked numlock key (light does work) and reinstalling drivers.
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It sounds like a key gets stuck on your keyboard, which keeps sending signals to your computer; especially as it seems fine using an external keyboard. When the laptop is off, try typing on each key a number of times, especially the 'suspect' ones, m and 0 (?)
Have you spilt Coke or coffee on it at any time??
From Dell user manual: The numeric keypad functions like the numeric keypad on an external
keyboard. Each key on the keypad has multiple functions. The keypad
numbers and symbols are marked in blue on the right of the keypad keys.
To type a number or symbol, press <Fn> and the desired key after
enabling the keypad.
To enable the keypad, press <Num Lk>. The
light indicates that the keypad is active.
The kkkkkkkk problem will be a sticky key, possibly something jamming the contact under the key.
The p* problem is your numlock is on. Laptop keyboards don't have numeric keypads like dsktops do, so when you press numlock on, it uses part of the keyboard to emulate a keypad.
You will probably have to press something like shift+numlock or ctrl+numlock or FN+numlock to release it. There should also be a light at the top of the laptop to indicate it's in numlock mode.
The Numeral Lock mode is turned on by pressing the key named "NUM LOCK" which is usually located on the top of the number keypad (on far right side of keyboard).
However, laptop keyboards are different. Most laptops do not have a separate numeral keypad set. Those laptops usually use a blue (or other color-coded) "Fn" key, on the bottom left. You must press that Fn key at the same time as the "Num Lock" key of same colr. Then a light comes on to indicate the mode change, and some alpha-numeric keys on the keyboard now become your numeral keypad. On mine, it is 789, UIO (456), JKL (123) and M (which is zero).
If this is too confusing, you can plug in a cheap full size desktop keyboard, using the USB or PS2 port on your laptop. That is what I prefer, because the funky integrated dual-key deal interferes with all the touch-typing I learned 37 years ago.