How to disable the number key on a letter key UIOPJKLM?

Please disable the numlock and check the keyboard.
If still probem with the existing keyboard, you can use the external mini keyboard.

why not try to clean it with a vacum..and be sure to do it on a low suction level of the vacum

Make sure you press and hold these keys till it changes. Number Lock+Fn+Delete and it should turn it off.

From
d-ruffles , FixYa

I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_8b8c2cd6ce148309

Try holding the Ctrl and Fn key down together and then press the Ins(Num LK) key. This should revert the keys back as normal.

You have Number Lock set on your PC - Have a look for a key top right hand side, it will have something like NumLck written on the KEY - you may need to use that Key in combination with the FN key - bottom left of keyboard - there should be a light somewhere on the keyboard which goes on/off as you toggle the NumLck key. You should see different coloured numbers on the key s*()UIOPJKLM These are the numbers and symbols that will be displayed when the NumLock is used

numlock seems to be the answer
press once on the numlock key to release

advice from another site
"Make sure the NumLock is off. Hold Fn and then press the key that says NumLk or NumLock in blue"

Try the link . . . www.laptop-problem-solution.com

For find your best solution.

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You have enabled NUMLOCK
Look for some text marked NUMLOCK in a colour similar to the fn key and hold fn then pres numlock.  SHould be fine after that.

1. Open the on screen keyboard by going to "control panel" then "Ease of Access Center" then click on "onscreen keyboard".

2. click and hold down the "Fn" key on the physical keyboard and then hit F11 on the onscreen Keyboard.

3. All Fixed. Spread the word.

Switch NumLk off

Usually this is done by pressing Fn & F11 keys together

Or just look for the key that has NumLk on it and press it together with Fn