Sorry for this necropost, but it may still be helpful.

Are you getting numbers and “functions” such as addition, subtraction, multiplication and division where you are expecting u, i, o, j, k, l etc?

If so your keyboard is fine and you have invoked the virtual ten-key numberpad.

See my help here:…[Read more]

If you take a good look at this photo from the official Teclast F5 page (http://www.teclast.com/en/zt/nb/F5/images/F5_zt_11.jpg):

you can see the “6” in smaller size on the “O” key.

I’d say my first “solution” is definitely the correct one.

The Del key is also marked “numlock”  <span style=”text-decoration: underline;”>Try pressing…[Read more]

Hi Tara:

Assuming the hardware did not somehow break (fairly unlikely from just plugging in an external keyboard), perhaps the keyboard “map” got changed somehow.

The most likely situation is that you invoked the number pad “overlay” on your laptop keyboard.  Many laptops have a virtual “number pad” often approximately where the “u, i, o, j, k,…[Read more]