USB keyboard, unaffected by settings, repeating keys when held together Key Repeat and Delay Until Repeat settings work fine and are immediately applied for the MacBook keyboard in TextEdit, but have no effect on the USB keyboard - even after reboot.

If I hold hi, the result is hhi via the USB keyboard. Further, if I hold hit, the result is hhihit.

Another example, if I hold ca, the result is cac via the USB keyboard. Further, if I hold cat, the result is cactac. So different keys seems to give different behavior.

Any idea how to disable the repeating letters upon holding on the USB keyboard? Since it makes it difficult to type quickly. Also a bonus would be to have the keyboard settings applied to the USB keyboard.


TeckNet Kraken LED Illuminated Gaming Keyboard
macOS Sierra 10.12.3
MacbBook Pro (15-inch, Early 2011)
Thank you to @tom-gewecke's suggestion! Trying a different keyboard worked, functioning normally without this issue.

So it seems to be a compatibility issue between the aforementioned keyboard and OS, possibly other versions of both.