First you have to compile frimware with this build option `NKRO_ENABLE` in `Makefile`.
First you have to compile frimware with this build option `NKRO_ENABLE` in **Makefile**.
Try `Magic`**N** command(`LShift+RShift+N` by default) when **NKRO** still doesn't work. You can use this command to toggle between **NKRO** and **6KRO** mode temporarily. In some situations **NKRO** doesn't work you need to switch to **6KRO** mode, in particular when you are in BIOS.