[CTRbootmanager]Rxtools Black Screen

Hi, I'm trying to use menuhax, ctrbootmanager and rxtools to make my 3ds boot into emunand if i turn it on holding the l button

But when I select rxtools on ctrbootmanager, the top screen shows the rxtools logo thingy for a brief second, and then I just get a black screen. Rxtools works fine from the browser. I'm on o3ds 9.2

plz help