I just installed sx pro but I have a problem(black screen)

[lutein]

I just installed sx os , auto rcm and I have to activate liscense but my Nintedo does not boot(Freezing, black screen) and It does not turn on....
right now I`m stucked at page 5(In manual)

I can`t go to activate liscense screen....

My switch version is 9.0.1
Installed 2.9.4 Beta
Micro sd card formmatted EXFAT( 256GB)

I purchased mine on 2018. feb. 1

please help me.