Asus GTX1080 Founders Edition GPU-Z Cuda problem

Hello. :) i have two Asus GTX1080 Founders Edition in sli…

Sinds the last windows 10 april update and gpu-z 2.9.0 update my second card haves issues. but my second card works good to, only thing is since the w10 april update and gpu-z update my second card dont show the cuda… and the nvidia geforce driver, the last one 397.31 is gpu-z reading as digital signature: Beta.
And in ddu at safe mode, is reading the second card vbios:no info.

i hope you can help me with this problem!