LrC very slow Denoise AI

LrC very slow Denoise AI. Laptop AMD Ryzen 7 and Radeon 7600m. Latest Radeon drivers. I also tried switching to older drivers but it didn’t help with those either. The computer used to perform this Denoise AI process very quickly (about 15 seconds). Less than a month ago apparently some update caused it so that now the same task takes about 15 minutes.

When I go to LrC - preferences - performance Camera Raw. In the settings it is no longer possible to change the <Use Graphics Processor> and <Use GPU for Preview Generation> values. Both values are gray and set to OFF. Earlier, both values could be changed and were, if I remember correctly, set to AUTO.  
Below this it says that  
Graphics processor acceleration is not supported by your system.

What could possibly have caused this (some update?) and what could be a solution to the problem?