I never seem to have luck with overclocking.
When I try the auto setting I have to use GPU-Z to see what is going on because the built in performance monitoring don’t work either.
With Auto Overclock GPU on I can see the GPU speed go to like 17-18k and then crash the PC.
Search the forums. There is tons of advice on this. If you want specific advice in this thread please supply the following information:
When posting a new question, please provide as much detail as possible describing your issue making sure to include the relevant hardware and software configuration.