The solution to this problem is usually to use i8kutils. I think you would try this solution and post here the results. After that, if the problem remains, a bug report would ask for fixing i8k to support Dell Inspiron 5521.
i8kutils solved this same problem in my Dell Inspiron 15R SE-4670.
The solution to this problem is usually to use i8kutils. I think you would try this solution and post here the results. After that, if the problem remains, a bug report would ask for fixing i8k to support Dell Inspiron 5521.
i8kutils solved this same problem in my Dell Inspiron 15R SE-4670.