Numark NS7II locking only controls

Good afternoon. I'm from Brazil and I'm using a translator to write. Sorry about that. I have a problem with my Numark NS7II. It is stopping with 30 minutes of use. The audio still exits normally, but the controls no longer respond. I use an HP notebook i3 processor, 8 gigabytes of memory. I have already updated the Firmeware and did all the notebook configuration recommended by numark to improve the performance of the machine. Can anybody help me?
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