Numark NV freezes

New HP laptop, optimized per Serato instructions
all firmware is current
Operating System: Window 10
Processor Type / Speed: I5/2.40 GHz
Memory (GB): 8
Serato Buffer is set to 10
New cords
After 10-20 min of mixing the screen and all other buttons on the nv freeze. Serato on my laptop continues to operate. This is my third attempt to get a resolution from Numark.
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