Taxi4511
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Delay issue on windows performance and bios performance

Hi 

my xps 15 has delay on windows performance and bios performance 

in bios, movement between menu run with delay

in windows, km player runs with stop and play as frequently, on type in browser character appear with dealy 

i install last version of drivers for hardware and reset factory my  laptop but my  problem didn't solve

run dell support-pc checkup and no problem detected

Im really Confuse... plz help me 

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