Hi i have upgrading to win 10 on the first day itself in my inspiron 15 7537 model and everything went smooth, but then after using it for three days i have noticed hug dip in battery time , usually it used to be around 6-7hrs of normal usage in win 8.1 but in win 10 it was around 3hrs or less than that , Initially i thought may be windows 10 is downloading drivers in the background but even after 20days of usage there was no improvement so i restored back to win 8.1 (battery backup is fine in win 8.1) .Even my friends who upgraded to win 10 has this problem. Is all dell laptops facing this problem ? If so i hope dell support staff fix this problem
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