i cant connect to wifi than i found that my driver(dell wireless 1707 802..11b/g/n)  is not connected to the computer. (Code 45). so i was update driver(Network_Driver_709FW_WN32_10.0.0.341_A03_01) but its failed. i dont know why.

my os is windows 10 64 bit

my laptop is inspiron 14 7447.