No wifi option

Hello, I have the dell inspiron 15 3000 series, (Bluetooth+wifi).

my laptop only allows me to connect via cable,

I checked adapters doesn't show anything regarding wireless just Bluetooth adapter and wired adapter,


I checked devices manager and there were others labeled yello! can thus be the issue ??

Network controller,
Pci simple communication controller,
Sm bus controller,
Universal Serial Bus (USB) controller,
USB2.0-CRW,

????
 
Reinstall your wifi driver, dell drivers from dell offical web site.
From another computer, at DELL support, drivers, you os Windows ??
Then install the drivers that are missing.
etc wifi, network, others
 
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