No installed network controller driver

Dear Experts,
I have recently installed windows 8.1 on my Dell Inspiron 14 (3421), but now I don't see any wifi networks on my network list. Simply, there is are no wifi now. But, I can connect to the internet via an Ethernet cable. Previously, I was using 32 bit Win 8 and everything was fine. I checked the Device Manager and found that in the other devices section, "Nework Controller" and USB 2.0 - CRW' have yellow exclamation point and no driver installed. I tried to install driver for network controller, but none of them were relevant. I tried updating the properties of the network controller driver, but windows cannot find any. Please please please help me in suggesting what should I do? or what is the driver for my network controller?

Details of my laptop:
Dell Inspiron 14 (3421)
Intel Core i3-3217U @ 1.80 Ghz
8.1 Windows, 64 bit OS installed

Network controller hardware ID:

PCI\VEN_168C & DEV_0036 & SUBSYS_020C1028 & REV_01
PCI\VEN_168C & DEV_0036 & SUBSYS_020C1028
PCI\VEN_168C & DEV_0036 & CC_028000
PCI\VEN_168C & DEV_0036 & CC_0280

If all the above soecifications are same "1705 WiFi + Bluetooth Dell Wireless" driver is the correct driver for solve the problem mentioned.
Download on: www.dell.com/.../DriversDetails; Starts = 3289201814 & WB64A = osCode & productCode = inspiron-14-3421 & languageCode = EN & categoryId = NOR

Tags: Dell Products

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