Now wireless network is being shown

[Abdul Muhaimin Rahman]

New Laptop, Lenovo 310 15ISK . Installed Ubuntu 14.04 , but it doesnt show any wireless network

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-4.4.0-31-generic 4.4.0-31.50~14.04.1 [modified: boot/vmlinuz-4.4.0-31-generic]
ProcVersionSignature: Ubuntu 4.4.0-31.50~14.04.1-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.23
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Mar 16 11:12:16 2017
InstallationDate: Installed on 2017-03-16 (0 days ago)
InstallationMedia: Ubuntu 14.04.5 LTS "Trusty Tahr" - Release amd64 (20160803)
SourcePackage: linux-lts-xenial
UpgradeStatus: No upgrade log present (probably fresh install)