You have been subscribed to a public bug:
Wi-fi becomes disabled sometimes after the lid on the laptop is shut and
the OS is suspended for a time. Bluetooth is turned off when this
occurs.
The network settings first reports "Wi-Fi is disabled" when the OS is resumed.
If the user then disables and re-enables Networking or Wi-Fi via the menu
option , the status of the Wi-Fi changes to say "Wi-Fi is disabled by hardware
switch".
Toggling the Fn-PrtScr keyboard hardware networking switch has no effect and
does not actually re-enable the Wi-Fi. Running "sudo rfkill unblock wifi" also
has no effect.
The only known workaround is to restart the machine.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-4.2.0-34-generic 4.2.0-34.39~14.04.1
ProcVersionSignature: Ubuntu 4.2.0-34.39~14.04.1-generic 4.2.8-ckt4
Uname: Linux 4.2.0-34-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Apr 6 15:04:21 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2016-03-03 (33 days ago)
InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
SourcePackage: linux-lts-wily
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug trusty
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Wi-Fi Completely Disabled after Lid Shut Suspend on Dell Latitude 3340
https://bugs.launchpad.net/bugs/1567035
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seeded packages, which is subscribed to network-manager in Ubuntu.
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