I found a solution at this link
http://askubuntu.com/questions/276493/keyboard-not-working-on-lg-laptop
"I found a working solution to the problem.
You need to edit the file /etc/default/grub
$ sudo gedit /etc/default/grub
Go to the line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" and edit it
to:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i8042.nopnp=1
i8042.dumbkbd=1"
Update grub
$ sudo update-grub
Reboot your computer."
The keyboard is now normally working.
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1338555
Title:
Keyboard completely unresponsive
Status in “xorg” package in Ubuntu:
New
Bug description:
Trying the USB live session of 14.04 i-386 on my laptop but the
keyboard isn't responding. I'm filing this bug against xorg as stated
in the 'DebuggingKeyboardDetection' wiki page. I plugged in a USB
keyboard in order to be able to file this report.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic i686
.tmp.unity.support.test.0:
ApportVersion: 2.14.1-0ubuntu3
Architecture: i386
CasperVersion: 1.340
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Mon Jul 7 12:03:56 2014
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] RV530/M56-P [Mobility Radeon X1600]
[1002:71c5] (prog-if 00 [VGA controller])
Subsystem: LG Electronics, Inc. Device [1854:0068]
LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
MachineType: LG Electronics S1-M401E1
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: noprompt cdrom-detect/try-usb=true persistent
file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet
splash -- maybe-ubiquity
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/16/2006
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: RKYWSF0B
dmi.board.name: ROCKY
dmi.board.vendor: LG Electronics
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LG Electronics
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnPhoenixTechnologiesLTD:bvrRKYWSF0B:bd02/16/2006:svnLGElectronics:pnS1-M401E1:pvrNotApplicable:rvnLGElectronics:rnROCKY:rvrNotApplicable:cvnLGElectronics:ct10:cvrN/A:
dmi.product.name: S1-M401E1
dmi.product.version: Not Applicable
dmi.sys.vendor: LG Electronics
version.compiz: compiz 1:0.9.11+14.04.20140409-0ubuntu1
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu5
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu5
version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.10-1ubuntu2
xserver.bootTime: Mon Jul 7 14:49:14 2014
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.15.1-0ubuntu2
xserver.video_driver: radeon
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