Cannot switch to internal speaker until plug in/out the headphones in Lenovo X230T

After launching the Ubuntu from complete off, the sound is not coming, the only available output is HDMI. When I hook up the headphones, they work, after I put the out the internal speakers start working.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: pulseaudio 1:8.0-0ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
Uname: Linux 4.4.0-34-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: mastier 4558 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Aug 24 15:01:21 2016
InstallationDate: Installed on 2015-05-20 (461 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
SourcePackage: pulseaudio
UpgradeStatus: Upgraded to xenial on 2016-04-23 (122 days ago)
dmi.bios.date: 04/09/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: GCETA2WW (2.62 )
dmi.board.asset.tag: Not Available
dmi.board.name: 34352NG
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrGCETA2WW(2.62):bd04/09/2015:svnLENOVO:pn34352NG:pvrThinkPadX230Tablet:rvnLENOVO:rn34352NG:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 34352NG
dmi.product.version: ThinkPad X230 Tablet
dmi.sys.vendor: LENOVO
modified.conffile..etc.pulse.default.pa: [modified]
mtime.conffile..etc.pulse.default.pa: 2016-03-29T21:40:13.567498