PCI/internal sound card not detected

[RUBEN DARIO]

HP x2 210 detachable, i can't found the sound card, so i don't have sound.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base (not installed)
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Sep 10 15:04:54 2016
InstallationDate: Installed on 2016-09-10 (0 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
ProcEnviron:
 LANGUAGE=es_MX:es
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=es_MX.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Title: PCI/internal sound card not detected
UpgradeStatus: No upgrade log present (probably fresh install)