Public bug reported:

I have installed Ubuntu 16.04.2on a laptop HP EliteBook 2540p and the fan 
doesn't work. 
It begins to be very hot !
I have installed successfully sensors. 
I have try to configure the fan with pwmconfig and I have got the foolowing 
message : 

pwmconfig: There are no pwm-capable sensor modules installed.

I have add the following in the grub config :
acpi_enforce_resources=lax.

But did'nt success

Description:    Ubuntu 16.04.2 LTS
Release:        16.04

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: xenial

** Attachment added: "dmesg"
   https://bugs.launchpad.net/bugs/1669864/+attachment/4830881/+files/dmesg.log

** Tags added: xenial

** Tags added: elitebook

** Tags removed: elitebook
** Tags added: hp

** Tags removed: hp

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https://bugs.launchpad.net/bugs/1669864

Title:
  fan does'nt work on HP Elitebook Laptop

Status in linux-meta package in Ubuntu:
  New

Bug description:
  
  I have installed Ubuntu 16.04.2on a laptop HP EliteBook 2540p and the fan 
doesn't work. 
  It begins to be very hot !
  I have installed successfully sensors. 
  I have try to configure the fan with pwmconfig and I have got the foolowing 
message : 

  pwmconfig: There are no pwm-capable sensor modules installed.

  I have add the following in the grub config :
  acpi_enforce_resources=lax.

  But did'nt success

  Description:  Ubuntu 16.04.2 LTS
  Release:      16.04

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