[ubuntu-uk] 14.04 and laptop battery life

[Gordon Burgess-Parker]

On 3 February 2014 14:57, Gordon Burgess-Parker
<gordon at gbpcomputing.co.uk  <https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk>> wrote:
>/  Does anyone know whether 14.04 will fix the very short battery life problem
/>/  on laptops?
/>/
/>/  Example - in 13.10 my Lenovo U410 tells me the battery will only last just
/>/  over 2 hours - Windows 8.1 on the same machine, nearly SIX hours!
/

> As others have said, this is not a generic problem. Most of the
> laptops I've tried last /longer/ on Linux due to lower system load (no
> antivirus etc.)

There does seem to be a problem with Lenovo U410s, the NVidia graphics card being one of them (it uses two different types of graphics display)
The solution to that seems to be to set the BIOS to use only VGA, and that's gained me an hour and a half.

  > Your power management is not working correctly, I would say.

How to I fix the Power Management?

Cheers

Gordon


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