Thank you friends for your suggestions...
The tricks suggested by Shino Jacob is working.. Now I am getting a
battery life of 2.5 hr
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Midhun M E-mail : mid...@prl.res.in
Junior Research Fellow
midhun@gmail.com
Geosciences Division Phone : +9179-26314270
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On 18 December 2011 12:18, ilug-tvm@googlegroups.com wrote:
Today's Topic Summary
Group: http://groups.google.com/group/ilug-tvm/topics
- Power management in Ubuntu 11.10 #1344fed98cc2e48c_group_thread_0[4
Updates]
Power management in Ubuntu
11.10http://groups.google.com/group/ilug-tvm/t/a159def77bb385
midhun midhun@gmail.com Dec 16 11:50PM -0800
Dear friends,
I am using Ubuntu 11.10 on Lenovo Ideapad Z570 laptop. After
installing Ubunut 11.10 my battary life has been reduced to 2 hours.
(Previously I got around 3 hr battery life, even now I am getting more
than 3 hrs in windows) . Is there anyway to fix this problem?
Syam Krishnan sya...@gmail.com Dec 17 01:59PM +0530
On 12/17/2011 01:20 PM, midhun wrote:
installing Ubunut 11.10 my battary life has been reduced to 2 hours.
(Previously I got around 3 hr battery life, even now I am getting
more
than 3 hrs in windows) . Is there anyway to fix this problem?
Have you tried updating to the latest kernel? There used to be some
Linux kernel regression that caused higher power usage. If I remember
right, it will be fully fixed in a future release only.
Regards,
Syam
JeevZ jeevan...@gmail.com Dec 17 05:42PM +0800
reducing screen brightness would be a good work around
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Shino Jacob shinoja...@gmail.com Dec 18 10:23AM +0530
add pcie_aspm=force i915.i915_enable_rc6=1 to
GRUB_CMDLINE_LINUX_DEFAULT
in /etc/default/grub
then run
sudo updat-grub
restart
you will get your battery life back
but there is a catch, it will affect your graphic capabilities a
little bit.
i didnt try latest kernel, so cant comment on that.
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