i have install ubuntu 14.04 on my hp pavilion laptop initially when i was using windows 8.1 my battery use to be 2.30 hours to 3.00 hours but when i installed ubuntu 14.04 it started draining very fast and now its work for 1.30 hours only when my battery is fully charged ? what is the reason ? and also my wifi signal strength has reduced from 5 point to 2 points? what might be the problem ? am i using incorrect drivers? if so then please send me the link of the driver which i must used ?
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What is the video adapter? – Pilot6 Nov 17 '15 at 15:35
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For wi-fi have a look here:http://unix.stackexchange.com/questions/100590/why-does-linux-based-laptops-have-weak-wifi-signal-in-comparison-to-windows-base – Muzaffar Nov 17 '15 at 15:39
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@Pilot6 NVIDIA GeForce GT 840M – sagar patel Nov 17 '15 at 15:44
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Did you install drivers for it? – Pilot6 Nov 17 '15 at 15:46
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Power Management is not very efficient in Ubuntu by default. To get maximum performance, it is recommended to use third-party softwares. One of the best and highly configurable available software amongst them is TLP.
To install TLP, type:
sudo add-apt-repository ppa:linrunner/tlp
sudo apt-get update
sudo apt-get install tlp
For more info visit the TLP website.
Raphael
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