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rated 0 times [  13] [ 0]  / answers: 1 / hits: 36464  / 1 Year ago, sat, november 12, 2022, 4:46:11

Last year I purchased a Dell Inspiron 5315 laptop shipping with Windows 7 preinstalled. I installed Ubuntu 10.10 alongside it with dual-booting. On upgrading to Ubuntu 11.10, I was upset to find I now get less than one hour of battery life! Windows 7 gives me 2.5 hours of running time.



Is there any possible explanation why my battery is running out faster with Ubuntu? Can anybody tell me better power options?


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There is a reasonably well known kernel issue with power management on PCI Express systems.



Try editing your boot-up grub entry to include pcie_aspm=force to the kernel parameters, and seeing if that improves your power consumption.


[#41078] Monday, November 14, 2022, 1 Year  [reply] [flag answer]
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