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Hi,
I am having a problem with gnome in that when I remove the ac power from my laptop the mouse cursor goes jerky and stutters for a few moments and occasionally there are poping sounds coming from the speakers. This also occurs when I replace the power and if the laptop is idle for a little while when on battery and then used. This problem does not occur under kde, awsome or xfce4, so I am guessing it might be something to do with gnome power manager, but I am really not sure what. This has only started occuring in last month or so. My laptop is a Dell Precision M4300, I am running the latest BIOS, and my system is fully up to date. The problem does not occur if I append acpi=off as a kernel argument, but this is not really an option as I need acpi.
Any help would be much appreciated as I am out of ideas.
Thanks in advance.
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Hi,
I found a sort of answer to my problem. In gnome power management preferences, unticking reduce backlight brightness in the on battery power tab makes the problem go away - no idea why! Not ideal, but it means I can actually use my laptop on battery again - yey!
Hope this helps somebody else.
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Would also like to add that dim display when idle needs to be unset as well to stop the jerky mouse thing happening when the machine is idle.
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