The power saving features on the Dell I've been using for a while have been bothering me for a while. Its running Mint 17.1 cinnamon and has always had a few issues with sleep. I tried all sorts of permutations but left on its own the machine always crashed after a while: when going into power saving mode.
I've not totally sorted it: but I have found a parameter to add to the kernel startup which helps quite a bit:
quiet splash acpi_backlight=vendor
You'll probably find using grub customizer the easiest way to test this parameter.
Tuesday, 5 May 2015
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