Comment 2 for bug 776999
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| Emil F. (ubuntubugs-morp) wrote Re: Lenovo W520 laptop freezes on ACPI-related actions | #2 |
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Forgot to add... this freeze also occurs when the system is switched from AC to battery power, as well as when it is booted on battery. My wild guess is that this is related to automatic change to the brightness settings. Basically the system is not usable on battery power.