Hello, I always have problems with my laptop, this time is a lot of messages while running on battery : Jun 20 14:29:51 Melon kernel: ACPI Error (uteval-0318): Method execution failed [\_SB_.BAT0._UID] (Node 0xffffff0001537760), AE_AML_NO_OPERAND There is a lot of these message in /var/log/messages, but I can't see any troubles with my battery. -- Demelier David