Harsh sound after switching from mains to battery power

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George5555
George5555 Member Posts: 2 New User

Hey guys, i have a harsh sound after switching from mains to battery
power when only in a specific situation: disconect the mains power cable
while in hibernation, coming back from hibernation (on battery power)
the laptop makes a 1 sec. long harsh sound. Can it be the difference in
voltage when switching from mains to battery or something like that? Can
it be damaging for any component?

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