HOBALL 筆記簿

March 3, 2014

Linux shutdown battery draining problem solved

Filed under: Uncategorized — hoball @ 10:53 pm

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My HP laptop always has a shutdown problem. This problem affected the hibernation. That is, after I shutdown in Linux, my laptop battery will keep draining, and the battery is still warm after shutting down.

To solve this problem untechnically, there are two ways. Never shutdown, but restart. Because I have dual boot, there is a grub menu when startup the computer. So, during the grub menu, press the power button, this will shutdown the computer without battery draining.

However, sometimes the shutdown is accidentally selected. In this case, even boot into Windows and shutdown does not solve the problem. To solve this problem, when the laptop is shutdown, make sure the AC adapter is unplugged. Then, remove the battery and place it back. Then the battery will not drain.

This problem can be significantly noticed with a USB cooler. Because if the cooler is plugged in…

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