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ThinkPad E440 E540 pre-installed Windows 8 system upgrade BIOS Resolve sleep Wake battery display not charged

Source: Internet
Author: User
Tags sleep
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Failure phenomenon:
 after the machine closed to sleep and then wake up, found the mouse on the AC icon, the lower right corner of the battery status show "connected, not charging" as shown in the following image:


But the actual battery can be charged normally, with a mouse click or wait for 1-2 minutes, again to see the battery status shown normal, as shown in the following figure:


Impact Models:

ThinkPad E440, E540

Impact System:

Microsoft Windows 8
Reason Analysis:
Battery protection design so.
Solution:

This behavior is not related to hardware, Please upgrade the BIOS to version 2.19 to resolve .

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Related Keywords:
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