audio Windows 7 low battery alert does not

Recently by alert audio low battery on my windows 7 laptop stopped working.  After exactly one hour of disconnected use, it goes into hibernation, even if it isn't at the level of the power critical.    Tried to change to warn me earlier to the critical power of level and pause, but did not. Still no sound alert and always goes into hibernation sometimes prior to the critical power level, last time at 28% of power.

Hello

Thanks for posting your query in Microsoft Community.

From your description, I see that audio low battery alert doesn't not work and computer goes to hibernation. I'll be happy to help you.

What is the brand and model of your laptop?

I suggest to follow the steps below and we update on the State of the question.

Method 1: Refer to the suggestions from this link:

How do I change low battery notification.
http://Windows.Microsoft.com/en-us/Windows7/how-do-I-change-the-low-battery-notification

Method 2: Run the troubleshooter of power

Refer to this link:

http://Windows.Microsoft.com/en-in/Windows7/open-the-power-Troubleshooter

Method 3: Use the Powercfg.exe utility to restore the default power mode.

a. click Start, type cmd in the start search box and right click on Cmd and select run as administrator.

b. at the command prompt, type the following command and press ENTER:
powercfg /RestoreDefaultPolicies

If you have additional questions, or if this problem persists, come in and we will be happy to help you.

Tags: Windows

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