HP Probook 4540s - Windows 8.1 - Battery issues - Closing unexpectedly

Hello,
I have a 1 year old HP Probook 4540s that recently has the following problem.
When unplugged the laptop suddenly shuts down even tough the battery shows 29% still remaining.
I receive no notification from Windows or anything, it just shut downs like when the battery reaches 0%.
Then in order to start it again, I need to plug it in.
Is this a known issue ? I previously didn't have any battery problems and running the HP Assistant informs me that the battery is ok and it doesn't need replacemants.
Any idea how to fix this issue ? Basically the laptop is dead at 28%-29% battery life.
Thanks.
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Hello Mythul,
I have read your post on how your notebook is closing unexpectedly when you unplug your power cord, and I would be happy to guide you towards a resolution!
I am sorry, but to get your issue more exposure, I would suggest posting it in the commercial forums, since this is a commercial product. You can do this at:
http://h30499.www3.hp.com/t5/Notebook-HP-ProBook-EliteBook/bd-p/bsc-274
I hope this helps!
Regards
MechPilot
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!

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Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the bottom to say “Thanks” for helping!

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HP Probook 4540s - Windows 8.1 - Battery issues - Closing unexpectedly

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