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‎02-02-2013 08:28 AM - edited ‎02-02-2013 09:51 AM

HP Recommended

Hi all. I have a question. How can i downgrade my bios from version F.21 to a lower version, because this version destroid my battery. The laptop is HP PROBOOK 4525S. Please help me. Sorry for my english. Tank you all.

 

 

I made a new test and you will see some change. Battery is original brand new. After 30 min running on battery. How it's possible?

 

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Aida64 info.JPGHp battery.JPG

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