My battery was initially charging to 100%, after a few months only to about 50%. last week back to 100%, now 2%.
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Kay Tate it has neither a reset nor a battery off button. this could be coming from your battery. These are “smart batteries “ that are actually doing some “communicating” with the logic board (very simplified). I suggest you start with a new battery.
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So suggestions online like: Uninstall 'Microsoft ACPI-Compliant Control Method Battery in Device Manager -->then power off, unplug power, remove battery, hold power button 30 seconds, insert battery, plug in, turn on won't work? Or in Sony Diagnostics--> VAIO Care-->System Care--> Troubleshooting--> Diagnostics? Is it alright to buy batteries from 3rd party options? I saw Dr. Battery’s Advanced Pro Series recommended--promises 800 recharge cycles, 2-yr. warranty, $88 and up. And thank you for such a quick response!
Kay Tate yes it is okay to do so and your steps sound right.
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