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  • Registered: ‎04-14-2019
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Yoga 720-15IKB (Bestbuy version) battery not working after Bios upgrade

2019-04-14, 20:01 PM

As title says it, I have to keep laptop plugged in. It doesnt run on battery at all. Battery itself aappears to be 100% charged. I ran hardware diagnostics and it didnt show any issues with battery. After some research, I attempted to disconnect CMOS battery but couldnt find it.


Any ideas? Is it possible to get older BIOS version from somewhere?




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Re: Yoga 720-15IKB (Bestbuy version) battery not working after Bios upgrade

2019-05-02, 20:11 PM

Hi Jayceesyou! Welcome to our forums. You can try the older BIOS here: https://lnv.gy/2IXBApU. Before proceeding, kindly read the details of the rollback here: https://lnv.gy/2IXBAWW and disable the secure rollback prevention from BIOS. Hope it helps.

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