Battery not charging over 76%, only does if the laptop is shutdown (Dell 5421)

R

Rafael Ilha

It's an old dell laptop (around 2010) but everything is working properly (Windows 10). Except the battery charging now. AC adapter is fine, the original battery died then i bought a new one which stucks at 76%, the seller even sent me a new one which has the same response.- I tried disabling the battery drivers and enabling them again - didn't work;- I tried dell power manager, quickset, desktop mode battery charge enabling - didn't work- Around the internet people tried to downgrade the bios to an older version, on the Dell website, there was only one BIOS version for my laptop and it said mi

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