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Amazon.com: 01AV423 SB10K97580 Laptop Battery for Lenovo ThinkPad T470 T570 T480 T580 P51S P52S TP25 A475 A485 Series 61 4X50M08810 01AV422 01AV424 01AV452 01AV490 SB10K97579 4X50M08812 01AV427 01AV425 11.4V 24WH : Electronics
![T450s won't boot: mute, mic & Fn buttons on; power LED flashes 3x when AC power connected. Help? : r/thinkpad T450s won't boot: mute, mic & Fn buttons on; power LED flashes 3x when AC power connected. Help? : r/thinkpad](https://preview.redd.it/dbteuseg5zy11.jpg?width=640&crop=smart&auto=webp&s=07a95e2fb783be10a33129b5db3701a02d0edaaf)
T450s won't boot: mute, mic & Fn buttons on; power LED flashes 3x when AC power connected. Help? : r/thinkpad
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