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mead5346
What's DOS?
Posts: 1
Registered: ‎07-18-2018
Location: US
Views: 598
Message 1 of 1

Thinkpad x1 Carbon 4th gen 20fb battery/performance issues

Hello, hoping someone recognzies these symptoms and can suggest a wise course of action.  During this past weekend, I used Lenovo Update to install latest updates, didn't do much else with the computer that day.  After leaving overnight there were issues.

>  The power button LED flashes at about 2hz whenever the power cable is plugged in.  The orange LED by the power cable will also flash, but not at the same rate (flashed on for about 100ms once every 2s)

>  Windows does not indicate that power is plugged in.

>  Runs normally with battery unplugged and power plugged in (windows shows battery not present)

>  Tried 3 different power cables, tried resetting with battery and coin cell battery removed.

>  Battery voltage is 14.3 volts

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