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Posts: 3
Registered: ‎05-09-2015
Location: Ireland
Views: 121
Message 1 of 1

T420 Windows 7 Fails to power up without mains power supply


I have tried two batteries.

Checking the Battery  Icon on Thinkpad it  reports 88% Charging

Sometimes it fails to boot up then I have to remove battery and press power button while applying the mains adaptor.

Any suggestions

Thank You


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