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Student
Posts: 1
Member Since: ‎06-10-2016
Message 1 of 1 (260 Views)

probook 4540s power up problem

I have 4540s probook , I am using PS of 19.5 V and 3.34 A , when pluged in one time white blink appears , it dose not boot when I press start also ten times blinking and no action , after a wile blinking changed to amber color ... kindly advise

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