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When I plug in the power supply a white LED light comes on on the power and cap lock keys then goes out again and comes back on after almost 30 seconds and goes out again, the machine does not start at all 

another LED light next to the machine, the one in the form of a button, turns on, then the one in the form of lightning flashes intermittently between red (4 times) and white (5 times) then the two lights go out. What could be the problem please?

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