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Re: My model Num. is TUW - 70
It indicate there is a live ac leakage on the chassis.it is very dangerous if you don't have any electric knowledge.don't touch it again.switch off the main supply and contact the service technician for help.
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It depends on notebook model. There is a key on keyboard which allow you to turn num lock on or off. Sometimes "Num Lock" or "Num LK" has blue, red or other color. In this case PRESS "Fn" KEY FIRST, HOLD IT AND THEN PRESS "Num Lock" KEY. For detail instructions write your laptop model.
Hi. I would suggest pressing the Num Lock key and see if it goes off, press and hold Function(Fn) button and hit the Num Lock key or press and hold the shift key and press the Num Lock key. Hope This Helps