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Advent 5421 wont power up,iv bought new power adaptor and its the same.,the orange battry light stays illuminated and thats it,iv tried it with the battry out and power adaptor in but nothing,its only 2 weeks out of guarantee so not old


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When i turn my laptop on the advent logo comes on and the bar at the bottom goes up 3 quaters but then stops and thats it. the screen freezers.
 please cheek the power specifications in the new power adapter if it complies, if it does contact me for more tips. cheers 
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