Question about IBM ThinkPad T21 2648 Notebook

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No display Their is a black screen with a little white at the top an a humming coming from the laptop

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If the humming noise is coming from the base of the screen, then it's the inverter and it will need replaced. You can check to see if this is a screen related problem by connecting an external monitor, if everything functions correctly on the external, then it's in the screen area. If you still have a black screen on the external, then the problem is internal, and the humming would indicate a serious problem that may need some professional attention. Try the external and let me know. If it's something other than the screen area, we can try a few other things in order to track down the problem.

Posted on Aug 28, 2008

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