Question about IBM ThinkPad 770 Notebook

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Screen blanks sporadically

Good has become sporadic with the display. Relaced circuit board and backlight, to no effect. Is this a motherboard issue or do you know?

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  • Rodd Nov 30, 2007

    Your information is both accurate and unwelcome. I just replaced the screen and the problem persists, which means I was sold a bad screen by an unscrupulous jerk. I already know the bit about plugging in to an external monitor, that is how I determined the initial screen replacement. I was hoping against hope that there was some other detail I had overlooked . . . but I already did the circuit board(not the motherboard). ok?

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This could be a video issue or a screen issue. To determine which one try to plug it up to an external monitor. If it does not black out on the monitor then it is the screen. If it blacks out on the monitor then it is the video component of the motherboard. In that case you would most like replace the motherboard.

Hope this helps!

Posted on Nov 27, 2007

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Hope this helps!!

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