Previously it showed Blue Screen every time I boot my Y460; few seconds after the Window Logo. No matter how many times I reformate, it still showing Blue Screen, indicating STOP 0x00000116 and atikmpag.sys error. Subsequently, I went into the BIOS and changed the settings on the graphics switchable to discrete graphics. However its getting worst now because there is no display (totally black with no background light) every time I on my y460. Hence I need assistance and solutions, thanks.
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