Solve : harddrive works fine-screen goes dark unexpectedly..and normal

1.	Solve : harddrive works fine-screen goes dark unexpectedly..and normal again?
Answer» this happens a lot. It goes into power saving mode. And then it stars again. What could it be?Need...more...info...gasp OPERATING system / antivirus & antispyware protection / service packs installed / when did it start HAPPENING / did it ever work RIGHT / installed any new software? ALAN <&GT;<

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