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a b U Graphics card
a b D Laptop
November 18, 2010 7:32:46 AM

hi sir i have acer aspire 4520 laptop for past few days when i turn on my laptop the power wil on but displa will black (it will not be going to on , just dead screan ) but remaining all the process is ok . but in some time some times it will work and after few hours the display will become freeze so wht the problem behind this can any one help regarding this matter
thanking you.

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