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My Acer extensa 4420 can't start anymore.... when I press the power button.... it seems like it starts searching for the hard drive... I have no video.... no sound.... nothing.... and then, it restarts alone. I guess he tries again.... but it shut down after the second try.


Answers :

I think the problem is with the ATI Video drivers. I had the same problem and I went to the ATI site and updated my drivers and the problem has not occurred since. Mine was ATI radeon x1250. Windows Vista Home Premium 32-bit. The graphics card is integrated on the mother board.
It is definitely the cr2032 battery for the CMOS this Extensa 4420-5963 when powered on you could gear the Hard drive spin then it powered down popped off Ram cover reseated powered it back up the time was 2006 . I replaced cr2032 and its all better now 3 days up and down! yeah
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