I lost my windows vista boot up screen, after upgrade my Compaq Presario notebook from windows xp to vista. Though along with this I did not make any change in my machine hardware or software, only upgrade the audio interface with an updated high definition driver firmware. The problem starts occurring from last two days, when I was first opened my system. There is no boot up screen in my system, after appear the manufacturer logo it turns off automatically. I tried many tricks but nothing help me anymore. Is there any one having any solution for this problem?
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