Please Help.Laptop ac power up problem.

  macbob 15:22 28 Apr 2006

Hi all, when I power up my laptop ( Fujitsu-Siemens Amilo D7830 )from the mains adapter, it seems to go straight into hibernation mode i.e., the fans come on lightly, it emits a single beep, the fans go off and the screen stays blank.
The only way I can get full boot up, is from battery power and once I've done that, I can then can plug in the mains adapter and the laptop switches over to mains power no problem.
I've tried boot up with battery removed and reseated the memory.

  Fruit Bat /\0/\ 15:54 28 Apr 2006

Check power savings options in both BIOS and windows

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