Toshiba Satellite : Hibernate Problem

[laknabu]

after hibernate, my laptop (Toshiba Satellite A35-S159) can not back to ON, LCD screen blank but all LED indicator is good. i had check the hard disk is good, if i removed the hard disk, computer start normally in DOS mode, booting from floppy disk.
i had try install new BIOS and screen out to monitor, it doesn't work too.

any one experience with this problem ?

thanks in advance,
San