|... seems strange to me as to why its flashing unless it always flashed in the past when you turn it on.|
... I know of cases were the laptop showed the same symptoms when it went into hibernation mode when the battery started to fail.
... which was sorted after the #1 trick then booted up from a cd after typing some commands
... also try tapping <ESC> <F1> <F2> <DELete> <F10> <keys> one at a time when you turn it on, thats one <key> at each try.
... do you have any bootable cd's?
... Posting is provided "AS IS" with no warranties