Try starting in Safe Mode. If that works, it is likely a video driver 
problem. Uninstall and reinstall the video driver via the Device Manager.

Tom Mayer

laurence de richemont wrote:
> i was away for a week and forgot to turn my pc off (pcv-rs602) and 
> now, on
> booting,  the monitor switches on and the vaio logo appears followed 
> by the
> windows logo, but then the screen goes blank - or perhaps a dark blue 
> -  and
> i hear the sound of windows coming on as if the desktop were 
> appearing, but
> nothing shows on the screen.
> any ideas as to what may be the problem and what i can do to solve it 
> since
> i can't see anything o n the screen?
> thanks,
> laurence grignolo
>
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