Hibernate

[ratarsedagain]

I use Wnidows ME on my laptop, and used to be able to put it into Hibernate to enable a more rapid restart. However, had a few occasions where it wouldn't hibernate properly, and then wouldn't do it at all, and laptop had to be switched off using on/off switch (not ideal i know). I disabled hibernate after being giving the option after a reboot. Any ideas why it had the problems, and how can I reintroduce Hibernate mode??

Any help appreciated.