Vista reboots when putting Laptopo into sleep mode

RAJJ

New Member
Please help,

I have a HP NC6400 laptop at work,

Everytime you put it into sleep mode it reboots

Ive tried checking the power options as so may sites refer to them but i have no hibernate option

network cable unplugged same thing just reboots after screen going blank and showing some HDD activity

Please help :sa:
 

My Computer

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