computer question!!

what is age of pc? possible power issue (power supply,
mb power mgmt). possible lost sector of hd including
necessary boot info; solution: reinstall OS (run
chkdsk/scandisk option)
>-----Original Message-----
>Please can somebody help, when I switch my computer on
>It boots up ok. Then just before it gets to desktop it
>restarts
>for some reason. Can somebody tell me how to stop this
>problem?
>Thanks ja....
>
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