Is it a PC laptop? If so, you will need to optimize it for audio recording...Fast processors and lots of ram cannot fix a computer that goes to sleep, or that has an interrupt request that kills the link to a power hungry program like Studio One...You only have so many resources available and if your computer can't keep it's attention on the task at hand it will drop the recording...
The Knowledge base:
http://support.presonus.com/forums
If you haven't check into computer optimization:
http://www.presonus.com/community/Learn/Optimizing-Windows-Vista-and-Windows-7-for-Music-Production
The text above the 'question' field here (however small and innocuous) was put there so that the question's author, (hopefully) provides all the information necessary to provide any kind of meaningful answer to the question.
There is a LOT that can go wrong, The information is here... you have to access it, we can't do it for you. Please start a tech ticket if you cannot find your answer's.