I am using Acer Aspire 5740G laptop from last three months. Recently i am facing a problem in my laptop. It take lot of time to boot and after that display the error message "system file corrupted" on my laptop screen. It also won't charge properly. It take too much time to charge. What i have to do to solve this problem. If there is a someone who know more about it then pleas reply me as soon as possible.