When you have tried everyones suggestions and advice tips, and tricks and everything you can think of yourself and your laptop is still no better or worse off then the last thing i would do before paying money at a computer shop to fix it is format it all and start again with a fresh copy of windows operating system you have or can get hold off a copy that is. Install it all as new and if your laptop is still no better off then its time to give up or get your wallet out! Anwserbank can only give you words of advice not do the job for you! Good luck!