hello to whom it may answear my question, i got a virus on my laptop but now i reformatted it some of the icons wont come up, such as my volume when i want to turn it down it wont show up on my screen but it will turn down. and also when i press my wifi butten to turn my internet on tat icon wont come up on my laptop to tell me if it is on or off, but everything works. im just wondering is there any way how i can check my systems if it all working in good order.