arduino mega 2560 laptop device manager

i own a arduino mega 2560 and im having problems with pairing the microcontroller to my laptop i have a lenovo g40 and the device manager is recognizing the board as USB 2.0 Serial and not as arduino im trying to update the device manager software and im choosing the driver folder in the arduino setup but my cp is keep telling me that there were no update founded i cant figure out what the problem is and im really really desperte to finish my project soon i would like to get some help to get my board configured

Does the port appear in the Arduino IDE Tools > Port menu? Have you tried uploading to the mega?