Keyboard .. Type one key at a time. Are you stubborn? Is it sticky? Are you tired? Are you free? You will know. Touch the TouchPad. Stumbling? Does the whole thing work? Are the buttons good? Keyboard and mouse; If you want to check if TouchPad software is good or bad, send a message from Messenger and download the key test. Play as wide as a song. Do you have a clear voice? Is it crackling? Toe Na? Try Webcam Is it clear? Look at the screen Look at the frames. Are you chewing? Is it white? Do you think there are stripes? Are the lines running?