That You Turn Me On And Leave My Wii Wont Play Any Games. Ill Turn It On And If I Leave It Alone For Like 2 Minuts It Goes To A Black Screen?

My wii wont play any games. ill turn it on and if i leave it alone for like 2 minuts it goes to a black screen? - that you turn me on and leave

who said: "An error has occurred. Press the eject button and remove the CD, then turn the Wii console and you will see the Wii Operations Manual for troubleshooting. I did and said to call, but it closed. any advice on how I can fix myself?