i have the liteon 74850 and when i go to read the key using the probe. and the usb connecting. the drive is showing up but when i probe the board going to the second point on the drive it should light my probe to green but it does nothing. but when i touch the point beside it it turn the probe green so i try it and hit intro and it said bad port after the one second. normally the probe turn green on the second point on the dvd drive but nothing happen whats going on with my drive please.
