Microsoft Xbox 360 Console "disc cover open accidentally turn" Questions

accidentally lifted it and heard a grinding sound from inside my 360. i gentlly put it down and then shut off the console. i turned it back on and opened the disc tray. my saints row 2 disc had 2 very

disc-spinner. please tell me what to do, and possibly if i will have to take it to the repairshop or whatever. PLEASE HELP! <:'( You are posted in the Big PS2 section, so I hope you got a Big PS2, not

cover of the DVD drive. This fully exposes the laser lens. 8 Dip one cotton swab in rubbing alcohol. Gently rub around the edge of the lens with the swab. Look for any greasy residue that may be there