MacBook Pro horrific grinding noise?
hi, have macbook pro running on os x 10.6.8. (not sure whether that's relevant) (about 2 days ago) on mac, when made horrid sound, way can describe chainsaw or lawnmower within mac, on right side. me, sounded either fan or disk drive. did have disk in @ time ejected disk, noise continued , disk came out fine. manually shut computer down. in 5 minutes making noise, computer continued run fine though making horrid noise??? noise stopped after shut down computer... decided leave , see if did again, , evening using 2/3 hours without doing once again? searched on internet problem, , had saw videos people had uploaded of doing it. people said after few months of happening mac died. not want happen... anyway, since have re-opened mac twice , loaded up/ took off of sleep , has made strange noise both times, sounds coming disk drive? makes usual disk noise when starting up, makes kind of quiet/ medium sounding grinding noise? stops after 20 seconds. ma...