crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

Start up from your system installation disk by inserting the disk and restarting holding down the "C" key.  Go to the second screen pull down menu to Utilities -> Disk Utility.  Select your drive on the left and run repair.  Run again till there are no errors.  Now give it a try.

crwdns2915684:0crwdne2915684:0:

open