Thanks John, I already discarded it and replaced it with 2 Toshiba 640 G portable drives. I got them at Costco for $69 each. I've copied my data to both of them and only plan to connect them when I run SyncToy to backup my data. I appreciate your help. Joe -------------------------------------------------- From: "John Sproule" <[log in to unmask]> Sent: Tuesday, May 18, 2010 1:37 PM To: <[log in to unmask]> Subject: Re: [PCBUILD] Cyclical Redundancy Check Errors external hard drive > Joe, > > I can't argue with your plan to just go ahead and replace the drive. > However, if you have the time, you might try the write zeros to the drive > utility and then re-run the diagnostic on it. It's possible that the > problems are just at the file or configuration level and not the hardware > itself. If it is a hardware problem, it may not even be able to overwrite > the whole drive with zeros. Unfortunately, on a large USB drive, these > tasks can take many hours. Maybe run it overnight. > > John > > ------Original Message Below------- > > Date: Sat, 15 May 2010 11:01:03 -0400 > From: Joe Trimarchi <[log in to unmask]> > Subject: Re: Cyclical Redundancy Check Errors external hard drive > > Thanks John. > > The drive did come with WD Diagnostic software and I ran it. It reported > too > many bad sectors after running for about an hour so I guess I'll just be > safe and replace the drive. > > Joe > > PCBUILD's List Owners: > Bob Wright<[log in to unmask]> > Mark Rode<[log in to unmask]> PCBUILD's List Owners: Bob Wright<[log in to unmask]> Mark Rode<[log in to unmask]>