Hi buqja85,
Welcome to PCHF.
You can't actually fix bad sectors on a disk, as these are physical problems with the drive itself. Bad sectors usually indicate the disk has been hit, overheating, or could be failing. What disk utilities normally do with bad sectors it to mark that particular area as bad, so that no data is ever written to that area of the disk.
After formatting, you can run a scan on the disk. If you have the disk as a secondary drive on a working Windows XP machine, go to My Computer, right click on the disk with the bad sectors, Properties, Tools tab, and click on Check Now under "Error Checking". Tick "Automatically fix file system errors" and "Scan for and attempt recovery of bad sectors".
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