how can i exactly locating the physical bad sector

[Jebrel]

how can i exactly locating the *physical* **bad sector** ?
_&_ what's best way to locate it ?
_&_ and kindly provide me the best program for detecting if the **hard-disk**
has *bad sectors* or not ?
i have tried with this program "Hard Disk Sentinel" but i think it's not work
waiting for your kindly answers
Regards
Jebrel

 

[R_1]

western digital has a tool for thier drives you can get at wdc.com
seagate has seatools you can use to test their drives. google seatools
IBM/Hitachi have a tool for testing thier drives. google hitachi drive fitness

 

[4745454b]

Why do you think it doesn't work?

Any of those programs should be able to find it and mark it so it doesn't get used. But once your drive is showing bad sectors it's time to replace it.