Is my Hard Drive going bad?

I have a Dell Optiplex 9010 machine running windows 7 Pro with a ATA WDC WD10EALX-759 SCSI 1TB drive. We Use a small piece of software for imaging our computers and the last time it was run I received a bad sector warning which made me go investigate the error. I checked Event Viewer and found a Disk error with Event ID 11: The device, \Device\Harddisk0\DR0, has a bad block. I went to go do a chkdsk and here is the result

The type of the file system is NTFS.
Volume label is OS.

WARNING!  F parameter not specified.
Running CHKDSK in read-only mode.

CHKDSK is verifying files (stage 1 of 3)...
  551936 file records processed.
File verification completed.
  4279 large file records processed.
  0 bad file records processed.
  18174 EA records processed.
  108 reparse records processed.
CHKDSK is verifying indexes (stage 2 of 3)...
  680570 index entries processed.
Index verification completed.
  0 unindexed files scanned.
  0 unindexed files recovered.
CHKDSK is verifying security descriptors (stage 3 of 3)...
  551936 file SDs/SIDs processed.
Security descriptor verification completed.
  64318 data files processed.
CHKDSK is verifying Usn Journal...
  37761768 USN bytes processed.
Usn Journal verification completed.
Windows has checked the file system and found no problems.

 975958015 KB total disk space.
 248342064 KB in 487202 files.
    253600 KB in 64319 indexes.
         0 KB in bad sectors.
    689283 KB in use by the system.
     65536 KB occupied by the log file.
 726673068 KB available on disk.

      4096 bytes in each allocation unit.
 243989503 total allocation units on disk.
 181668267 allocation units available on disk.



No Bad sectors reported, However comparing this chkdsk with another computer running a 1TB Seagate drive it took much longer to complete. Not sure If I am just too paranoid or maybe something is going on with the disk that I am not seeing..

Thanks
ElcorIncAsked:
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Enable SMART in BIOS (Dell doesn't seem to like to use it), then use a tool like HDTune to check SMART status of the drive.  If it reports OK it DOES NOT mean it's ok... but if it reports not ok, then it does mean there's a problem.  (Hard drives are cheap - if you have a concern, replace the drive.  Hard Drives WILL fail... not a question of if, question of WHEN.  Make sure you have any valuable data backed up (ALWAYS!) and consider a RAID 1 mirror if the data/computer is really important.
Benjamin MOREAUProject ManagerCommented:
To be sure, you can download the Western Digital tool to check your hard drive :

Link for your model :
http://support.wdc.com/product/download.asp?modelno=WD10EALX&x=12&y=14

Read SMART information to see if your HD is bad or not.
andreasSystem AdminCommented:
Can you please post the smart values of the drive?
HDatabase AdministratorCommented:
To start with the two drives are not necessarily comparable, since they are different drives from different manufacturers.

Also you mentioned you ran the CHKDSK on a different system.  Even if the two different systems were identical and the drives were identical, the CHKDSK could run longer or shorter than the other system.  There are too many factors involved.  Just to name a few, The IO on one system could be heavily impacted from different processes running on that system. The amount of free space vs used space is different.

Basically I wouldn't worry about CHKDSK taking longer on System A vs System B as an indication that there is something wrong with the drive on system A.

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andreasSystem AdminCommented:
As hollecar said.

But you still shpould check your HDD's smart values, to be sure. There could still be a problem with the HDD, even the runtime differences of checkdisk have valid reasons and not indicating errors in general. But it might be error related.

Smart values should give hints if it is like that (e.g. a high error correction rate, or defective (remapped sectors)).

If smart values also do not show any anomalities you can assume with more confidence that the drive is healthy.
(But even good smart values are not warranting a healthy drive in any case, frequently drives go bad without any hints from smart. But if SMART shows somthing unusual its time to replace your drive.)
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