Should I replace my HDD(its in warranty)??

Krtkay

Reputable
Sep 11, 2016
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4,510
hello
a month back my PSU got damaged which caused(I think) the hard drive problem. whenever I boot up its gives error "a problem with the hard disk has been detected..." but then boots normally and I can access my data without a problem.but for precaution I backed up all my data and ignored the error.but my pc got so slow,it started lagging,taking time in buffering.I scanned for malware but everything was fine so decided to install OS again but couldn't because of error that"windows can't be installed on this drive,it may fail soon(something like that)". I didn't install thinking of doing further damage to drive.I used some software for hard drive health and found bad sector but I don't understand much.
1. first I used WD life diagnostic tool and run QUICK TEST and it failed in few secs. this is the error I get
""Quick test on drive2 did not complete!
Status code=04 (unknown failed test element), Failure checkpoint=96 (Unknown test)
SMART self-test did not complete on drive"

here are some other tests screenshot pics
G3BTCw.png

http://imagizer.imageshack.us/v2/1600x1200q90/924/qumy3j.png
http://imagizer.imageshack.us/v2/1600x1200q90/923/mYorrE.png

is it repairable or should I replace it?? Its under warranty.
 
Solution
Generally, failing SMART doesn't necessarily mean failure is imminent It's a collection of stats that HDD manufacturers over the years have found are correlated with failures. I had a HDD which once hit 60 C (was copying from it outside the case and there wasn't enough airflow). It still worked fine, but every time I started up the computer it would pause with a SMART warning. I eventually got rid of the drive just to get rid of the annoying warning.

However, the SMART failure here is for reallocated sector count. As the drive starts having problems writing to a sector of the platter, it remaps that sector to a reserve sector. All future writes which were supposed to go to the failing sector instead get written to the reserve...
Generally, failing SMART doesn't necessarily mean failure is imminent It's a collection of stats that HDD manufacturers over the years have found are correlated with failures. I had a HDD which once hit 60 C (was copying from it outside the case and there wasn't enough airflow). It still worked fine, but every time I started up the computer it would pause with a SMART warning. I eventually got rid of the drive just to get rid of the annoying warning.

However, the SMART failure here is for reallocated sector count. As the drive starts having problems writing to a sector of the platter, it remaps that sector to a reserve sector. All future writes which were supposed to go to the failing sector instead get written to the reserve sector instead. This is fairly normal as the drive gets older, which is why manufacturers have implemented this sector reallocation system to deal with it.

Your reallocated sector count indicates you are running out of reserve sectors. Either the drive is very old and has used most of them up, or the drive has been experiencing problems which are causing you to burn through reserve sectors at a much faster than expected rate. Your other symptoms (drive becoming slower) suggests the latter. Either way, the drive is on its way out and you need to replace it.
 
Solution
1) Back up any irreplaceable data as soon as possible, especially if you don't make regular backups. If you obtained data or apps from the internet a while ago, they have the chance of being irreplaceable. Data/Apps from CD, the internet in general, other backups, are what are replaceable. If you're so inclined or unsure, go ahead and back it all up.

2) Replace as soon as you can. The Warning comes with a reason, but it can be minutes or seconds before failure, or it could go a couple years or so more. You never know. If you don't want to do this step, until actual failure occurs, at least do step 1.