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Crc error external hard drive

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March 25, 2011 11:40:04 PM

Hello,Until a few days ago my 750GB Toshiba Solid State Drive (USB 3.0) external harddrive was working perfectly. I tried opening F: and I hear this faint click in the background and Windows tells me it cannot access drive F:.
After another try a pop-up message tells me my drive has experienced a CRC error and then it immediately gives me the option
of formatting to which i click no. I tried right clicking drive F: on my Computer but the Folder would just freeze
or become very slow. After doing some research on how to tackle the problem, I ran "checkdisk F: which brought out no bad sectors, or anything wrong. I still cannot access any of my important folders.
Is there a way for me to fix my hard drive without deleting my files and folders. Its a new Hard drive, been only using it for 2 months tops.
a b G Storage
March 26, 2011 3:54:16 AM

Crc errors indicate a problem with your drive. Try running Toshiba's software diagnostic utility on your drive and report back if it detects problems.

If all is well try: http://findandmount.com/
March 26, 2011 9:52:33 AM

I could not find any Toshiba software utility's, so I run scan with FindAndMount. Both Intellectual and Normal scan shows same message: "No visible partitions found".

So, will Format disk resolve this issue, and is there any chance that I can get my data. I have around 400 GB of very important data on this disk:( ((
Related resources
March 26, 2011 10:00:51 AM

p.s. I run chkdsk in Win 7 SP 1 and, as far as I can tell, it didnt find any errors
March 26, 2011 10:37:04 PM

So, this is S.M.A.R.T. report. I have bold things which hddscan show as errors.


001 Raw Read Error Rate 100 100 0000000000-0000 050

002 Throughput performance 100 100 0000000000-0000 050

003 Spin Up Time 100 100 0000000000-02B3 001

004 Start/Stop Count 100 100 0000000000-00F3 000

005 Reallocation Sector Count 100 100 0000000000-0358 050

007 Seek Error Rate 100 100 0000000000-0000 050

008 Seek time Perfomance 100 100 0000000000-0000 050

009 Power-On Hours Count 100 100 0000000000-0055 000

010 Spin Retry Count 104 100 0000000000-0000 030

012 Device Power Cycle Count 100 100 0000000000-0031 000

191 G-sense Rate/Servo tracking 100 100 0000000000-0000 000

192 Emergency Retract Count 100 100 0000000000-0013 000

193 Load/unload Cycle Count 100 100 0000000000-01F7 000

194 HDA Temperature 100 100 25 C 000

194 HDA Temperature Maximum 100 100 37 C 000

194 HDA Temperature Minimum 100 100 16 C 000

196 Reallocation Event Count 100 100 0000000000-0026 000


197 Current Pending Errors Count 100 100 0000000000-0658 000

198 Uncorrectable Errors Count 100 100 0000000000-0000 000

199 UltraDMA CRC Errors 200 200 0000000000-0000 000

220 Disk Shift 100 100 0000000000-2048 000

222 Loaded Hours 100 100 0000000000-000E 000

223 Load Retry Count 100 100 0000000000-0000 000

224 Load Friction 100 100 0000000000-0000 000

226 Load-in Time 100 100 0000000000-00D0 000

240 Heads Flying Hours 100 100 0000000000-0000 001
a b G Storage
March 26, 2011 11:53:13 PM

Well it seems obvious that something has happened to the partition information on this drive...
You could try and find some data recovery software and try and recover your data.
Failing that you can take the drive to a recovery speciallist and they might get all your files...but it's costly!
Did you bang or drop the drive at all? It doesn't take much to fubar a drive....my brother pooched a brand new drive from just a 6" drop....

Hope this helps...JQ
a b G Storage
March 27, 2011 6:47:14 PM

Looks like your drive has bad sectors that are making your partition unaccessible. You will need to have a data recovery operation performed to save your data. It's possible to attempt this yourself but not easily.

What is the model number of your drive? I did not think Toshiba made 750GB solid state drives.
March 27, 2011 10:53:58 PM

Toshiba Canvio 750 GB USB 3.0 Portable Hard Drive E05A075CAU3XS
March 29, 2011 11:14:10 PM

No more help? :( 
!