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Windows 7: Files corrupt after copy to usb hard disk

13 Feb 2010   #1
miloman

Windows 7
 
 
Files corrupt after copy to usb hard disk

Lately I had problems playing video-files (hd content, mkv container) on my WD HD TV. Turned out that the files were corrupted when after copying to the usb disk. First I was afraid my Intel X25-m was the culprit, but windiff proved that the error occurred after copying, and there was a difference between the file on my SSD and the copy on the usb disk.
After trying all the USB ports on my laptop (MSI pr200, T7700, 4GB, Win7 HP 64), the CABLE proved to be the culprit. I use different cables, the one causing problems was an old motorola razr....
After trying the cable that came with the 500GB Verbatim USB disk the problem is gone, and windiff says the files are equal.
Just to let you searchers know (fingers crossed!): issue seems to be resolved by using a good cable.


My System SpecsSystem Spec
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21 Feb 2010   #2
miloman

Windows 7
 
 

Unfortunately problem not solved.... today again a copied mkv of 4.36 GB got corrupted when moved to the verbatim 500GB USB HD.... The files are different after copying, according to windiff, and my WD HD TV stops when getting to corrupted parts (more than 1).....
The quest will continue to find the culprit.... Next I will use a different HD in a different enclosure.
My System SpecsSystem Spec
11 Sep 2010   #3
Nexers

Windows 7 Ultimate x64
 
 

Sorry to bring up and old post but did you ever solve your corruption problem? I'm facing the exact same thing for some time now and I can't seem to solve it.

Writing to every USB HDD I got causes random corruption detectable by hash check. I recently got a new motherboard so I know the USB controller itself is not to blame. USB cables have been replaced a few times.

Reading from the USB drive to internal disk is fine only writing to USB drives from any of the internal disks cases problems.
My System SpecsSystem Spec
.

12 Sep 2010   #4
miloman

Windows 7
 
 

Unfortunately my problems were never resolved. Still get corrupted files on my HD (confirmed with Windiff). Until now whenever I copy and overwrite the file to the USB drive for the 2nd time, it's ok. Very annoying issue this.
I even got a USB 3.0 drive, but still the same issue. I scored a pc-express USB 3.0 card for my laptop (MSI PR200), but it seems this laptop has issues with the pcexpress port, so I cannot use this slot (even USB 2.0 expresscard doesn't work).
My System SpecsSystem Spec
12 Sep 2010   #5
Nexers

Windows 7 Ultimate x64
 
 

No problems copying from USB to internal drive? Only copying to USB drives?

I was wondering if it could be somehow related to memory issues but as I don't have any problems copying from USB drives I kinda doubt it
My System SpecsSystem Spec
12 Sep 2010   #6
miloman

Windows 7
 
 

No problems with copying files from the external USB disk to the internal one (SSD, Intel x25-m). Tried 2 files (11.6 GB and 1 over 6 GB), both ok according to Windiff.
My System SpecsSystem Spec
12 Sep 2010   #7
karlsnooks

MS Windows 7 Ultimate SP1 64-bit
 
 

I've never encountered this problem specifically, but my general suggestion when data transfer problems occur is:
1. Disable your AV/spyware/firewall etc software for the duration of the transfer.
2. Exit from all other programs before doing the transfer.

If step 1 solves you problem, then I recommend using, and only using, the anti-viurs/security software that the majority of us use:
http://www.microsoft.com/security_essentials/
My System SpecsSystem Spec
12 Sep 2010   #8
miloman

Windows 7
 
 

I'm running security essentials for a long time already (more than 1 year).
I'm going to swap the HD with an old fashioned one, and install XP this winter, and see if this issue still occurs in that setup.
Memory was tested with memtest86 some time ago. No issues. Will do a retest one of these days.
My System SpecsSystem Spec
12 Sep 2010   #9
thehappyman

Win 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by miloman View Post
Lately I had problems playing video-files (hd content, mkv container) on my WD HD TV. Turned out that the files were corrupted when after copying to the usb disk. First I was afraid my Intel X25-m was the culprit, but windiff proved that the error occurred after copying, and there was a difference between the file on my SSD and the copy on the usb disk.
After trying all the USB ports on my laptop (MSI pr200, T7700, 4GB, Win7 HP 64), the CABLE proved to be the culprit. I use different cables, the one causing problems was an old motorola razr....
After trying the cable that came with the 500GB Verbatim USB disk the problem is gone, and windiff says the files are equal.
Just to let you searchers know (fingers crossed!): issue seems to be resolved by using a good cable.
Sounds like a nasty problem - I know this dosent happen with Win XP 32 bit. Is your USB drive formatted FAT or FAT16 (they usually come this way) Try reformatting NTFS
If you still have the problem can you find a "memory dump" utility to display the data in hex ??? Then you could see if particular bits in the data words were being mutilated or whether the beginning or end of the transfered files had become corrupt - Just a few ideas here - good luck
My System SpecsSystem Spec
13 Sep 2010   #10
miloman

Windows 7
 
 

Thanx for your tips. The usb hd was reformatted to ntfs at first use (because of the large files).

I'll have a look as to how I can get an idea as of where in the file the mutilation occurs. Because these are big (video) files I hope I have enough disk space for hex dumps....
My System SpecsSystem Spec
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 Files corrupt after copy to usb hard disk




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