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Windows 7: Corruption in large file transfers to USB drives
Hi,
I have moved to Windows 7 Ultimate x64 for almost half a year, recently my hard drive was getting full and I decided to move some of the data to usb external hard drives. Both the externals I have are IDE hard drives and both are NTFS. I always use Quicksfv to make a CRC check file before I transfer the file and then run the CRC check after its been copied over to the external drive. I have used these externals in the past with Windows XP and had no problems.
However, on Windows 7 when transferring large files (usually over 1GB in size), I get corruption in the files. The corruption occurs randomly, if I recopy the files again it might be corruption free. This only occurs when copying files from internal to external, if I copy files from the external to my internal there's no corruption at all.
I have tried changing the usb cables, power cable of the externals, using different usb ports but none of it helped. I scanned both externals with chkdsk and I used memtest+ for over 24hours and all the tests passed fine.
Regards,
Pleco