Question about Hard Drives
My new Maxtor OneTouch 500gb external USB worked fine for about a month. One day--and ever since--I went to disconnect it using "safely remove hardware" as I always do, and I got an "$mft" error accompanied by a "delayed write failure" notification. Looking in event viewer, I saw Event ID 50 (delayed write failed), which indicates the data was lost because Windows was unable to save all the data. This was accompanied by Event ID 51 (error detected on harddisk during paging operation), and Event ID 57 (system failed to flush data to transaction log, corruption may occur). Seagate somewhat addresses the $mft/delayed write failure issue with no real solution. I've also run Seagate Tools and everything passes. The external seems to be working fine, I'm still able to load all my files, which is primarily music, and the files are fine (although I know I'm probably playing with fire by continuing to use it until this is resolved). But every time I go to disconnect the external now, the same thing happens, along with the message that says "generic volume cannot be stopped; try again later," because "some other program is accessing it right now." But then, if I shut down the computer and reboot it, it lets me disconnect the external using "remove hardware safely." The external came with a six-pin firewire, and my computer has a four-pin port. So I haven't tried that or a different USB cable yet. Any input on this would be greatly appreciated.
1) Always make sure your system is clean of viruses and use scandisk to
check the file system's integrity - no point making changes to a system
based on corrupt files, as things will likely stay corrupt. Try
scanning the registry too with your favourite registry scanner.
2) Use a program like Sysinternals (Winternals now under Microsoft) ProcessExplorer. If a process really IS using the USB drive, then you can do a search for exactly what is being used by searching for "<DRIVE LETTER>:" and interpreting the results. Malware could be using it or just a program you were running hasn't correctly 'signed-off'. You can force-close the offending item if nothing else works. Then the drive should allow itself to be safely removed.
3) Check your USB chipset drivers. Install any updates available, or if none are, then uninstall & reboot, then re-test.
4) Power is the baseline for everything electronic, people forget this too often. If you can, check the PSU (an external one I assume with this model of drive) with a multimeter.
5) Try on another PC (preferably with the same OS) at length.
6) Try with a different USB cable.
7) Try with the Firewire cable as a workaround (the hardware/chipset used is different, so likely to encounter different hardware/software issues, but interesting to check if any similarities).
GOOD LUCK - I hate USB, it's so fiddly with all the different driver/chipset/hardware implementations that it can be a nightmare to troubleshoot.
Posted on Aug 09, 2009
* Mac OS: la función VD Video no es compatible a través de VOB/IFO (carpeta Video_TS). El tamaño de archivo DVD ISO no puede superar los 4 GB. El sistema de archivos FAT32 / MS-DOS no admite tamaños de archivo mayores que 4 GB. No intente formatear la unidad en el sistema de archivos HFS+, ya que no es compatible en el modo TV.
Posted on Jun 29, 2008
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