Question Flash drive Format corruption

Drew125

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Nov 3, 2014
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I have a flash drive in my security camera system. Its a walmart 128 GB formatted exfat. I pulled it out and was going to pull some video it froze the whole pc. I tried on another pc same issue. I brought out my surface and tried a chkdsk it froze at 0% would not move. Tried to copy the data after plugging it back in. Thats was a no go. Reformated it as exfat and ran chkdsk /r it ran without issue. Also the pc did not lock up. Any idea what happened? The only thing i got is the power went out and after inwas getting backup failed messages. Maybe the power blink caused some corruption that just got embed deep in it.
 
Nov 30, 2021
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It is. for clarity the power blinked while the usb was in the camera system. Not my pc . Thats where I think the corruption happened
I misread the first time through, now I see. Yes, it could get corrupted with loss of power or when power comes back on. It seems it is working correctly now?
 

Drew125

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I misread the first time through, now I see. Yes, it could get corrupted with loss of power or when power comes back on. It seems it is working correctly now?
It seems to be. I just had to lose the clips on he drive. I am going to run data recovery on it. I’ve made a note that when it looses power pull it and check it immediately.
 
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Drew125

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As an update it seems that drive failed. Every day the sync module has disconnected at the same time. After a reboot a message follows backup failed. After 4 days of trying stuff i put a different usb in it. This time a sandisk. Backup successfully last night no disconnect. It seems the walmart cheap flash drive has issues.
 

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