 | My USB Flash Drive does not work, it says, there is no disk in the drive, please insert disk to drive "X". | | Usage problems | |
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| My USB Flash drive does not work, it says the disk is write protected. | | Usage problems | |
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| My USB Flash drive does not work, it says the disk is unformatted, but can not be formatted by MS-Windows format command. | | Usage problems | |
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| Do I need authorization code for Ur-smart? | | Usage problems | |
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| Can I activate Ur-smart without entering password? | | Usage problems | |
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| I forget the password to login Ur-smart. | | Usage problems | |
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| Is my USB drive compatible with Windows Vista? Can it support ReadyBoost function? | | Specification issues | |
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| If the driver would be installed correctly but Windows system still didn't recognize the USB drive (Windows ME/2000/XP/VISTA). | | Usage problems | |
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| When I plug the U339S, the system freeze or gives me the blue screen error. | | Other issues | |
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| My Mac OS didn't detect the USB flash drive entirely. | | Installation issues | |
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