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Hi I have used my Corsair Flash Voyager GT 16GB as a boot drive many times, bur recently it has refused to want to boot any OS, It just displays this blinking hyphen.

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I never managed to properly boot off my Corsair Flash Voyager GT 16GB so +1 for interesting question! –  AndrejaKo Aug 23 '10 at 12:21
    
It's something with your BIOS. Check to see what kind of usb bootable devices it can work with. –  lukemook Apr 18 '12 at 3:44
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1 Answer

Did you try to use diskpart in order to make it bootable?

It should look something like this:

DISKPART> SELECT DISK 1
Disk 1 is now the selected disk.

DISKPART> CLEAN
DiskPart succeeded in cleaning the disk.

DISKPART> CREATE PARTITION PRIMARY
DiskPart succeeded in creating the specified partition.

DISKPART> SELECT PARTITION 1
Partition 1 is now the selected partition.

DISKPART> FORMAT FS=FAT32 QUICK
100 percent completed
DiskPart successfully formatted the volume.

DISKPART> ACTIVE
DiskPart marked the current partition as active.

DISKPART> EXIT

You can check guide at this blog post for better looking formating.

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Well actually I am trying to boot a Mac OS X Snow Leopard disk and I have restored the ISO to the flash drive but it refuses to boot even when I try to boot a Windows 7 installation –  GamerOfFreedom Aug 24 '10 at 17:32
    
@GamerOfFreedom: Procedure should work regardless of operating system on it. USB drive itself is not a problem then. If it was a PC, I would recommend restoring BIOS defaults. –  Josip Medved Aug 25 '10 at 8:47
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