[anonymust]

My Brother borrowed my USB stick to install his digital copy OSX Leopoard on my macbook


He followed some instructions online to make the USB bootable with the OSX image that he copied the external.

He did all of that and now I cant get my usb to work proppper
its n 8GB usb.... but now it seems to have two partitions :S.. ad when i use the USB on my Windoes desktop... I can onlyu access 200MB and write to 200MB!


Help me save my USB!. Pictures from Disk Utility bellow.


ROOT of the USB


THE 200MB PARTITION



THE LARGER PARTITON



DISK UTILITY LOG

Code:
2011-06-23 20:05:02 +0200: Disk Utility started.

2011-06-23 20:05:59 +0200: Preparing to erase : “UNTITLED”
2011-06-23 20:05:59 +0200: 	Partition Scheme: Master Boot Record
2011-06-23 20:05:59 +0200: 	1 volume will be erased
2011-06-23 20:05:59 +0200: 		Name		: “UNTITLED”
2011-06-23 20:05:59 +0200: 		Size		: 7.87 GB
2011-06-23 20:05:59 +0200: 		Filesystem	: MS-DOS (FAT)

2011-06-23 20:05:59 +0200: Unmounting disk
2011-06-23 20:05:59 +0200: Volume Erase failed with the error:

Could not unmount disk
2011-06-23 20:06:00 +0200: Erase complete.
2011-06-23 20:06:00 +0200: 
2011-06-23 20:06:56 +0200: Preparing to partition disk: “SanDisk Cruzer Media”
2011-06-23 20:06:56 +0200: 	Partition Scheme: Apple Partition Map
2011-06-23 20:06:56 +0200: 	1 partition will be created
2011-06-23 20:06:56 +0200: 
2011-06-23 20:06:56 +0200: 	Partition 1
2011-06-23 20:06:56 +0200: 		Name		: “Untitled 1”
2011-06-23 20:06:56 +0200: 		Size		: 8.09 GB
2011-06-23 20:06:56 +0200: 		Filesystem	: Windows NT Filesystem (NTFS-3G)
2011-06-23 20:06:56 +0200: 
2011-06-23 20:06:57 +0200: Unmounting disk
2011-06-23 20:06:57 +0200: Partition failed for disk SanDisk Cruzer Media Could not unmount disk
2011-06-23 20:07:15 +0200: Mount of “Untitled” succeeded
2011-06-23 20:07:35 +0200: Verify and Repair volume “NO NAME”
2011-06-23 20:07:35 +0200: Starting repair tool: 
2011-06-23 20:07:36 +0200: ** /dev/disk1s1
2011-06-23 20:07:36 +0200: ** Phase 1 - Preparing FAT
2011-06-23 20:07:36 +0200: ** Phase 2 - Checking Directories
2011-06-23 20:07:36 +0200: ** Phase 3 - Checking for Orphan Clusters
2011-06-23 20:07:36 +0200: 9 files, 204556 KiB free (51139 clusters)
2011-06-23 20:07:36 +0200: Volume repair complete.2011-06-23 20:07:36 +0200: Updating boot support partitions for the volume as required.2011-06-23 20:07:36 +0200: Repair tool completed: 
2011-06-23 20:07:36 +0200: 
2011-06-23 20:07:36 +0200: Verify and Repair volume “Untitled”
2011-06-23 20:07:36 +0200: Starting repair tool: 
2011-06-23 20:07:37 +0200: Error: Could not unmount disk2011-06-23 20:07:37 +0200: 
2011-06-23 20:07:37 +0200: Disk Utility stopped repairing “Untitled”: Could not unmount disk
2011-06-23 20:07:37 +0200: 

**********
2011-06-23 20:25:58 +0200: Disk Utility started.

2011-06-23 20:26:25 +0200: Preparing to erase : “Untitled”
2011-06-23 20:26:25 +0200: 	Partition Scheme: GUID Partition Table
2011-06-23 20:26:25 +0200: 	1 volume will be created
2011-06-23 20:26:25 +0200: 		Name		: “Untitled”
2011-06-23 20:26:25 +0200: 		Size		: 8.09 GB
2011-06-23 20:26:25 +0200: 		Filesystem	: Windows NT Filesystem (NTFS-3G)

2011-06-23 20:26:25 +0200: Unmounting disk
2011-06-23 20:26:25 +0200: Disk Erase failed with the error:

Could not unmount disk
2011-06-23 20:26:25 +0200: Erase complete.
2011-06-23 20:26:25 +0200:

[CharlesS]

So, just reformat the USB stick in FAT32 format (Disk Utility likes to call it "MS-DOS").