I have a new USB thumb drive that works in my 2010 iMac but not in my 2012 MacBook Pro

Today I purchased an 'autodrive' usb thumbdrive at Staples. The drive works fine on my mid 2010 iMac, and my Asus Netbook running Windows 7. However, it is not recognized at all by System Information or Disk Utility on my mid 2012 Macbook Pro. Both Macs are running Mountain Lion 10.8.2.
If I connect my 2 year old SanDisk USB thumb drive to the same USB port on my Macbook Pro, it is immediately recognized and a finder window opens. The SanDisk drive is also recognized properly by the iMac and the Netbook.
Is there any way to further debug this issue to get a better idea of why the device is not being recognized by the Macbook Pro?
Thanks,
-Scott

I am having this exact same problem with my New MBP 15" quad core 2.6GHz i7 on 10.8.2. I have other thumb drives that work, but an older thumb drive that works on my prior MBP 15" 2.7GHz dual core i7 on 10.7 and XP and Windows 8 laptops isn't recognized at all by the newer MBP. This thumbdrive is only 256MB and may be USB 1, but USB 1 stuff should work on a USB3 interface unless it's a bug. I've freshly formatted the drive and tested it with disk utility on the older MBP, so it's an issue with the newer Mac's USB controller or MacOS 10.8.2
I suspect a bug.

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Format a New USB Thumb Drive

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scsi 10:0:0:1: Direct-Access OCZ SD0StorageDevice 0.00 PQ: 0 ANSI: 2
sd 10:0:0:0: [sdd] 15794176 512-byte logical blocks: (8.08 GB/7.53 GiB)
It mounts fine on my system:
[carlos@tuna ~]$ sudo mount /dev/sdd usb/
Password:
[carlos@tuna ~]$ cd usb/
[carlos@tuna usb]$ ls -l
total 80
drwxr-xr-x 3 root root 16384 Mar 30 10:12 cisco
drwxr-xr-x 2 root root 16384 Apr 19 08:50 files
drwxr-xr-x 2 root root 16384 Apr 23 15:46 mail
drwxr-xr-x 3 root root 16384 Apr 23 15:49 pics
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Carlwill wrote:
sudo mount /dev/sdd usb/
mkfs.vfat -F 32 -i ocz_usb /dev/sdd1
me spots some inconsistencies. i'd bet if you used gparted instead, it'd warn you and say something like "create DOS Partition table first" or somesuch.
i dunno, this is the one area i like the wipe-my-ass-for-me bloat , could be worth a try.

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Hello sstefanik
Check out the articles below to troubleshoot your issues with getting a proper connection with Wi-FI. Try creating a new Network Location and join your network to see if you can get on that way.
Wi-Fi: How to troubleshoot Wi-Fi connectivity
http://support.apple.com/kb/HT4628
Using network locations (Mac OS X v10.6 and later)
http://support.apple.com/kb/ht5289
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PlaylistFan wrote:
I agree- I am having the exact same issue- No matter hpw I try to export and import from the old to the new computers,
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USB thumb drive shows up twice

Dear all,
I have a 1GB USB thumb drive which always mounts in the finder twice:
i.e.
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Hynek
USB Thumb Drive shows up twice
Posted: Oct 11, 2005 10:07 AM
I have a 64MB USB thumb drive (the only name on it I can see is VeriTest, which might be the name of some company that was giving them away) which always mounts on the desktop twice. I have used drive utility to re-format it (but even in drive utility it shows up twice).
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I know it's just a 64MB little thingy, but I find it quite useful (but this is annoying when I have to reformat to erase a file)... Any ideas?
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My guess is that the PC isn't showing you the second partition at all. If a drive is partitioned, the correct behavior is to show it as two separate volumes. If your PC is not showing the second volume, so showing them both as one volume, either way your PC is behaving incorrectly.
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I have a new USB thumb drive that works in my 2010 iMac but not in my 2012 MacBook Pro

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