USB flash drive 'Read only' problem

Hi everyone,
I have a Trescend USB flash drive 16 Gb, and when I plug it into my desktop (using windows 7 64 bits) I'm able to write or read any file I want. When I plug it into my mid-2010 MacBook Pro 15' w/ lastest version of OS X Lion, the permission are 'Read Only' and I can't seem to be able to change the permission.
How am I suppose to change permission on my Macbook ?
Thanks in advance,
Cheers,
François

I installed it and got this error : now my Macbook wont even see the flash drive...

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USB Flash Drive: Read-only filesystem

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I'd make a sound too if i was put into a bag haha.
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jfoppes wrote:
… can i format the flahs drive insuch a way a way that prevents copying?
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So, the harder you make it to 'copy protect' your content, the more inconvenient it gets for your paying customers!
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Hello Stedman:
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Troubleshooting steps :
- Turn iMac off (Leave Off)
- Unplug Power Cord from Power Outlet or Back of iMac (Leave Unplugged)
- Hold Power Button on Back of iMac for 10 Seconds (While Unplugged)
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I'm currently trying to install Ubuntu on my MSI GE60 0ND notebook but I'm having troubles to boot on my USB flash drive in EFI mode.
I've disabled Fast Boot and Secure Boot options but the only thing I can have is the GRUB menu of the liveUSB and whatever option I try I always get a blank screen. On the other hand everything works fine when I set the BIOS on Legacy mode.
It's the same problem they have on this thread : https://forum-en.msi.com/index.php?topic=165756.0 but with an other notebook.
The problem is I want to keep Windows 8 side by side with Ubuntu so I must have them both installed in EFI mode.
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Here are my current BIOs and EC infos :
BIOS Version : E16GAIMS.514
BIOS Build : 03/12/2013
EC Version : 16GAEMS1 Ver5.05
EC Build : 02/21/2013
Thanks for your help, and sorry if I've made English mistakes.

i don't know if unlocked BIOS can help you with this

USB flash drive 'Read only' problem

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