Flash drive not working!

Cleisthenes

Cleisthenes

Cleisthenes

Soldato
Joined
29 Jul 2013
Posts
8,617
Hi guys,

I used my flash drive (a Corsair Flash Voyager) to put Win7 x64 on my computer, but now when I put it in my macbook, the light glows constantly but it doesn't show up anywhere, not even in disk utility!

Hellllllp please!

Ben
 
I have the same flash drive and the same problem. Works fine on my PC, but on my MBP the light just flashes repeatedly and it's not visible to the OS. Haven't been able to fix it - just seems like a compatibility thing.
 
Might be worth putting it back into your PC and going into disk management, deleting the volume(s) and creating them again, then format as FAT32. Something might have gone a little awry and could be fixed by doing that. It has worked for me in the past so definitely worth a go :)
 
dav3evans said:
Might be worth putting it back into your PC and going into disk management, deleting the volume(s) and creating them again, then format as FAT32. Something might have gone a little awry and could be fixed by doing that. It has worked for me in the past so definitely worth a go :)
Click to expand...
where is disk management? I have tried searching for it but it won't show itself. I'm running win7 x64
 
You need to force it to use the GUID Partition table scheme (GPT). OS X doesn't support MBR, which windows defaults to.

Reformatting/re-creating the volumes in windows like the above said will do nothing, you need to manually change it via DISKPART.

You'll want to select the disk (>list disk, >select x) then a
>clean
and finally
>convert gpt

It'll then be picked up in both OS X and (for the most part) Windows. :)
 
kfouwels said:
You need to force it to use the GUID Partition table scheme (GPT). OS X doesn't support MBR, which windows defaults to.

Reformatting/re-creating the volumes in windows like the above said will do nothing, you need to manually change it via DISKPART.

You'll want to select the disk (>list disk, >select x) then a
>clean
and finally
>convert gpt

It'll then be picked up in both OS X and (for the most part) Windows. :)
Click to expand...

Welcome to the forums! However you are wrong sir, OSX has supported MBR for years now.
 
In that case, I do apologise, it's been a few years! :)

I do however remember having this issue recently with an MBP and an old windows install drive, which then worked fine when I switched it to GPT. Could be a completely unrelated problem, but the solution still stands.

If nothing else, I'd say it's still something to try.
 
kfouwels said:
In that case, I do apologise, it's been a few years! :)

I do however remember having this issue recently with an MBP and an old windows install drive, which then worked fine when I switched it to GPT. Could be a completely unrelated problem, but the solution still stands.

If nothing else, I'd say it's still something to try.
Click to expand...

Absolutely. Everything is worth trying just for the sake of eliminating it as a possibility.

If you can't see it in disk management there won't be much else that I can suggest, I was under the impression that the flash drive was working in Windows but not OSX. How exactly did you put Windows 7 on it?
 
dav3evans said:
Absolutely. Everything is worth trying just for the sake of eliminating it as a possibility.

If you can't see it in disk management there won't be much else that I can suggest, I was under the impression that the flash drive was working in Windows but not OSX. How exactly did you put Windows 7 on it?
Click to expand...
it was through university, my friend gets free licenses from computer science so I downloaded off of the uni site and put it straight on the drive. It doesn't work on my rMBP which has usb 3.0 and my pc which has usb 2
 
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