Airport Extreme doesn't see my USB disk

Hello,
i have changed the usb disk (full) that i connected to my airport extreme. I replace it by a new one (MEM UP, 2 To), formatted in mac os extended.
This new disk is mounted by the Mac but when i connected it on the Airport, the Airport doesn't see it : "no disk detected".
There isn't hub, it is connected directly.
Have you got an idea ?
Thanks,
Rudy

The USB port on the AirPort Extreme is under powered....and your new hard drive may require a bit more current than the old one.
It is always a good idea to use a powered USB hub with the AirPort Extreme whenever you are using a hard drive....even if the hard drive has its own power supply.
A powered USB hub may not solve your issue, but there is also a chance that it will. Might be worth a try.

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Hi. I have a new airport extreme out of the box, factory fresh. I plugged in my USB hard drive and cannot see it displayed in the Airport Utility under Disks. I have tried different hard drives, different cables, rebooted the airport, restored it to default settings but still no joy.
The first disk I tried was a factory fresh Buffalo formatted to NTFS. Then I tried my USB disk that was the Time Machine backup on my old Mac that I had connected via a USB cable. Neither can be seen.
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The drive must be formatted in Mac OS Extended (Journaled) or FAT32 to be recognized at the USB port of the AirPort Extreme.
The USB port on the AirPort Extreme is underpowered. For that reason, it is often necessary to use a powered USB hub with a hard drive......even if the hard drive has its own power supply.
If the drive is formatted correctly, and you have a powered USB hub, and the drive will still not appear in AirPort Utility, then it is time to take the AirPort Extreme to an Apple Store or service to have the USB port checked out.
See this discussion for more information and tips:
https://discussions.apple.com/message/20499058#20499058

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A few things to check are:
Make sure that the drive is formatted in Mac OS Extended (Journaled) or FAT32. The normal Windows format of NTFS will not work.
The USB port at the AirPort Exteme is under powered. You almost always need to use a powered USB hub with a drive at this port, even if the drive has its own power supply.

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Message was edited by: illy5603
Message was edited by: illy5603

Oh well... No dice huh? I just noticed that the Airport Extreme locks up every time I use my sonicwall global VPN client as well per this thread.
http://discussions.apple.com/thread.jspa?messageID=5347398
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I just called Apple Care and I'm astonished by the answers that the operator gave me :
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http://support.apple.com/kb/SP628?viewlocale=en_US
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The confusing part to me was that the new Extreme has a USB2.0 spec?
It is easier and cheaper.
USB3 spec causes 2.4ghz wireless issues.
See http://www.pcmag.com/article2/0,2817,2423604,00.asp
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Dear all,
I just brought the Airport Extreme Base Station with the purpose to use an external HD shared with all my Macs
The AEBS works quite well, but I’m not able to see the USB disk in the Finder…
In the airport utility I can easily see that AEBS recognize the USB disk, and that that disk is connected, and I’m sure that that disk works well and that is formatted as Mac OS Extended
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