IPod not recognized on USB hub

What would cause an iPod Nano to charge while connected to a 1.1 USB hub, but not be recognized by Windows or iTunes?
My brother connected his Nano to a USB keyboard port, and has lost it's charge. I've been able to get it to charge on my 1.1 USB hub, but not a 2.0 USB connection. The iPod is also not noticed by Windows or iPodServices.
I put the iPod into Disk Mode and tried all five 2.0 USB ports on my motherboard. It will only charge on the USB hub, but again, won't be recognized by iPodServices.
Intel Pentium D 320 Windows XP Pro

I have the exact same issue. Did you get it resolved. I have a replacement Nano and I think that is messing it up. I was going to send it back to Apple, but they wanted to charge me another $40.00. That would be now $80.00 to repair this piece of crap. So I am asking you if you got resolution.

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All previous Itunes have been deleted and Itunes 7 has been installed. This is on WIndows XP Pro.
1. I know it is not a defective IPOD or USB cable because I brought them to work (a non Itunes machine) and plugged it up. IPOD was immediately recognized as IPOD /USB Mass Storage Device.
2. I know it is not the USB port at home because I plugged other devices (Klipsch Promedia speakers / Mouse / Keyboard) into the same port and they worked. Incidentally, this is a front USB port, however, I get the same result if I use a rear port.
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Here is what worked for me:
My usb hub, being usb2, was too fast. I moved the wire to a usb port directory on my pc. That is a usb1 port which is slow enough to run your snyc.

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I just bought an iPod nano from one of my friends and i got the usb cord off of ebay. when i connect my ipod to my computer. it says usb device not recognized. i've installed software and everything. i've downloaded iTunes and all the ipod software i can find including the updater and other downloads from apple. PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

After switching to a Nano, my Dell pocket DJ is having the same problem you are describing. I can't tell what the fix is but I plan on purchasing a new USB as I suspect that may be the problem.

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Ipod not recognized on usb 2.0, works on usb 1

Hi, I have a Power PC g4 runing mac os 10.4.11
I also bought 2 ipod nanos 4gb. these are the 6th
and 7th ipods in the house. At first I was using
a usb 1 port to transfer my stuff and everything
worked well. I then decided to add a Iogear usb
2.0 pci card in the computer. At first everything
was working really well it was really fast. At some
point I realized that sometimes the ipod would not
mount on the computer. I would work a bit later.
Now it just never mounts on usb 2. usb 1 works fine,
plugging my camera on the usb 2.0 ports also work fine.
plugging the ipod in a macbook works, but it will not
mount on my power Pc (where my music is). I'm sure the
usb 2 card works as it recognize both my camera and my
ipod with video 30gb. I'm not sure if it worked at all since I
upgraded the system from 10.4.10 to 10.4.11
Has anyone heard of a problem with 10.4.11 compatibility?
I work for an apple reseller and heard the new nano has some
problems with some poor quality recharge kits that we sell. I
don't know if this could be linked.
Any comments or experiences could help.
thanks in advance

I can't offer any help, but I can say that I am having a similar issue with an iogear PCI USB 2.0 card in a G4 867. Card works for other USB items, but doesn't want to work with the nano. I use the same model of card in a G5 and it works until the Mac goes to sleep, then it no longer recognizes the card or anything connected to it until the mac is restarted. Solved that by not allowing it to sleep (in energy saver preferences). I thought that would work for the G4 too, but no luck. The cards worked "normally" prior to updating to Leopard, so I am hoping a future update sorts this out.

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Assuming you haven't got the cords mixed up with another, older iPod, it sounds like you have a couple of problems:
1. Your computer's USB ports have quit working. Reboot your computer and see if they reactivate.
2. Your friend's iMac generated that message because you tried to charge the device from the low power keyboard USB port. iPods need to be charged off one of the main USB ports or a powered hub.
3. iPods not being recognized by iTunes can be caused by 1) wrong cable; 2) non-functioning USB ports; 3) iTunes not being the correct version for the iPod OS; and finally 4) Apple Mobile Device Services driver is either stopped, missing, or disabled.
To troubleshoot a problem with Apple Mobile Device Services, see the Apple support article: http://support.apple.com/kb/TS1567

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Have you had a chance to look at these troubleshooting pages? They may be of some help:
iPod missing in My Computer and in iTunes
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iPod missing in My Computer and in iTunes
iPod is not recognized properly by computer when USB drivers are not installed properly or are out of date
If you are using a laptop, this page might help: iPod not recognized when connected to Windows laptop over USB

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hi jpratt!
given that you've got a Toshiba, we'd probably better check up on this issue first:
iPod not recognized correctly on Toshiba laptop
keep us posted.
love, b

New iPod not recognized in Vista PC and no devices in iTunes

Hello, plugged iPod Touch into computer and Vista showed usual little box which said automatically located drivers and installed them. But couldn't find iPod in My computer. Installed iTunes from download area. No devices in left column.
Reinstalled iTunes from fresh download. Plugged iPod in every USB point on computer, but nothing happens. IPod not found or recognized.
Tried to find USB driver in Device Manager but all have generic names and so can't identify which driver was installed for iPod. None show installation date or anything which may identify which one. Also forgot to create restore point first (kicking self - always do this normally before installing something new).
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Could someone please suggest what to do, besides dropping computer out of window?
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Phil Chave

I would try this:
http://support.apple.com/kb/TS1369
(iPod not recognized in 'My Computer' and in iTunes for Windows)

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I myself have a Mac, but for that last week, since Xmas, have been trying to help a friend get her kids' iPods (Xmas gifts) to work with her Windows machine. She has a Dell with Windows XP. Her whole system is 2-3 months old.
We experienced the same problem as many. iPods not recognized by her system. We tried everything, the 5R's, prayers,tears, voodoo, human sacrifice (Bob from GeekSquad), everything.
Long story short, she discovered that if she disconnects her printer (a Lexmark all-in-one) from it's USB port, and then connects the iPods, the iPods are recognized and funcion normally with the system. She restarts her computer between disconnecting the printer and connecting the iPods. Not sure if that step is necesary at this point. Must be some sort of hardware/software conflict.
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I don't usually reply in discussion sites, but after about 20 hours...doing the R's over and over, Applecare not being able to help, and one step away from giving up...I just had to say thank you! I tried everything...except removing my printer and scanner to see if they were conflicting...after I read your note, I tried, and it finally worked. Thank you so much...I really appreciate the suggestion...and my headache has seemed to go away!!! Hope that you have helped other people's stress as well! Happy New Year!
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Hi LoisPadgett,
Thanks for using Apple Support Communities. If iTunes doesn't recognize your iPod classic, this article may help:
iPod not recognized in My Computer and in iTunes for Windows
http://support.apple.com/kb/TS1369
Cheers,
- Ari

IPod not recognized on USB hub

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