No longer recognizing my devices...

Since downloading the most recent version of iTunes, my computer no longer seems to recognize my iPod or iPhone so I cannot download my purchases to my devices. When I plug in my devices, nothing happens; it does not seem to register that the devices have been plugged in and does not sync automatically, also does not give me the option to sync manually. I have used iTunes for years and have never experienced this problem. What can I do to fix this?

Hi Carol, lets try this...
reset FW bus, same goes for USB reset...
Reset the Firewire bus
If your Firewire or USB isn't recognizing any device. A solution which has worked for some whose hard drive became invisible in 10.4 was simply to follow these four steps to reset the Firewire/USB bus:
1. Shut the machine down.
2. UNPLUG the power lead to the computer and any firewire/USB drive/devices.
3. leave it for 10 minutes.
4. Connect back up and reboot.
http://www.macmaps.com/firewirebug2.html

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Hi Carol, lets try this...
reset FW bus, same goes for USB reset...
Reset the Firewire bus
If your Firewire or USB isn't recognizing any device. A solution which has worked for some whose hard drive became invisible in 10.4 was simply to follow these four steps to reset the Firewire/USB bus:
1. Shut the machine down.
2. UNPLUG the power lead to the computer and any firewire/USB drive/devices.
3. leave it for 10 minutes.
4. Connect back up and reboot.
http://www.macmaps.com/firewirebug2.html

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Hello monkeymonkeydo,
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Yes I know, I already reset like 100 times. Turned off-on...
I guess a recovery could solve the problem, but how do it if the iPad does not even appear in iTunes. I guess it is somewhat stuck in "cancelling sync" and therefore will not accept an USB connection (the USB port behaves like it is deactivated).

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Hello there, Blueye3355.
The following iPad Troubleshooting Assistant has some good steps to run through, to make sure you've covered all your bases:
Apple - Support - iPad - iTunes Assistant
http://www.apple.com/support/ipad/assistant/itunes/
If following all the steps listed there are additional options on the last step you might want to try or review the "if the issue persists" steps mentioned in the second part of:
iOS: Device not recognized in iTunes for Mac OS X
http://support.apple.com/kb/ts1591
Thanks for reaching out to Apple Support Communities.
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http://support.apple.com/kb/HT2553 as a last ditch effort but if it has been recognized by computer before and you did everything in HT1923 and TS1495 then i would say like msconfig stuff or disk cleanup and such.. it would be worth it to contact apple tech support if HT1923, TS1495 and HT2553 doesn't work.

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My ipod nano is no longer recognized by itunes after I installed windows 8.1. The ipod nano still is recognized and works with a Windows 7 computer

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http://support.apple.com/kb/ts1369
Usually the resolution is updating the Apple Mobile Device Driver. See the section labeled Verify that the Apple Mobile Device USB Driver is installed > For Windows Vista, Windows 7, and Windows 8 > Update the Apple Mobile Device Driver.
iOS: Device not recognized in iTunes for Windows
http://support.apple.com/kb/TS1538
Cheers,
Jason H.

No longer recognizing my devices...

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