IPod freezes wtartup when plugged in

So,
I recently started having the problem of the iMac freezing on startup when my 30gig iPod is plugged in; well it freezes every other time it boots. The Mac stays at the grey screen before the apple logo and the spinning gear. I know it's the iPod b/c when I disconnect it, the computer resumes startup.
We have another iMac with the same setup and the same iPod was plugged into it and it started up fine. I know the solution i to not plugin the iPod, but why is it that the other iMac is fine and mine not?
I have run hardware tests, FSCK, Pram rests and even disconnected everything plugged into the iMac and waited 15sec before plugging it all back in and booting up. Same thing.
Any thoughts? Thanks a lot

Hi Joe and kcdude
Your iMac is not sure where to boot from with the iPod connected. Go to: "System Preferences / Startup Disk" and be sure the "Mac OS X 10.5.. on Macintosh HD" is selected, then lock the preference to prevent further changes. Some say that didn't solve there booting issue with the iPod connected, but it won't hurt to check.
There are a slug of threads in a narrowed down search link below:
[Discussions Search: booting with ipod connected|http://discussions.apple.com/search.jspa?threadID=&q=bootingwith+ipodconnected&objID=c189&dateRange=thisyear&userID=&numResults=15]
A couple of other options:
1. only sleep the iMac when the iPod is charging!
2. pick-up a wall charger for the iPod.
Dennis

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OK, lets check out the iPod's hard drive...
*Check your iPod with Diagnostics Mode*
It's possible that your iPod's hard drive has started to fail. Take your iPod and place your right thumb on the centre SELECT button and your left on the top MENU button. Press down both thumbs for about 6 seconds until your iPod reboots. Immediately move your left thumb around to the rewind button |<< on the left and hold this down together with SELECT for a further 6 seconds. Your iPod should now switch into Diagnostic Boot mode. Press MENU for *Manual Test*, then select *IO > HardDrive > HDSMARTData* to reveal your stats. For comparison here are mine for my 2 year old 6th Generation Classic:
Retracts: 889
Reallocs: 12
Pending Sectors: 0
PowerOn Hours: 2202
Start/Stops: 894
Temp: Current 24c
Temp: Min 10c
Temp: Max 50c
Take a note of your results. When finished press *SELECT & MENU* for 6 seconds to reset the iPod again.
With modern disc drives sectors are no longer marked bad by a disc scan, if the SMART firmware detects a sector it has trouble accessing it will attempt to invisibly reallocate it to a spare area of the disc.
Note that I've only 12 remapped sectors and none pending. To help explain what the numbers mean here is an extract from the Wikipedia S.M.A.R.T. article:
*Reallocated Sectors Count*
Count of reallocated sectors. When the hard drive finds a read/write/verification error, it marks this sector as "reallocated" and transfers data to a special reserved area (spare area). This process is also known as remapping, and "reallocated" sectors are called remaps. This is why, on modern hard disks, "bad blocks" cannot be found while testing the surface – all bad blocks are hidden in reallocated sectors. However, as the number of reallocated sectors increases, the read/write speed tends to decrease. The raw value normally represents a count of the number of bad sectors that have been found and remapped. Thus, the higher the attribute value, the more sectors the drive has had to reallocate.
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tt2

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Mel
welcome!
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http://docs.info.apple.com/article.html?artnum=61771
http://docs.info.apple.com/article.html?artnum=61003

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Hi All,
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My iPod is probably 5 years old or so. It's been acting up for a while and I stupidly, did not back it up.
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Bump. Is there no way to solve this?

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hi,
can anyone help me... i have an 30gb ipod and have tried everything to get it working with itunes. It works fine with others computers but with mine it just freezes itunes. As soon as i plug my pod in it freezes itunes. Sometimes if i'm lucky it starts to update it but then after 5 minutes it freezes itunes again. I have tried the 5 r's. I have installed the latest SMTP driver for xp. I have tried everything that apple have suggested on there sopport pages and nothing has helped. I have even reformatted my laptop just to get it to work but no luck.
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Thanks

I get exactly what your describing and I noticed we are using the same laptop!!
I did not notice originally as I've got an old 40gb click wheel, about 3/4 years old. The battery is not great so assumed it may have been that but even fully charged I'm getting no luck.
I also followed the 5 r's and all the other suggestions for Ipod in My compute but not in itunes but nothing has worked. I cannot get my laptop to recognised my ipod via Itunes but it see's it fine via My Computer.
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I'm desperate for help as I run every day and buy a new cd each week and at this rate I'm going to have to dig out my old CD player!
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Thanks for the replies.........I can't seem to find a solution to this....its annoying to say the least. Its just happened again this morning, though it's successfully sync'd on the last few occasions....it seems to be quite random.
One thing I've noticed is that it synced OK when iTunes wasn't open when I plugged it in. It appeared on the desktop, then I opened iTunes. This morning though it froze when iTunes was already open, so there may be an issue with iTunes (I updated this weekend to see if it was any different with the new version). I guess this will happen if you've got the ipod set to open iTunes automatically when connected too.
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Message was edited by: BMFord002

IPod freezes iTunes when syncing

Today I put a few new songs into my iTunes that I burnt onto a disc from my friends house. No problem the songs when on just fine. Plugged in my iPod and it did the usual; back up the iPod, sync all of my apps. Then it tries to sync my music and iTunes and my computer freeze. Now none of my music is on the iPod. At all. But all of my apps are. I deleted the new songs from my library and tried again and it still froze when trying to put the music on. I've also restarted my computer twice. Help would be awesome. Thank you!

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IPod freezes wtartup when plugged in

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