My ipod 30gb needs to connect to its charger before it power on, and sometimes when i disconnect it from its charger sometimes my ipod will also shutdown, My next problem is that, when my ipod 30gb successfully turned on and play music after few songs like 15 or higher it will shutdown and it needs to connect to its charger to power it on again. even when i am fully battery is fully charged it won't turn on, someone help please thanks.

put it on a charger overnite, or for at least 4 hours. if u can help it, DO NOT use ur cp as a charger. After u do this it should go to "do not disconnect" the next time you plug it in to your computer.
:) hope this helps, tell me if you have any more problems, or if this doesnt help. Thanks :)

Few months ago i have same problem with my apple ipod classic 30GB.

My USB cable is short so computer show that, USB device canot be recognized. I haver replaced my cable. Problem will be in USB slot of ipod.

Replace cable. Problem will be solve.

You may need to apply the 5Rs. See here.
Try another cable if you can, to check the charge. Or try charging it with an ac adapter charger, if the computer isn't working well.
In fact, try plugging it into the back usb port of a desktop instead of the front, unless you're using a laptop. Some usb connections are powered off the motherboard, and don't have as good a power source as others.
See also here and here.
Make sure you sync all the songs to your computer first, so you don't lose them....

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

USB is the same thing as a charger.

Thank You for using Fixya!

you obviously need the charger, is your ipod the ipod video black? I need to know so I can point you at the correct charger.

Hold down the middle and menu buttons at the same time for about 10 seconds. this will restart the ipod.

hope this helps and good lcuk!
Jaxon

From Apple:

----------------------------
Connect your iPod to the primary computer you use it with (the first one iPod synced with), and open iTunes. When you disconnect iPod from the computer, it will no longer be locked. If you can't unlock iPod using either [the code or connecting it to the computer you use to manage its songs]. . . you can restore your iPod to factory settings using iPod Updater. Please note that this will erase all data on your iPod. Afterwards, you can add your music and data back to your iPod. If you want to change the primary computer that your iPod is associated with, do this: 1. Restore your iPod. Warning: The restore process cannot be undone. All of your songs and files will be deleted. Always make a backup of your important data. 2. Connect your iPod to the computer that you want to be the primary computer. 3. Open iTunes and synchronize.----------------------------

hold the menu and center button for 25 seconds.
That will reboot it without damaging your data.

ipod model n.:a1136 EMC no.:2065 softwear installaction

Start with these five simple solutions: Reset, retry, restart, reinstall, or restore…
www.apple.com/support/ipod/five_rs/