It worked fine all the time, but I just plugged in my Ipod and the"do not disconnect " sign come on and stayed on, run diagnostic :
Microsoft Windows Vista Home Premium Edition Service Pack 2 (Build 6002)
Hewlett-Packard HP Pavilion dv6700 Notebook PC
iTunes 10.1.0.56
QuickTime 7.6.9
FairPlay 1.10.14
Apple Application Support 1.4.1
iPod Updater Library 10.0d2
CD Driver 2.1.0.1
CD Driver DLL 2.1.1.1
Apple Mobile Device 3.3.0.69
Apple Mobile Device Driver 1.52.0.0
Bonjour 2.0.3.0 (214.3)
Gracenote SDK 1.8.2.457
Gracenote MusicID 1.8.2.89
Gracenote Submit 1.8.2.123
Gracenote DSP 1.8.2.34
iTunes Serial Number 124BB8A705D3CDDE
Current user is not an administrator.
The current local date and time is 2011-01-06 20:23:08.
iTunes is not running in safe mode.
WebKit accelerated compositing is enabled.
HDCP is not supported.
Core Media is supported.
Video Display Information
Intel Corporation, Mobile Intel(R) 965 Express Chipset Family
Intel Corporation, Mobile Intel(R) 965 Express Chipset Family
**** External Plug-ins Information ****
No external plug-ins installed.
Genius ID: 3c7b608fbbba7a9caf3913b5d47a0ac4
iPodService 10.1.1.4 is currently running.
iTunesHelper 10.1.1.4 is currently running.
Apple Mobile Device service 3.3.0.0 is currently running.
**** Device Sync Tests ****
No iPod, iPhone, or iPad found.
Can you please help