Currently Being ModeratedOct 21, 2011 3:49 PM (in response to Pt1983)RE: Toneport KB37 - Dell Latitude E6400 - Reason x64 - popping/crackling
First, lets check you connections.
Make sure you are running directly into the computer's USB port. If the hub is present this can cause latency.
Also, is the output of the KB37 running back into the laptop's sound card?
Do you hear any latency when using headphones connected directly to the KB37?
Line 6 Customer Support
Currently Being ModeratedOct 25, 2011 2:38 PM (in response to Line6david)Re: RE: Toneport KB37 - Dell Latitude E6400 - Reason x64 - popping/crackling
http://line6.com/support/thread/73065 Here is a thread where a user had similar symptoms as you, and found that he had a configuration issue with his computer after reviewing our USB Audio Troubleshooting FAQ.
There are also a couple of computer optimization videos at http://line6.com/support/docs/DOC-2065