Help USB Mass Storage Not Working

[Dream Weaver]

Whenever I plug my phone in, it gives me the option to turn on USB storage; obviously I choose to do this but my device still does not appear in windows explorer.
I've tried restarting the phone and taking out and reinserting my SD card.

 

[dautley]

Did you install the LG USB drivers? Link below.
http://s3.amazonaws.com/lgforum.com...river_WHQL_ML_Ver_1.0_All_Win7.exe?1283438684