NDDA-W56... I can confirm that the LOADING.KWI file on CD with title 86271-V416A8 DOES NOT WORK !!
Contact me if you want to get a solution for "NDDA-W56"
You need a CD with Label "86271-60V440"
It has worked for me on 3 occasions!!!
I have wasted dozens of DVDs on the suggested 86271-V416A8 method, but it was all waste of time and efforts.