Originally Posted by chaley
It should be slow only once. Once it finishes the first (long) time, calibre keeps a copy of all the data it needs and can check very quickly.
Since I upgraded beyond 0.7.19 it's slow whenever connecting to my K2US. It mostly hangs for about 5 minutes [seems to hang]. It never took this long before and I only have about 20 books.
Would you please post the instructions the OP was trying to confirm? Thanks.