Start working on something small and easy that's related to the thing you're actually trying to accomplish, and that'll help swap the broader context into your

Start working on something small and easy that's related to the thing you're actually trying to accomplish, and that'll help swap the broader context into your head that you need to work on the larger problem. Break the larger problem down into tiny little pieces that are easy to accomplish. Put them in a list. Pick off the easy items first each time you're trying to get started.