Writers’ blocks happen for a reason. They happen to warn you something is wrong. They happen to show you another direction or to warn you about faulty reasoning, story overloading, or lack of depth.
Writer’s blocks will express themselves differently depending on your genre.
Consider your genre and what you could add to go onto new grounds.
Consider the progression of the story.
- If you are telling a mystery, offer a new clue. Tiny details can make a huge difference in mysteries. Create red herrings. Simplify the plot. Make sure your clues are discovered in a logical manner. Write about the personal life of the inspector. Give a unique trait to your policeman or take one trait and make it cause problems.
- A thriller? Someone is spying on the hero or the hero gets lost in streets. Something off happens that should never happen. Maybe the hero enters a doughnut shop when he never eats doughnuts. Explain why? Maybe you need some down time for your heroes. Is too much happening? Make someone die.
- Contemporary? Maybe add a new subplot. Something weird has happened to someone the hero knows. Maybe your heroes need to go crazy a little, try something new, or do something adults won’t approve of.
- A romance? Add another trial to the heroes’ love. Trials can come from outside or come from inside. In many romance subgenres (historical or paranormal) you must provide a lot of world-building. Wander off a page or two (no more) into the world, but keep the love story central. Maybe there will be a chance encounter or a clue to the world around the heroes that the hero had not realized yet. Convey physical attraction. Your heroes are attracted to each other and they also dream of having this physical connection. Maybe write the hero dreaming of the moment they will touch the beloved. Figure out where they are in their relationship. There is a progression in romance: first the eyes meet, then they talk, then they touch hands, and so on and so forth. Keep the contact growing more intimately. Find ways to provoke a physical encounter, even if it is kept innocent. Maybe also there has been too much of that, so find a way to keep the lovers away from each other. Describe how they fell.
- A scifi novel? Raise the stakes. What could happen that would make the situation even more edgy, dangerous, crucial? What new tech could be introduced that makes sense in your world? Maybe a new tech is used in a new way or maybe you forgot to explore another aspect of your world you only mentioned once? Think about spatial sports, galaxies sightseeing, weird prisons, resources you didn’t think of, or planet to planet highways.
If that doesn't work, take a walk, watch a movie or a series in your genre, or start a new novel. Novel writing takes a lot of maturing.