How to Solve Power Puzzles and Electronic Locks

You can solve power puzzles in Resident Evil 4 Remake (RE4) by rotating each node to connect the power lines. Learn how to solve all power puzzles and electronic locks in the game, including the solutions for Professional difficulty, where to find them, and their rewards!

Power Puzzle Video Walkthrough

Power Puzzle Solutions

Dissection Room Power Puzzle

Power Puzzle 1 Solutions
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For every power puzzle, you'll have to rotate the nodes on the electronic lock switchboards and connect the power line toward each lightning symbol to unlock the door. The solution for Chapter 13's Dissection Room power puzzle depends on the difficulty of your playthrough.

Direct the Power to the Dissection Area

Before you can access the first power puzzle, you need to direct the power to the Dissection Area. You can do this by pulling the breaker beside the screen in the Dissection Area.

Freezer Power Puzzle

Power Puzzle 2 Solutions
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The Freezer power puzzle in Chapter 13 is optional and skippable, but you'll miss out on picking up a free LE 5. Like the Dissection Room puzzle, this electronic lock has two different solutions depending on the difficulty of your playthrough.

Redirect the Power to the Freezer Area

After getting the Level 1 Keycard from the Dissection Area, you'll have to redirect the power back to the Freezer to access the second power puzzle.

Waste Disposal Power Puzzle

Power Puzzle 3 Solutions
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Like the previous power puzzles, you'll need to connect the power line toward each lightning symbol to get past the Waste Disposal electronic lock in Chapter 14. This puzzle also has two different solutions depending on the difficulty of your playthrough.

Power Puzzle Rewards

Story Progression

Completing the Dissection Room and Waste Disposal power puzzles lets you proceed further in Chapter 13 and Chapter 14, making them necessary for story progression.

Walkthrough: All Chapters

LE 5 Submachine Gun (SMG)

While the Freezer power puzzle is optional, opening its electronic lock rewards you with the LE 5. This weapon is a solid SMG that has 5x Penetration as its Exclusive Upgrade, making it excellent for taking out groups of enemies.

LE 5 Location, Stats, and Upgrades

All Power Puzzle Locations

Chapter 13

Dissection Room

Map Location	In-Game Location
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Freezer

Map Location	In-Game Location
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Chapter 13 Walkthrough

Chapter 14

Waste Disposal

Map Location	In-Game Location
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Chapter 14 Walkthrough

Resident Evil 4 Remake Related Guides

List of All Puzzle Solutions

All Puzzles