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Solve Power Puzzles in Resident Evil 4 Remake (RE4) by rotating the nodes to connect the power lines. Learn how to solve all Computer Power Puzzles or Electronic Locks in the game, solutions for Professional difficulty, where to find them, and their rewards!
List of Contents
| Jump to a Power Puzzle! | ||
|---|---|---|
| Dissection Room Power Puzzle | Freezer Power Puzzle | Waste Disposal Power Puzzle |
| Power Puzzle 1 Solutions | |
|---|---|
![]() Assisted/Standard Mode |
![]() Hardcore/Professional Mode |
The Power Puzzle requires rotating the nodes correctly to connect the power input to all lightning icons. You first encounter this on the Dissection Room on Chapter 13.
Note that the Power Puzzles vary depending on your playthrough difficulty.

Before you can access the first power puzzle, you need to direct the power to the Dissection Area by pulling the lever beside the screen south of the Dissection Area.
| Power Puzzle 2 Solutions | |
|---|---|
![]() Assisted/Standard Mode |
![]() Hardcore/Professional Mode |
The Power Puzzle in the Freezer is optional, but you can pick up a free LE 5 which is a good endgame SMG and will save you from spending pesetas.

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 by using the same lever on the south of the Dissection Area.
| Power Puzzle 3 Solutions | |
|---|---|
![]() Assisted/Standard Mode |
![]() Hardcore/Professional Mode |
Like other Power Puzzles, connect the power input to the lightning icons by rotating the nodes. You'll encounter this puzzle on Chapter 14 to unlock the gate with Ashley.

Completing the Dissection Room and Waste Disposal power puzzles lets you proceed further in Chapter 13 and Chapter 14 respectively.

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
| Map Location | In-Game Location |
|---|---|
![]() View Large Size |
![]() View Large Size |
| Map Location | In-Game Location |
|---|---|
![]() View Large Size |
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| Map Location | In-Game Location |
|---|---|
![]() View Large Size |
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| The Village Puzzles | ||
|---|---|---|
| Hexagonal Emblem Puzzle | Combination Lock Code | Crystal Marble Puzzle |
| Cave Shrine Puzzles | Hexagon Piece Locations | Church Stained Glass Puzzle |
| The Castle Puzzles | ||
| Four Swords Puzzle | Animal Gong Puzzles | Lithographic Castle Tile Puzzle |
| Crimson Lantern Puzzle | Courtyard Maze Puzzle | Headless Statue Puzzle |
| Serpent Head Location | Lion Head Location | Goat Head Location |
| Grandfather Clock Puzzle | Mausoleum Lamp Puzzle | - |
| The Island Puzzles | ||
| Power Puzzle Solutions | - | - |
How to Solve Power Puzzles and Electronic Locks

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