How to Untangle and Fix Faux Wood Blind Cords

Faux wood blind cords tangle for a few reasons: rushed operation, cords dropped without being held, or the cord lock inside the headrail wearing out and letting cords slip out of position.

It looks worse than it is. In most cases, you won’t need to replace anything.

What You’ll Need

Tools

• Flathead screwdriver (small)
• Needle or thin skewer (for loosening tight knots)
• Step ladder or chair

Materials / Replacement Parts

• Replacement cord (matching diameter, usually 1.4mm or 1.8mm polyester lift cord)
• Cord conditioner or candle wax (optional, helps cords run smoothly after a fix)
• Replacement cord lock (only if the existing one is cracked or won’t grip)

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How to Fix It: Step-by-Step

Step 1: Lower the Blind and Find the Problem

Before you touch the tangle, take the tension off the cord system completely. Pull the lift cord to one side to release the cord lock, then lower the blind all the way to the sill.

• Hold the bottom rail and guide it down slowly rather than letting it drop
• Look at the cords running through the slats and trace them up to the headrail
• Identify whether you have a surface-level tangle (easy) or whether a cord has slipped off a cord guide or out of the cord lock (more involved)

If the cord has snapped rather than tangled, skip to re-threading below.

Step 2: Untangle the Cords Without Forcing Them

This is where most people make it worse. Pulling the ends apart tightens the knot. Work from the knot outward instead.

• Hold the tangle between two fingers and push cord into it from both sides to create slack
• Use a needle or thin skewer to open loops within the knot, working one layer at a time
• Once loose, let the cord run back through the slats by gravity rather than yanking it
• If two cords have wrapped around each other across multiple slats, start at the bottom rail and unwind them one slat at a time moving upward

Don’t cut the cord unless it’s genuinely beyond saving. A cut cord means a full re-thread job.

Step 3: Re-Thread the Cord if It’s Jumped Its Path

If untangling alone didn’t fix it and the blind still won’t raise properly, a cord has probably left its route through the slat holes or popped out of the headrail components.

• Remove the blind from its brackets by pressing the release tab and lifting the headrail clear
• Lay it face-down on a table or floor
• Check each slat: the lift cord should pass through the small hole on the right or left side of each slat (depending on your blind’s cord layout), looping under the ladder string at the base
• Re-thread from the bottom rail upward, feeding the cord through each slat hole in turn
• At the headrail, feed the cord back through its cord guide and into the cord lock

The cord lock itself is a small plastic or metal clip inside the headrail. It should grip the cord when the blind is raised and release when you pull slightly to one side. If it’s cracked or keeps slipping, replace it rather than working around it.

Step 4: Test the Raise, Lower and Lock

With everything re-threaded, rehang the blind in its brackets and test it before declaring it done.

• Raise the blind slowly, watching that the cords lift evenly on both sides
• Lower it and check the slats sit level with no gaps or bunching
• Pull the cord gently to the side to confirm the cord lock releases cleanly
• Let go of the cord mid-raise to confirm it holds position without slipping

If one side raises faster than the other, there’s still a cord length mismatch at the bottom rail. Remove the end cap on the bottom rail, pull the shorter cord through until both are even, then re-knot and replace the cap.