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Thin flat ribbon cable with small rectangular circuit board attached

DELL

DELL Inspiron 14 3451 3452 3458 Power Button Cable D9KF1

SKU CH-9GMM-6WW5W

Replacement power button board and cable for Dell Inspiron 14 3451, 3452 and 3458 laptops

  • Genuine Dell part ensures reliable power-on
  • Fits Inspiron 14 models 3451, 3452 and 3458
  • Part number D9KF1 matches original specification
  • New condition guarantees clean contacts and full function
  • Direct replacement for worn or damaged button cable

Dell Inspiron 14 Power Button Cable

This new OEM cable carries the power-button signal for Dell Inspiron 14 models 3451, 3452 and 3458. It restores the ability to turn the laptop on and off when the original ribbon has failed or been damaged during service. The part is a direct replacement for the factory-installed assembly.

Part Number D9KF1 Compatibility

The cable is identified by Dell part number D9KF1 and the on-board markings IRIS14 PWR and 450.03V02.1001. Matching these codes to the laptop’s service tag or the existing cable is the only way to confirm fitment before purchase.

Installation and Function

The ribbon plugs into the motherboard header and routes through the top case to the power button module, requiring partial disassembly of the palm-rest area. Once seated, it re-enables normal power cycling without additional configuration or drivers.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $4.99
Cheaper than about 90% of the 8,808 comparable items (median $16.99).

Specifications

Product
Brand nameDell

Questions about this item

Will the D9KF1 cable restore the power button function on my Inspiron 14 3452?

Yes, this D9KF1 cable is the exact replacement for the power button board on Inspiron 14 models 3451, 3452 and 3458.

Does the IRIS14 PWR connector match the motherboard header on a 3458?

The cable carries the IRIS14 PWR connector (part 450.03V02.1001) which plugs directly into the motherboard header on all three listed models.

What clearance is needed to route the cable inside the 14-inch chassis?

The flexible ribbon is designed to follow the original routing path within the 14-inch Inspiron lower case without additional clearance.

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