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Green circuit board with LED and ribbon cable for Dell Vostro 3700 power button

DELL

DELL Vostro 3700 LED Power Button Circuit Board Ribbon accessory

SKU CH-BJN6-3ZT5W

Power button and LED circuit board with ribbon cable for Dell Vostro 3700 laptops

  • Genuine Dell replacement part for Vostro 3700
  • Restores power-on and LED function with DW70 board
  • Includes integrated ribbon cable for direct motherboard fit
  • New OEM component matching 50.4RU03.001 specification
  • Exact-fit repair for faulty power button assembly

Dell Vostro 3700 Power Button Board

This replacement circuit board includes the LED power button assembly and ribbon cable designed specifically for the Dell Vostro 3700 laptop. It restores the primary power-on and power-off function when the original board fails. The part matches Dell part numbers DW70 and 50.4RU03.001 for direct compatibility.

Installation Notes for Ribbon Cable

Installation requires partial disassembly of the laptop chassis to access the power button area near the hinge. The ribbon cable is fragile; creasing or tearing it during routing is the most common error. Ensure the connector locks securely on the motherboard side before reassembling the top case.

Sustained Use Reliability

The board handles repeated daily power cycles without degradation of the tactile switch or LED indicator. Heat from nearby components does not affect the low-voltage switching circuit during extended sessions. No active cooling or firmware interaction is involved, so long-term behaviour remains consistent.

Highlights

  • Genuine Dell replacement part for Vostro 3700
  • Restores power-on and LED function with DW70 board
  • Includes integrated ribbon cable for direct motherboard fit
  • New OEM component matching 50.4RU03.001 specification
  • Exact-fit repair for faulty power button assembly

Specifications

BrandDell

Questions about this item

How can I verify the LED power button board is working after installing it in my Vostro 3700?

Press the power button; the LED should illuminate and the laptop must start up normally, confirming the circuit board and ribbon cable are functioning correctly.

What components are included with this Dell OEM Vostro 3700 LED Power Button Circuit Board Ribbon?

The package contains the power button circuit board, the LED circuit board, and the connecting ribbon cable as a single assembly ready for installation.

Which Dell Vostro model does part number 50.4RU03.001 or DW70 fit?

Both part numbers 50.4RU03.001 and DW70 are compatible only with the Dell Vostro 3700 laptop series.

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