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Green circuit board with power button and ribbon cable

DELL

DELL Inspiron N5030 M5030 N4020 N4030 Power Button Board 42WHX accessory

SKU CH-1QN6-7YW8T

Replacement power-button board and ribbon cable for Dell Inspiron N5030, M5030, N4020 and N4030 laptops

  • Genuine Dell OEM part ensures exact fit for Inspiron N5030, M5030, N4020, N4030
  • Power button board with ribbon cable restores reliable on/off function
  • Part number 42WHX matches Dell service documentation for straightforward identification
  • New condition guarantees clean contacts and undamaged flex cable for immediate installation
  • Reference codes 50.4EM09.001 and JH 20101125 provide additional cross-check for technicians

Replacement Power Button Board

This Dell OEM board restores the on-off function on Inspiron N5030, M5030, N4020 and N4030 notebooks. It ships new with the ribbon cable attached and carries part number 42WHX. Fitment matches the original 50.4EM09.001 assembly.

For owners of the listed Inspiron models

The part suits anyone whose power switch has failed or whose ribbon cable has been damaged during a repair. Builders working on other Dell series or on non-Dell laptops cannot use this board.

Dell part number 42WHX

This identifier confirms compatibility with the four Inspiron models named above. If the sticker on the original board shows a different part number, this unit will not fit.

How it compares

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

Price $7.99
Cheaper than about 80% of the 8,808 comparable items (median $16.99).

Specifications

Product
Brand nameDell

Questions about this item

Will the 42WHX power button board fit my Inspiron N4020 alongside the existing palm-rest assembly?

Yes — the board is listed as compatible with the Inspiron N4020, N4030, N5030 and M5030 models.

How can I confirm the new 42WHX board is functioning after I install it?

Press the power button; the system should start up and the power LED should illuminate normally.

Does the 42WHX package include the ribbon cable or only the circuit board?

The supplier description states the item includes the power button circuit board and ribbon cable.

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