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Green rectangular circuit board with silver connectors and black components

DELL

DELL Alienware 17 R1 18 R1 Junction Board MNJW7

SKU CH-E82J-1DW7G

Genuine Dell OEM junction circuit board for Alienware 17 R1 and 18 R1 laptops, part MNJW7

  • Genuine Dell OEM part ensures exact fit for Alienware 17 R1 and 18 R1
  • Mounted under the touchpad palmrest assembly to carry data signals between components
  • Replaces Dell part number MNJW7 and alternates LS-9338P and VAS00
  • Supports both Alienware 17 R1 and 18 R1 models with a single board
  • New condition guarantees reliable performance without wear or prior use

Genuine Dell OEM Junction Board

This is a genuine Dell OEM junction circuit board for Alienware 17 R1 and 18 R1 laptops. It carries the Dell part number MNJW7 and alternate references LS-9338P and VAS00. The board is a direct replacement for the original component.

Build Quality and Mounting

The board mounts on the underside of the touchpad palmrest assembly inside the chassis. As an OEM part it matches the factory layout and connector positions exactly. Installation requires disassembly of the palmrest to access the mounting location.

Critical Compatibility Constraint

This part fits only Alienware 17 R1 and Alienware 18 R1 models. It will not work in other Dell or Alienware laptops, including different generations of the 17 or 18 series. Buyers who need a junction board for any other model cannot use this part.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $6.99
Cheaper than about 99% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameDELL

Questions about this item

What interface does the MNJW7 junction board use for the touchpad connection?

The MNJW7 board carries the touchpad signal through a flexible printed circuit that plugs directly into the mainboard connector on Alienware 17 R1 and 18 R1 units.

What physical space does the MNJW7 board occupy inside the laptop?

The board mounts on the underside of the Touchpad Palmrest assembly and fits the exact cut-outs used on Alienware 17 R1 and 18 R1 chassis.

How is the MNJW7 board installed and which step is often missed?

Remove the palmrest, disconnect the old board ribbon, seat the MNJW7 replacement in the same orientation, reconnect the ribbon fully, then re-secure the palmrest screws.

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