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Dell Vostro 3420 palmrest with backlit US International keyboard

DELL

DELL Vostro 3420 Palmrest Backlit Keyboard US Intl FWYYX

SKU CH-ZM4C-EQNST

Genuine Dell OEM palmrest assembly with backlit US International keyboard for Vostro 3420 laptops featuring discrete Nvidia graphics, USB-C port and display-mounted WLAN antennas

  • Genuine Dell OEM replacement ensures exact fit for Vostro 3420
  • Backlit US International keyboard includes currency symbols on the 4 and 5 keys
  • Palmrest assembly designed for models with USB-C port and discrete Nvidia graphics
  • WLAN antenna routing matches systems with antennas in the display assembly
  • Includes keyboard bracket for discrete graphics configuration GP3WF

Genuine Dell Vostro 3420 palmrest assembly

This is a genuine Dell OEM palmrest assembly with integrated backlit US International keyboard for the Vostro 3420 laptop. It matches systems equipped with discrete Nvidia graphics, a USB-C port and WLAN antennas routed through the display assembly. The part replaces Dell part numbers FWYYX, 1JV2M and GP3WF as a single unit.

Passive thermal design with no added power draw

The assembly contains no active cooling components and draws no electrical power beyond the keyboard backlight circuit. It adds no audible noise to the system and does not alter the laptop's existing thermal profile or battery consumption in any way.

Direct fit for specific Vostro 3420 configurations

Installation requires removing the existing palmrest and connecting the keyboard ribbon cable to the motherboard header. The USB-C cutout and antenna routing match only the discrete-graphics variant, so it will not align with models lacking the USB-C port or using chassis-mounted antennas. No additional brackets or cables are included.

Highlights

  • Genuine Dell OEM replacement ensures exact fit for Vostro 3420
  • Backlit US International keyboard includes currency symbols on the 4 and 5 keys
  • Palmrest assembly designed for models with USB-C port and discrete Nvidia graphics
  • WLAN antenna routing matches systems with antennas in the display assembly
  • Includes keyboard bracket for discrete graphics configuration GP3WF

Specifications

BrandDell

Questions about this item

How do I install the palmrest assembly on my Vostro 3420 and which step is commonly missed?

Remove the bottom cover, disconnect the battery, then detach the old palmrest cables. The step often missed is transferring the KB bracket GP3WF and the USB-C port bracket 1JV2M to the new assembly before securing it.

What maintenance or replacement will this palmrest keyboard need over time?

The backlit keyboard may develop uneven lighting or key-switch wear after heavy use. The palmrest surface can show cosmetic wear. Both are replaceable as a single assembly using part number FWYYX.

What limit appears first during sustained typing or backlight use?

Continuous maximum backlight brightness can cause the keyboard area to warm noticeably. The thermal limit of the discrete-graphics chassis is reached before the keyboard electronics throttle.

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