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Genuine Dell Vostro 3420 palmrest keyboard assembly non-backlit UMA YK45C

DELL

DELL Vostro 3420 Palmrest Keyboard Assembly UMA YK45C laptop replacement part

SKU CH-QR78-H0XE6

Genuine Dell OEM palmrest and non-backlit keyboard assembly for Vostro 3420 laptops with Intel graphics, USB-C port and display-mounted WLAN antennas

  • Genuine Dell OEM part ensures exact fit for Vostro 3420
  • Designed for models with integrated Intel Graphics and USB-C port
  • WLAN antennas located in display assembly for correct connectivity
  • Includes non-backlit keyboard with UMA bracket DKJJV
  • Palmrest assembly NGNVC matches original factory specifications

Genuine Dell Vostro 3420 Palmrest Assembly

This genuine Dell OEM palmrest keyboard assembly is designed specifically for Vostro 3420 laptops equipped with integrated Intel graphics, a USB-C port and WLAN antennas routed through the display assembly. It serves technicians and owners who need an exact factory replacement for a damaged or worn top case section. The unit includes the palmrest, keyboard bracket and a non-backlit keyboard.

Sustained Use Reliability

As a structural and input component, this assembly maintains consistent key feel and chassis rigidity over extended typing sessions without the performance variance seen in active silicon parts. The fixed hardware layout ensures the USB-C cutout and antenna routing remain aligned throughout the laptop's service life. No thermal throttling or signal degradation occurs because the part contains no active electronics.

Thermals Noise and Power

The palmrest assembly draws no power and produces no noise, adding zero thermal load to the system during normal operation. Its passive construction means it neither requires cooling nor contributes to fan activity, leaving the laptop's original thermal profile unchanged. Installation simply restores the factory mechanical and electrical pathways.

How it compares

Measured against everything we stock in Laptop Repair Parts, at today’s prices. Recalculated every night.

Price $29.99
Cheaper than about 55% of the 1,151 comparable items (median $33.99).

Specifications

Product
Brand nameDell

Questions about this item

Will the non-backlit keyboard in this YK45C assembly run cooler than a backlit version during long typing sessions?

Yes, the non-backlit keyboard lacks LED lighting, so it generates less heat and uses less power during extended daily use.

Which Dell Vostro 3420 motherboard layout does this palmrest with USB-C port and UMA bracket DKJJV require?

It fits Vostro 3420 models equipped with integrated Intel graphics, the optional USB-C port, and WLAN antennas routed in the display assembly.

Can I keep my existing display assembly and WLAN antennas when installing this YK45C palmrest?

Yes, this part is designed for systems where the WLAN antennas remain in the display assembly, so your current screen and antenna cables are compatible.

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