Astrum Replacement Laptop Keyboard for Dell N5040 – Black US
SKU: KBDLN5040-NB | Warranty: 12 months
Key Benefits
Exact OEM-compatible replacement for Dell Inspiron and Vostro series
Responsive scissor-switch keys with silent, stable typing feel
UV-printed legends resist fading and maintain crisp readability
Spill-resistant membrane adds protection against accidental moisture
Durable ABS construction built to withstand daily use
Module-only design for direct drop-in installation—no bezel required
Backed by a 12-month Astrum warranty for peace of mind
Technical Specifications
Feature Details
Layout US QWERTY (full-size, with numeric pad)
Key Mechanism Scissor-switch membrane
Keycap Finish UV-printed, soft-touch
Module Type Keyboard only (no surrounding bezel)
Colour Black
Connector Flat ribbon cable with ZIF lock
SKU KBDLN5040-NB
Warranty 12 months
Compatible Part Numbers
V119525BS1
X38K3 / 0X38K3
NSK-DX0SW
OX08K3
KBDLN5040-NB
Compatible Models
Dell Inspiron 14R N4110, M4110
Dell Inspiron N4050, M4040
Dell XPS X501L, X502L
Dell Inspiron 15 N5040, 15-N5040, 15-N5050, M5040 Series
Dell Inspiron 14 3420, 14R 5420
Dell Inspiron 15 3520, 15R 5520 SE
Dell Inspiron 14 SE 7420, SE 7520 Series
Dell Vostro 1440, 1450, 1550
Dell Vostro 3350, 3450, 3550, 3555
Dell Vostro V1440, V1450, V1550, V3350, V3450, V3550, V3555, V131
Installation & Care Tips
Power off the notebook and disconnect all power sources.
Remove the lower bezel or keyboard bezel to access mounting screws.
Unscrew and gently lift out the faulty keyboard module.
Insert the Astrum ribbon cable into the ZIF connector and lock it down.
Align the new keyboard in the chassis, then secure with screws or clips.
Reattach the bezel, reconnect power, and boot up to test all keys and the numeric pad.
Clean with a dry microfiber cloth; avoid harsh chemicals or excessive moisture.
What’s Included
1 × Astrum KBDLN5040-NB Replacement Keyboard (Black US Module)
1 × Quick-Start Installation Guide