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Small rectangular Dell power button cap, matte black finish

DELL

DELL G Series Power Button Cap 864MK for G5 5590 G7 7590

SKU CH-CPTN-V1WJR

Genuine Dell OEM power button cap for G Series G5 5590 and G7 7590 palmrest assemblies

  • Genuine Dell OEM part ensures exact fit and finish
  • Replaces worn or damaged power button cap on palmrest
  • Compatible with G5 5590 and G7 7590 models
  • Also fits G3 3579, G7 7790, G3 3590, G3 3500, G5 5500
  • Part number 864MK for precise identification and ordering

Genuine Dell OEM Power Button Cap 864MK

This genuine Dell OEM power button cap carries part number 864MK and fits the G Series G5 5590 and G7 7590 laptops. It replaces the cap on the palmrest assembly for owners of those specific models.

Simple press-fit replacement on the palmrest

Installation is a straightforward press-fit onto the existing power button stem. The main risk is applying uneven force, which can crack the fragile plastic cap or damage the underlying switch.

For Dell G Series owners needing an exact palmrest

This part suits buyers who need an exact-match replacement for a worn or missing cap on the listed G Series models. It is not for users with other Dell series, different G Series chassis, or external keyboard power buttons.

How it compares

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

Price $3.99
Cheaper than about 93% of the 8,808 comparable items (median $16.99).

Specifications

Product
Brand nameDell

Questions about this item

How can I confirm the 864MK power button cap is seated correctly after fitting it?

Press the button; it should click cleanly, spring back and power the laptop on without sticking.

What comes in the package and is any extra hardware needed?

Only the single 864MK cap is supplied; no screws, tools or adhesive are included or required.

Which Dell G-series models use the 864MK cap so I pick the right one?

The cap fits G3 3579, G3 3590, G3 3500, G5 5590, G5 5500, G7 7590 and G7 7790.

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