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Flat orange ribbon cable with multiple connectors for 14" touchscreen display

DELL

DELL 14" Touchscreen LCD Ribbon Cable 5NM91 for Inspiron 3421 5421

SKU CH-KR5A-QQNT1

Genuine Dell OEM 14-inch touchscreen LCD ribbon cable, part 5NM91, fits Inspiron 3421 and 5421 models

  • Typelaptop-computer-replacement-parts
  • Genuine Dell OEM part ensures exact fit
  • Restores touchscreen video on Inspiron 3421 and 5421
  • 14-inch ribbon cable matches original Dell part 5NM91
  • Direct replacement for part numbers C3PTH and 05NM91
  • Wistron DNE40 design with camera LVDS connectivity

Genuine Dell OEM 14" Touchscreen LCD Ribbon Cable

This is a genuine Dell OEM replacement ribbon cable designed for 14-inch touchscreen displays. It carries the Dell part number 5NM91 and is built to factory specifications. The cable restores the video and touch data link between the motherboard and the LCD panel.

Fits Inspiron 3421 and 5421 models with touchscreen

The cable installs inside the display assembly of Dell Inspiron 14 3421 and Inspiron 14R 5421 laptops equipped with a touchscreen. It replaces a damaged or faulty original cable to bring the screen back to full function. No other components are included in the package.

Passive component with no power draw or noise

As a passive flexible circuit, the ribbon cable draws no power and produces no heat or audible noise during operation. It simply transmits low-voltage signalling between the display and the system board. Reliability depends on correct routing and secure connector seating.

Highlights

  • Genuine Dell OEM part ensures exact fit
  • Restores touchscreen video on Inspiron 3421 and 5421
  • 14-inch ribbon cable matches original Dell part 5NM91
  • Direct replacement for part numbers C3PTH and 05NM91
  • Wistron DNE40 design with camera LVDS connectivity

Specifications

BrandDell
Typelaptop-computer-replacement-parts

Questions about this item

What touchscreen models does the 5NM91 ribbon cable fit?

The 5NM91 cable fits 14" touchscreen LCDs in Dell Inspiron 3421 and 5421 laptops, matching part numbers C3PTH, 0C3PTH and 05NM91.

How much heat does the 5NM91 cable generate during all-day use?

The 5NM91 ribbon cable is a passive video link; it carries the LVDS signal between the motherboard and the 14" touchscreen panel without drawing measurable power or producing heat.

Which existing screen assembly must the 5NM91 cable connect to?

The 5NM91 cable connects the motherboard to a 14" touchscreen LCD panel carrying the WISTRON DNE40 TOUCH CAMERA LVDS CABLE label (50.4XP09.011 / ICT-LANTO(BZ)).

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