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Dell Precision 3550 15.6in FHD IPS Anti-Glare Non-Touch LCD Replacement Screen KFMYW
Genuine OEM Dell replacement LCD panel for the Dell Mobile Precision Workstation 3550 and compatible Latitude/Precision 15.6" platforms. Dell Part No. KFMYW / 0KFMYW. Features a Full HD 1920×1080 IPS anti-glare display with a 30-pin eDP connector — a direct plug-in replacement requiring no adapters or modifications.
Key Specifications at a Glance
- Full HD IPS Panel: 1920×1080 resolution with IPS technology delivers wide 178° viewing angles and consistent colour from any position — essential for accurate screen repair work and end-user productivity.
- Anti-Glare Matte Finish: Matte surface coating eliminates reflections and glare, matching the original display characteristic of the Precision 3550. Non-touch only — not compatible with touch-enabled chassis.
- OEM Dell Part Number: Sold under Dell DP/N KFMYW (also referenced as 0KFMYW / CN-0KFMYW). Panel is manufactured by Innolux (N156HCA-E5A) — the same supplier used by Dell for original production units.
- 30-Pin eDP Connector: Uses a standard 30-pin embedded DisplayPort (eDP 1.2) interface. The connector is located at the bottom-right of the panel. No adapter required for any of the listed compatible Dell models.
- Slim 3.2mm Profile: Ultra-thin 3.2mm panel depth fits flush within the Precision 3550 lid assembly without modification. Mounting rail compatibility verified for the Precision 3540/3541/3550/3551 chassis.
- Broad Dell Platform Compatibility: This panel is shared across multiple Dell Precision and Latitude 15.6" business platforms from 8th through 12th generation, making it a versatile stock-and-repair part for IT technicians.
Complete Panel Specifications
| Dell Part Number | KFMYW / 0KFMYW / CN-0KFMYW |
| OEM Panel Model | Innolux N156HCA-E5A (Rev. C1/C2/C3) |
| Screen Size | 15.6" diagonal |
| Resolution | 1920 × 1080 (Full HD) |
| Panel Technology | IPS (In-Plane Switching) — Wide Viewing Angle |
| Surface Finish | Anti-Glare (Matte) |
| Touch | Non-Touch only |
| Brightness | 220 nits (typical) |
| Colour Gamut | 45% NTSC |
| Refresh Rate | 60 Hz |
| Contrast Ratio | 800:1 (typical) |
| Response Time | 25 ms (Tr+Tf typical) |
| Viewing Angle | ±80° horizontal and vertical |
| Colour Depth | 6-bit (262,144 colours) |
| Connector Interface | eDP 1.2, 30-pin, 0.5mm pitch — Bottom Right |
| Panel Thickness | 3.2mm (max) |
| Outline Dimensions | 350.66mm (W) × 216.25mm (H) × 3.2mm (D) |
| Active Display Area | 344.16mm × 193.59mm |
| Panel Weight | 370g (max) |
| Backlight Lifetime | 15,000 hours (to 50% brightness) |
| Operating Temperature | 0°C to +50°C |
| Compliance | RoHS Directive 2011/65/EU compliant; BFR/PVC/As-free |
| Aspect Ratio | 16:9 |
Compatible Dell Models
The KFMYW panel is a shared platform part used across multiple Dell Precision and Latitude 15.6" business laptops. Verify your model before ordering.
| Precision (Mobile Workstation) | 3540, 3541, 3550, 3551, 3560, 3561, 3571 |
| Latitude | 5500, 5501, 5510, 5511, 5520, 5521, 3520 |
| Inspiron 15 | 5510, 5515, 5584 (verify connector before ordering) |
⚠ Critical Before Ordering:
Non-Touch models only. This panel uses a 30-pin eDP connector and is strictly for non-touch configurations. Touch-enabled models use a 40-pin connector and a different panel — these are not interchangeable. Fitting a non-touch panel to a touch chassis will result in a non-functional display.
Verify your connector pin count before ordering. Check the existing display cable in your laptop or your Dell service tag configuration to confirm non-touch.
OEM panel supplier may vary. Dell sources this panel from multiple manufacturers including Innolux (N156HCA-E5A), BOE (NV156FHM-N4H), and AU Optronics (N156HCA-E5A). The physical dimensions, connector, and performance specifications are identical across all OEM variants.
Installation Notes for Technicians
- Direct Plug-In Replacement: No adapter, cable modification, or BIOS change required. The eDP cable, mounting rails, and bezel from the original screen are all reused. Transfer the side mounting rails from the old panel if they are not included.
- Mounting Rail Screws: The display cable bracket is secured with two M2×3 screws. These are small and easily lost during disassembly — use a magnetic parts tray.
- Cable Seating is Critical: Ensure the 30-pin eDP connector is fully and squarely seated. A partially connected cable on this platform typically produces a completely blank screen (not a partial image), which can be mistaken for a faulty panel.
- Cross-Generation Fitment: The KFMYW panel fits across the Precision 3540 through 3571 series — the lid dimensions and eDP cable connector are consistent. Verified cross-generation swaps are a common part of workshop stock management.
- Service Manual: Dell's official Precision 3550 Service Manual documents the LCD assembly removal and installation procedure step by step, including torque specs for the hinge and bezel screws. Available free on Dell's support site.
Frequently Asked Questions
Will this screen fit my Dell Precision 3550?
Yes — provided your Precision 3550 has a non-touch display. The KFMYW is the standard OEM FHD non-touch panel for the Precision 3550. If your original screen is touch-enabled, this panel is not compatible. Check your Dell service tag or the existing display cable pin count (30-pin = non-touch, 40-pin = touch).
Do I need any special tools or cables to install this screen?
No additional cables or adapters are required. The existing 30-pin eDP display cable in your laptop connects directly to this panel. You will need a small Phillips-head screwdriver (PH0 or PH00) and a plastic pry tool to remove the display bezel. Dell's service manual for the Precision 3550 provides full step-by-step guidance.
Is this a genuine Dell OEM part?
Yes. This is sold under the genuine Dell part number KFMYW / 0KFMYW. The underlying panel is manufactured by Innolux (model N156HCA-E5A) — the same OEM supplier Dell uses in original production units. Dell sources this part from multiple OEM panel manufacturers; the displayed specs and physical dimensions are identical across all variants.
What if the screen is blank after installation?
A completely blank screen is most commonly caused by the eDP cable not being fully seated. Power down, carefully reseat the 30-pin connector ensuring it is square and fully clicked in, and retry before assuming the panel is faulty. Also confirm the display cable bracket screws are reinstalled, as a loose bracket can allow the connector to partially disengage.
Can this panel replace screens on other Dell models?
Yes. The KFMYW is a shared platform panel used across Dell Precision 3540–3571 and Latitude 5500–5521 series laptops. It is a versatile part for repair workshops servicing multiple Dell business laptop models. See the compatibility table above for the full confirmed model list.
Is this screen suitable for upgrading from a lower-spec panel?
Yes, provided the machine has a 30-pin eDP cable fitted. Some base-specification Precision 3550 units shipped with a TN panel — replacing with this IPS panel is a direct upgrade for colour accuracy and viewing angles. No driver or BIOS changes are required.
Warranty
This replacement LCD panel is covered by a 3-month warranty from Reboot IT against manufacturing defects and dead-on-arrival faults. The warranty covers panel defects including dead pixels (above manufacturer threshold), backlight failure, and connector faults under normal operating conditions.
Physical damage caused during installation, incorrect fitting to incompatible hardware (e.g. touch chassis), or damage from electrostatic discharge is not covered. We recommend handling the panel by its edges and using an anti-static mat during installation.
All warranty claims are handled directly by Reboot IT's support team. Contact us with your order number and a description of the fault.
| Aspet Ratio | 16:9 |
| Brand | Dell |
| Bundle Description | None |
| Colour | Black |
| Compatible Brand | For Dell |
| Compatible Model | Dell Latitude 3300 |
| Compatible Product Line | Dell Latitude |
| Custom Bundle | No |
| Display Technology | IPS LCD |
| Item Height | none |
| Item Length | none |
| Item Width | none |
| Manufacturer Warranty | 1 Year |
| Maximum Resolution | 1366x768 |
| Processor Model | Core i5-8250U |
| Screen Finish | Matt |
| Screen Size | 13.3 in |
| Type | Display |
| Item Weight | none |
Refurbished Computers - Cosmetic Grading Guide
Our supplier's refurbished hardware is typically graded either "Excellent" or "Good", however, some legacy products were graded under a letter grading system (A, B, C). Please find the definitions for each grade below and contact us if you're uncertain of a device's grade.
Used Smartphone / Refurbished Mobile Phones
"Excellent" Grade
Devices in this category appear like new, with very minor wear. Expect light or fine scratches on the screen that are shallow enough not to catch on a fingernail. The edge around the glass is virtually flawless, save for possible light scratching around the power port. The back plate may show light/fine scratches, including on the Apple logo, with any discoloration being minimal.
"Good" Grade
These devices are characterized by being fully tested and functional even if they have body scratches, minor paint chips, or a small hairline crack on the screen. Screens are free from dead pixels but may exhibit slight scratching from moderate use.
Refurbished Desktops, Laptops and Monitors
"Excellent" Grade - Laptops
Reserved for units that show barely any signs of previous use, these laptops may exhibit very minor scuffing or abrasions, associated only with minimal standard use. The keyboards show light wear, and importantly, the screens are pristine, free from any scratches, cracks, chips, dead pixels, dark spots, discoloration, or blemishes.
"Excellent" Grade - Desktops
Desktop PCs in the "Excellent" grade category are free from deep scratches, cracks, paint chips, or any broken/missing pieces, ensuring a sleek and almost-new aesthetic.
"Excellent" Grade - Monitors
"Excellent" grade is reserved for units that show evidence of very little to no previous use. Any wear on an "Excellent" Display, including housing/frame and/or external surfaces (i.e. Frame) is associated with standard minimal use. "Excellent" units may have minor scuffing and / or minor abrasions on plastics with from standard light previous use."Excellent" Displays will feature no scratches, cracks, chips, dead pixels, dark spots, discoloration or blemishes. Units will only feature the standard minimal wear and tear that is associated with a used unit.
"Good" Grade - Laptops
"Good" laptops may feature one or several small dings or dents on covers and / or small paint chips on the surface or small hairline cracks in the bezel. Laptop screens may feature uneven light diffusion in screen and may feature subtle blemishes. "Good" Laptops will not feature cracks screens but may feature slight scratching, dead pixels or white spots on the screen.
"Good" Grade - Desktops
"Good" grade desktops may have light scratches on external body and may feature more excessive unit housing and/or external case wear than "Excellent" units, including wear on case / lid. "Good" PCs may feature one or several small dings or dents on covers and / or small paint chips on the surface.
"Good" Grade - Monitors
Displays in the "Good" grade have been fully tested and are functional but may include scratches on body, small paint chips, minor cracks on body, loose and/or wobbly bases. "Good" Display screens may feature uneven light diffusion in screen and may feature subtle to moderate blemishes. "Good" Displays will not feature cracks on screens but may feature slight scratching on screen surfaces from moderate use or wear, dead pixels or white spots on the screen.
Legacy letter grading
Used Smartphone / Refurbished Mobile Phones
A Grade
- No chips, scratches or cracks on the front glass and housing
- No missing or alternative parts
- No sign of liquid damage
- Battery cannot be swollen
B Grade – Same as A Grade except:
- May have light scuffs but no chips or cracks
- Light scratches on housing or front glass
C-Grade – Same as B Grade except:
- Unlimited long shallow scratches on the front glass
- No chips or cracks on the front glass
- Unlimited scratches, chips/dents on back cover housing and corners
- Minor cracks allowed
- Customized housing and aftermarket covers allowed
Refurbished Desktops, Laptops and Monitors
A-Grade
- Overall excellent to very good cosmetic condition. Some may be pristine, others may have light scratches or minor blemishes
- Laptops may have some shiny areas around the keyboard such as the space bar, touchpad or touchpad buttons
- Keyboard keys will be in excellent condition
- Laptop and monitor screens will be blemish free
- Cosmetic blemishes will not impact the overall functionality or performance of the device
B-Grade
- Will have some cosmetic blemishes that include scratches and/or other imperfections
- Minor scratches and dents on the housing
- Laptops may have shiny keys or shiny surfaces around the keyboard however all characters will be legible
- Laptop and monitors screens will have imperfections such as minor scratches, minor chips and/or white spots. There will be no cracking on the screen
- Have the same warranty as A Grade
- Pricing will be cheaper than A Grade
C-Grade
- Same as B-Grade except may have unlimited scratches/blemishes on the screen
- May have cracks/chips or dents on the housing
- Have the same warranty as A Grade
- Pricing will be cheaper than B Grade










