Used Dell Inspiron 15 7557 7559 5577 5576 Touchpad SA4790

Used Dell Inspiron 15 Laptop Touchpad – SA4790 / CN-SA4790

Restore full trackpad functionality to your Dell Inspiron 15 laptop with this genuine used touchpad module (part number SA4790 / CN-SA4790). Designed as a direct-fit replacement for Dell Inspiron 15 models 7557, 7559, 5577, and 5576, this component offers a cost-effective way to get your laptop's cursor control back to smooth, responsive operation without paying full retail price for a brand-new part.

Key Features

• Compatible Models: Dell Inspiron 15 7557 · 7559 · 5577 · 5576
• Part Numbers: SA4790, CN-SA4790
• Condition: Used / Pulled — inspected and functional
• Direct-Fit Replacement: OEM-style connector and mounting points for straightforward installation
• Smooth Tracking Surface: Multi-finger gesture support retained for everyday navigation
• Cost-Effective: Genuine Dell part at a fraction of new-part pricing

What's in the Box

• 1 × Used Dell Inspiron 15 Touchpad (SA4790 / CN-SA4790)

Installation Tips

This touchpad is designed for DIY repair technicians and experienced users comfortable with laptop disassembly. Power down and unplug your laptop before starting. Disconnect the battery, remove the bottom panel, and carefully detach the ribbon cable before swapping the module. Always consult your model's service manual for detailed step-by-step guidance.

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Frequently Asked Questions

Q: Which Dell Inspiron laptop models is the SA4790 touchpad compatible with?

A: The SA4790 / CN-SA4790 touchpad is a direct-fit replacement for the Dell Inspiron 15 7557, 7559, 5577, and 5576 laptop models. Please verify your model number before ordering to ensure compatibility.

Q: What condition is this touchpad in?

A: This is a used / pulled component sourced from a working laptop. Each unit is inspected for functionality. Minor cosmetic marks may be present, but electrical and tracking performance is intact.

Q: Can I install the Dell Inspiron SA4790 touchpad myself?

A: Yes — this is a DIY replacement part. Users comfortable with basic laptop disassembly can install it by removing the bottom panel, disconnecting the original ribbon cable, and snapping the new module into place. We recommend consulting the official Dell Inspiron service manual for your specific model number before beginning any repair.

Q: Is this an OEM genuine Dell part?

A: Yes, the SA4790 / CN-SA4790 is a genuine Dell OEM part number, pulled from an original Dell Inspiron 15 unit — not a third-party aftermarket replica.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.