Logitech Signature K650 Repair

The Signature K650 is a wireless office keyboard designed for all-day comfort with an integrated palm rest and deep-cushioned keys. It uses durable materials and is made with recycled plastic, and features a pill-resistant, easy-to-clean surface for extended life in shared workspaces. Key features include upgraded shortcut keys, multi-platform compatibility, and up to 36 months of battery life. Available in Off-white (SKU 920-010962) and Graphite (SKU 920-010908).

The Logitech Signature K650 can be identified by the model number (M/N CU0021). The model label is on the underside (Off-white: 920-010962; Graphite: 920-010908) and the "Signature K650" marking on the product page images. This label lists the model (M/N), part (P/N), and serial (S/N) numbers.

• Form Factor: Full-size wireless keyboard with integrated palm rest
• Layout: English US (QWERTY) — model variants listed as Off-white and Graphite
• Switch Type: Low-profile scissor-style (membrane) key mechanism; manufacturer/model not specified in product documentation
• Connectivity: Wireless (specific radio/receiver type not specified on product page)
• Battery Life: Up to 36 months (user-replaceable batteries; exact battery type not specified)
• Materials: Made with recycled plastic; pill-resistant and easy-to-clean finish
• Spill Resistance: Pill-resistant / easy-to-clean design (product copy highlights spill-resistance)
• Model Numbers / SKUs: Off-white: 920-010962; Graphite: 920-010908
• Compatibility: Designed for multi-platform use (Windows/macOS and common platforms); specific OS support not enumerated on page
• Backlighting: None (no backlit keys listed)

Common repair-relevant faults include non-responsive keys (often due to debris or failed scissor mechanisms), connectivity or pairing failures, and battery-related power loss. Diagnose by swapping/ replacing batteries, re-pairing with the host device or testing wired/alternate host, removing keycaps to inspect and clean debris or damaged scissor clips, and testing the USB receiver if applicable.

For additional troubleshooting help, visit: Refer to Logitech Support (https://support.logi.com) for product help, registration and troubleshooting articles for the Signature K650.

Warranty terms vary by region; check Logitech's warranty page via support.logi.com for region-specific coverage and claim instructions.

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