Logitech K780 Multi-Device Wireless Keyboard Repair

The Logitech K780 is a durable, compact multi-device wireless keyboard designed for everyday multitasking. It supports switching between up to three paired devices and features an integrated cradle to hold smartphones and tablets. The chassis is made with durable materials and incorporates recycled plastics in its construction. Key features include quiet, precise scissor-style typing and broad OS compatibility.

The Logitech K780 Multi-Device Wireless Keyboard includes Keyboard (M/N Y-R0061) and USB receiver (M/N C-U0007). Model labels are located as follows — Keyboard: on the underside product label; USB Receiver: printed on the flat face or side of the receiver housing near the USB plug. Each component carries its own model (M/N) and serial (S/N) identifiers.

• Form Factor: Full-size compact with integrated device cradle
• Layout: Full QWERTY with number pad (desktop-style key layout)
• Connectivity: Bluetooth (multi-device, pairs up to 3 devices). USB wireless receiver availability varies by SKU (see model numbers).
• Multi-Device Support: Switch between up to three paired devices via Easy-Switch keys
• Key Switches: Scissor-style (membrane) key mechanism; exact switch supplier/model not disclosed by Logitech
• Materials: Durable plastic chassis with recycled-plastic content noted on product page
• Model Numbers / SKUs: MPN 920-008149 (Dark Grey/Plain White, SKU 920-008149); MPN 920-008025 (Dark Grey/Speckled White, SKU 920-008025); Product ID: k780-multi-device-wireless-keyboard
• Colors: Dark Grey/Plain White; Dark Grey/Speckled White
• Battery: Replaceable batteries (exact battery type and runtime not specified on product page)
• Sustainability / Footprint: Logitech lists recycled-plastic use and reports a product carbon footprint metric on the product page

Common repair-relevant faults include dead batteries or power issues (swap batteries and verify power switch), wireless pairing/connectivity problems (re-pair via Bluetooth or verify USB receiver), and individual key failures due to debris or membrane damage (remove keycap, inspect for debris, test key matrix continuity). If internal damage is suspected, open the chassis to inspect the membrane/ribbon cable and PCB connections.

For additional troubleshooting help, visit: Visit support.logi.com and the K780 product support page for troubleshooting topics and contact options.

Warranty varies by region; check Logitech's warranty page for coverage and claim procedures.

• https://www.logitech.com/en-us/products/...
• https://support.logi.com/hc/en-us/articl...