Logitech G309 LIGHTSPEED Repair

The G309 LIGHTSPEED is a wireless gaming mouse from Logitech designed for low-latency gameplay using LIGHTSPEED 2.4 GHz wireless technology. It offers programmable buttons, on‑board memory for profiles, and adjustable DPI settings for precise tracking. The shell is constructed from durable polymers with long‑life mechanical switches to withstand heavy use. Key features include LIGHTSPEED wireless connectivity, customizable controls via Logi Options+ (successor software referenced on Logitech support), and a compact ergonomic form.

The Logitech G309 LIGHTSPEED can be identified by the model number (M/N CU0021). The model label is on the top shell and a model/serial label on the underside of the mouse. This label lists the model (M/N), part (P/N), and serial (S/N) numbers.

• Form Factor: Right-handed gaming mouse, medium size (exact dimensions not specified on support page)
• Connectivity: LIGHTSPEED wireless (2.4 GHz) with USB receiver
• Sensor: Not specified on support page (Logitech proprietary gaming sensor; model not listed)
• DPI: Adjustable DPI (exact DPI range not specified on support page)
• Switches: Durable mechanical switches (manufacturer/model not specified on support page; Logitech mice commonly use Omron switches)
• On-board Memory: On-board profile storage supported (exact capacity not specified)
• Battery: Rechargeable internal battery (capacity and runtime not specified on support page)
• Buttons: Multiple programmable buttons including primary L/R, programmable side buttons, and scroll wheel button
• USB Receiver: LIGHTSPEED USB receiver (model/part number not listed on support page)
• Materials: Durable polymer shell and reinforced internal components (specific materials not detailed)
• Compatibility: Windows and macOS supported; configuration with Logi Options+ recommended

Common repair-relevant faults include wireless connectivity issues (receiver pairing or USB port problems), unresponsive or double‑clicking buttons (worn switches), and charging/battery faults. Diagnose by re-pairing the receiver, testing alternate USB ports and cables, updating or using Logi Options+ where available, and opening the mouse to inspect switch solder joints and battery connections when necessary.

For additional troubleshooting help, visit: Visit support.logi.com for product support, registration, and general troubleshooting guidance (Logitech Support page provided).

Refer to Logitech warranty information on support.logi.com for region-specific warranty terms; warranty claim process available via Logitech Support.

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