Logitech G403 Wireless Repair

The G403 Wireless is a right-handed gaming mouse in Logitech’s G lineup that combines a lightweight shape with high-performance wireless technology. It uses durable ABS plastic construction with reinforced areas and PTFE glide feet, and features tactile mechanical primary switches and rubberized side grips for longevity. Key features include Logitech Lightspeed 2.4 GHz wireless connectivity, a precision optical sensor, programmable buttons, and an optional removable 10 g weight for balance tuning. The mouse charges and operates via a wired connection when needed, offering flexible use for gaming or desktop work.

The Logitech G403 Wireless can be identified by the model number (M/N NO-MN). The model label is on the G403 Wireless can be identified by its right-handed ergonomic shape and the model label on the underside of the mouse. The USB wireless receiver (Lightspeed dongle) has its model marking on the housing of the dongle or on the USB plug. This label lists the model (M/N), part (P/N), and serial (S/N) numbers.

• Form Factor: Right-handed ergonomic gaming mouse
• Connectivity: Logitech Lightspeed 2.4 GHz wireless; wired mode via detachable micro-USB cable
• Sensor: Logitech optical sensor (HERO-class/Logitech proprietary optical sensor; exact variant not listed on primary support page)
• Maximum DPI: Up to 12,000 DPI (configurable in Logitech G HUB)
• Primary Switches: Omron mechanical primary switches (Logitech-sourced Omron-style switches; exact model not specified on support page)
• Battery: Rechargeable internal battery — up to ~24 hours with RGB enabled (actual life varies by usage)
• Weight: Approximately 87 g (mouse) with an included removable 10 g tuning weight
• Feet: Low-friction PTFE glide feet for smooth tracking
• Buttons: 6 programmable buttons with onboard memory for profiles
• Charging/Interface: Micro-USB charging cable (included) and USB wireless receiver (Lightspeed)

Common repair-relevant faults include worn primary switches causing double-clicks, degraded battery capacity, and intermittent wireless connectivity. Diagnose double-clicks by testing switch actuation in software and inspect/swap switches; check battery voltage and try wired operation to isolate wireless issues; re-seat or replace the micro-USB cable and verify the USB receiver on another port/PC.

For additional troubleshooting help, visit: Visit Logitech Support (https://support.logi.com) for drivers, G HUB software, and contact options.

Limited hardware warranty varies by region (typically 1–2 years); check Logitech warranty lookup for your region.

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