The Logitech G305 LIGHTSPEED Wireless Gaming Mouse is beloved for its high-precision HERO sensor, 1ms response time, and battery efficiency. But even the best hardware can face issues. Many users report problems like unresponsive buttons, side buttons not working, or scroll wheel problems.
In this complete guide, we cover practical fixes, maintenance tips, and real-life case studies to help answer:
“Why is my Logitech G305 mouse not working?”
🔍 Common Logitech G305 Issues
Before diving into solutions, here are the most common problems:
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Logitech G305 scroll wheel not working or skipping
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Side buttons not responding during gameplay or productivity tasks
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Left/right click not registering
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Double-click instead of single-click
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Mouse completely unresponsive
These may stem from software conflicts, outdated firmware, hardware degradation, or even dust build-up.
✅ Initial Checks Before Troubleshooting
A. Test on Another Computer
Try the G305 on a second device to rule out OS or driver issues.
B. Replace the Battery
Use a new AA battery. Low power often causes lag or disconnection.
C. USB Extension or Receiver Placement
Use a USB extender to bring the receiver closer to the mouse and reduce interference.
D. Update Logitech G HUB
Check for software and firmware updates in the Logitech G HUB.
🛠 Step-by-Step Troubleshooting for G305 Mouse Issues
Step 1: Clean the Mouse
Fixes: Sticky scroll, unresponsive clicks
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Power off and remove battery
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Use compressed air to clean around the scroll wheel and buttons
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Use 90%+ isopropyl alcohol and a microfiber cloth to wipe gently
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Clean under side buttons with a toothpick or cotton swab
Step 2: Check for Firmware Updates
Open G HUB → G305 → Settings → Update Firmware
Restart the mouse after updating.
Step 3: Re-Pair the Device
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Remove USB receiver
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Turn G305 off and on
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Plug receiver into a different port
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Reconnect in G HUB
Step 4: Reset to Default Settings
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Go to G HUB → Onboard Memory
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Remove all custom profiles
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Test each button and scroll function under default
Step 5: Reassign Buttons in G HUB
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Go to Assignments
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Check for proper mapping
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Reassign any malfunctioning buttons to default commands
🔧 Advanced Fixes for Persistent Issues
A. Use a Different Profile
Some profiles may be corrupted. Try switching to another saved profile.
B. Use Diagnostic Tools
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MouseTester or AquaKeyTest to check click registration
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Confirms whether clicks are detected by the OS
C. Reinstall Logitech G HUB
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Uninstall G HUB completely
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Restart your system
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Download fresh from Logitech’s website
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Test again
D. Open and Repair (For Advanced Users Only)
⚠️ Warning: This voids warranty.
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Open mouse with precision screwdriver
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Inspect Omron switches under buttons
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Replace worn-out switches
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Reassemble carefully
📚 Case Studies: Real-World Fixes from G305 Users
🧑💻 Case Study 1: Side Buttons Not Working During Productivity Tasks
User: Miguel, software engineer
Problem: Logitech G305 side buttons stopped responding in VS Code
Fix:
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Opened G HUB
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Found macro had overwritten default side button action
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Reassigned side buttons → “Back” and “Forward”
Result: Buttons worked instantly after remap
🎮 Case Study 2: Logitech G305 Scroll Wheel Problem in Games
User: Rachel, casual gamer
Problem: Scroll wheel skipping or not scrolling in Apex Legends
Fix:
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Cleaned scroll wheel with compressed air and alcohol
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Updated firmware in G HUB
Result: Smooth scrolling restored without opening the mouse
🔌 Case Study 3: Logitech G305 Mouse Not Working at All
User: Tom, remote worker
Problem: G305 not connecting, cursor not moving
Fix:
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Switched USB port and changed AA battery
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Re-paired mouse in G HUB
Result: Full functionality restored in under 5 minutes
Preventive Maintenance Tips
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Clean the scroll wheel and buttons monthly
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Replace batteries every 2–3 months to prevent erratic behavior
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Store mouse in a padded case when traveling
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Avoid using the mouse near microwaves, routers, or high-RF interference devices
Final Thoughts
Whether you’re dealing with the Logitech G305 scroll wheel problem, side buttons not working, or wondering why your G305 mouse isn’t working, these steps should restore performance quickly.
Don’t rush to replace the device—90% of these issues are fixable with a bit of cleaning, a fresh battery, and a firmware refresh.
FAQs
Q1: Why is my Logitech G305 mouse not working?
Try a new battery, another USB port, and test on a different device. If unresponsive, re-pair in G HUB or update firmware.
Q2: What causes the Logitech G305 scroll wheel problem?
Dust buildup, misalignment, or worn scroll wheel encoders. Clean first, then consider firmware or internal inspection.
Q3: Why are my Logitech G305 side buttons not working?
They may be remapped in G HUB or blocked by a custom profile. Reset to default or reassign manually.
Q4: Is Logitech G305 suitable for long-term gaming?
Yes, rated for over 10 million clicks. Just clean and maintain it regularly.
Q5: Can I use the G305 without Logitech G HUB?
Yes, the mouse works with onboard memory profiles, but G HUB is required for DPI tuning and firmware updates.