Logitech G603 LIGHTSPEED

Frequently Asked Questions
 +Device does not appear in G HUB
If some features of G HUB do not appear to work correctly and restarting doesn't help, try this:
1. Go to Device Manager (WIN+PAUSE|BREAK).
2. Click on View at the top and view Devices by container.
3. Look for your device and expand it. You are looking for the name of the device, for
example, Logitech Pro X Gaming Headset, or Logitech G560 Gaming Speaker.
4. Right-click and select Uninstall Device.
5. Check Delete the driver software for this device and then click Uninstall.

Logitech G603 LIGHTSPEED Specifications

General

Sensor	HERO
Max. acceleration	40 G
Max. speed	400 IPS
USB report rate	1000 Hz (1ms)
Wireless report rate	1000 Hz (1ms)
Wireless technology	LIGHTSPEED Wireless
Microprocessor	32-bit ARM
Buttons	6
Battery type	2x AA
Onboard memory	Yes
Dimensions	124 x 68 x 43 mm
Color	Black
DPI	200 - 12, 000
Connectivity	USB receiver
Weight	88.9 g (without battery), 135.7 g (with battery)

Summary

G HUB Troubleshooting

Device Not Appearing in G HUB

Steps to uninstall a device from Device Manager to resolve G HUB detection issues.

G HUB Freezes During Loading

Procedure to end G HUB processes via Task Manager and restart the application.

Driver Management and System Updates

Reverting to Microsoft Drivers

Guide to restoring default Microsoft drivers for Logitech audio devices.

Updating to Latest Logitech Audio Driver

Instructions to update the audio driver to the latest Logitech version.

USB Device Issues After Windows 10 Update

Solution for USB device problems caused by specific Windows 10 updates.

Digital Signature Error on Windows 7

Resolving digital signature errors during LGS installation on Windows 7.

G603 Mouse Setup and Connection Modes

Installing Batteries

Step-by-step guide for installing AA batteries in the G603 gaming mouse.

USB (LIGHTSPEED) Mode Connection

Instructions for connecting the G603 mouse using the LIGHTSPEED receiver.

Bluetooth Mode Connection

Steps for pairing the G603 mouse with devices via Bluetooth.

G603 Mouse Features and Customization

LED Indicators on the G603 Mouse

Explanation of LED colors and their meanings on the G603 gaming mouse.

Customize Command Assignments

Guide to assigning custom commands and macros to mouse buttons using LGS.

Customize Pointer Settings

How to adjust pointer speed, DPI, and acceleration within Logitech Gaming Software.

Profile Management and Performance Tuning

Finding Game.EXE Files for Profiles

How to locate executable files for associating with game profiles.

Gaming Mouse Profile Stops Working

Addresses issues where game profiles cease functioning during gameplay.

Cursor Movement and Tracking Issues

Troubleshooting steps for erratic cursor movement, stuttering, or failure to track.

Mouse Connectivity and Functional Troubleshooting

Purchasing a New Mouse Receiver

Instructions on how to buy a replacement LIGHTSPEED receiver for your mouse.

Pairing to a LIGHTSPEED Receiver

Steps to pair a G gaming mouse with its LIGHTSPEED receiver.

Double-Clicks on Single Click

Troubleshooting steps to fix a mouse double-clicking when only clicked once.