The LED indicator will flash, and the mouse is ready to work. Adjusting DPI:

Plug the Nano receiver into a USB port on your PC. Windows or macOS should automatically detect it and install the necessary generic drivers. If Drivers Fail: Right-click the Start button and select Device Manager Mice and other pointing devices

Here is a guide to downloading drivers and setting up your device. 📥 ET D-09 Driver Download & Setup

Ensure the USB receiver is plugged in, the battery is fresh, and the mouse is switched on. Reconnection:

If the connection is lost, try re-plugging the Nano receiver. Uncontrollable Movement:

Because the D-09 is a plug-and-play device, a formal "driver download" file is usually not required. Automatic Installation:

Right-click your mouse (might be listed as HID-compliant mouse) and select Update driver Manufacturer Site:

Disclaimer: Some Eastern Times drivers might be difficult to locate on their official site, so rely on the automatic Windows update feature. Can't download mouse drivers from website : r/techsupport

If the mouse acts erratically, clean the optical sensor on the bottom.

Use the power button on the bottom to turn off the LED backlight. 🛠️ Troubleshooting Mouse Not Detected:

The Eastern Times (ET) D-09 is a popular 2.4G wireless optical mouse known for its 5-level adjustable DPI (800-2400) and LED backlighting. It is a plug-and-play device designed to work without specific drivers, but it requires a Nano receiver to connect.

Press the top button to cycle between 800/1200/1600/2000/2400 DPI. The LED flashes (1–5 times) to indicate the setting. Power Saving:

Take the wireless mouse and Nano receiver out of the package. Plug the Nano receiver into the USB port of your PC. Insert 1PCS AA battery into the mouse.

The mouse has an automatic sleep mode if not used for 8 minutes. LED Light Control: