Updating razer copperhead firmware
Razer COPPERHEAD Driver, Firmware are listed for Razer COPPERHEAD Input Device.
At 640x480 and 125 FPS, you will most likely run into this problem.
The best workaround for this is using the On-the-Fly sensitivity (or via the Razer Control Panel) function on the mouse to reduce it to about 800 DPI.
For mice with surface calibration: If it still doesn’t work, your sensor may have been improperly calibrated when setting up surface calibration.
With the mouse plugged in and flat on your mouse mat, hold down the left click, right click, and mouse wheel button for 7 seconds to reset surface calibration.
Total 8 downloads for Driver, Firmware update can be downloaded from Open Drivers and installed for Windows driver, Windows 2000 driver, Windows 7 driver, Windows 98 driver, Windows ME driver, Windows Vista driver, Windows XP driver operating system to support and start your devices.