Your Performance Mouse MX Unifying USB receiver can be connected to up to six Logitech mice or keyboards with the Unifying logo 
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To connect your additional Logitech mouse or keyboard to your Unifying USB receiver, do the following:
NOTE: The following instructions use Windows screenshots. Macintosh screenshots will look slightly different, but the instructions and messages are the same.
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Download Logitech Mouse and Keyboard software (SetPoint) if you do not already have it installed. You can download SetPoint from the Performance Mouse MX Downloads Page.
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Launch the Logitech Unifying Software:
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Windows: Start > Programs > Logitech > Unifying > Logitech Unifying Software
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Macintosh: Application / Utilities / Logitech Unifying Software
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The Welcome window will appear as shown below. Click Next:
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In order for the Unifying software to detect your device, you will need to turn it on. Follow the on-screen instructions (shown below) to turn your device on or off:
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When your device is detected, you will see a confirmation message as shown below. Click yes, then Next.
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Click Finish to exit the Logitech Unifying Software. Your device should now be connected.
Additional Information
If the above solutions do not resolve your problem, consult Knowledge Base article 12700 for instructions on contacting Logitech Technical Support.
Important Notice: The Firmware Update Tool is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Preference Manager is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Control Center is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Connection Utility is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Unifying Software is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The SetPoint software is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
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