PiPO M9 - Manual (Page 33)

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Select the USB driver in accordant with your PC system, the driver is
included in the “RK batch tool”. Then the PC will install the USB driver
automatically. After finishing USB installing, go back to upgrading
mode.
Note
If your PC is with Win7 or Vista system, it will not pop out the guide
leading you to install the driver, you get to install the driver in “My
Computer”.
1. Right click “My Computer”, select “Device Manager”
2. There will be an “Unknown Device” with an exclamation mark
appears
3. Right click the “Unknown Device”, select “renew driver software”
4. Load the USB driver included in the “RK batch tool” to install the
USB driver.
Note: Note: Note: Note: Do not turn on “USB Debugging” in the setting when upgrading
firmware.
5. When you finish the driver installation, you can come back to
upgrading procedures.