PiPO M8HD - Manual (Page 40)

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9.4 Instructions of Installing Rock chip USB driver
If you do the upgrading for the first time, please install the Rock chip USB
driver in accordant with the bellowing instructions.
If you are upgrading via your PC for the first time, it requires your PC to install
Rock chip USB driver, after your tablet entering into upgrading mode, it will
pop out a guide advising you that the PC finds new hardware. Select manually
install and then click ―next‖
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.