Quote:
Originally Posted by sbwtxj
The happening of the problem only lies in the system update process is canceled.
Now,
While I use a USB cable charging process, the power light is flashing.
Both the initial charge, and the initial boot, the screen is flashing white and black, and then there are the blank screen.
Through the USB cable to connect the computer, the computer can not find H2O DEVICE DISK.
So i can not use manual methods to restore factory Settings.
If anyone I encountered this kind of problem for KOBO aura H2O?
I must return to factory maintenance device?   
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You do not need to use the PC when doing a factory reset. And it can't initiated from the PC. You have to do it on the device.
There are three ways to initiate a factory reset on an Aura H2O:
- From the "Device information" screen of the settings. But, this means that the device has to be able to start and reach that point. Yours is not.
- If you restart the device four times and the Kobo system cannot be started (this is called "nickel"), it should start doing the factory reset. This means the device has to get to the screen with the five "dancing squares". Again, I don't think you are reaching that point.
- Using a sequence of the buttons and taps on the screen. Quokka quoted these steps above. Please try them. And every step is important.
And as I said before, if you can't do the above and get to the point where the device is running and the PC sees it, then the device is faulty. Take it back and get a replacement. There have been a few reports of problems like this.