This problem can be caused in different ways – forgetting your password and locking yourself out of the device, or just a software crash that wasn’t your fault. The solution is simple in concept but can be difficult in practice to execute.
Getting the ‘keep moving forward’ message indicates that you need to do what is called a factory reset. This will restore the device to the settings it had when it left the factory. If that sounds unpleasant, don’t worry – some users do it from time to time to keep their device clean and running as fast as possible. Although there are downsides like having to set everything up to the way you like it, your tablet PC is currently only useful as a doorstop or paperweight, so you have no choice but to do it!
Method 1 (works for most)
Push the power button while pressing the volume up button. The device will power off. Press the buttons again until the device turns on – you should see the Android logo. If it doesn’t work, keep trying. This is not an exact science, sadly. (In the video below, the video creator holds down the power button and clicks volume up three times. That seems to work, even though it shouldn’t.)
When the Android logo is on the screen, press power and click volume up one time. It should launch a menu that can be navigated using the volume up and down buttons. The power button will now act as the ‘enter’ key to make choices on the menu.
Choose ‘wipe data/factory reset’. Scroll down to ‘yes’ and select it.
The device will clean itself and reboot.
The gentleman in this video explains what to do:
There’s a method that mostly uses the home key. It requires some good timing, but hey! Android tablet PCs are good for gaming! Your reflexes should be pretty good now!
You hold the home button down until you see the boot-up menu (the startup screen) – when you see the Android logo let go of the button and – right away – let go and press it again. You should see an Android image.
Then hold the power button and push the volume keys, as in this video:
Hope that helps!