MiTAC Mio C250 hard reset
Resetting Your System Soft reset
Occasionally, you may need to reset your device. For example, you should reset your system when it stops responding; or appears to be “frozen” or “locked up.” Try to restart your device by pressing the power button and tap Restart. If this doesnot work, press the power button for 6 seconds to shut down press the power button for 6 seconds to start up the device.2 Power Button Turns on and off the device.
Tap Restart if you want to restart the device because of software failures.