How do I force a Lenovo to reset?

How to do a “hard reset” on many laptops
  1. Power off your laptop.
  2. Disconnect AC adapter (if it’s connected).
  3. Take off the battery.
  4. Press and hold power button several time for several seconds each time.
  5. Release power button.
  6. Put in back the battery and reconnect AC.
  7. Power on.

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How do you do a hard reset on a tablet?

  1. Open Settings, and select System.
  2. Select Reset options.
  3. Select Erase all data (factory reset).
  4. Select Reset Phone or Reset Tablet at the bottom.
  5. You’ll be asked to confirm, select Erase Everything.
  6. Your device should reboot and may show a progress screen indicating that it is erasing the data.