Lenovo UNLOCK KEY HINT NUMBER password reset service:
 

Example code (from 1st listing picture) ->

Unlock Key Hint Number: [90326A26]
 
 
Just send us the UNLOCK KEY HINT NUMBER code (8-hex characters), and include a picture.
 
NOTE: A picture of code is necessary in order to prevent any time delay in case of a typing error.
 
With the password that you receive you will be able to gain access to Setup/BIOS options in your computer, you will be able to reconfigure and modify boot options, enable/disable hardware, among many other options inside Setup/BIOS.
As always, the computer manufacturer is your first best option.
 
 
Contact us ahead of time to receive a better response time. We will always try to respond within 20-30 minutes or less during work hours (US Central Time).
In a hurry? contact us first by sending a message.
 
 
You will be buying a Service and will receive information + instructions, there is no need to ship your computer to us.
 
 
Brief compatibility list:
ThinkPad 8 tablet
ThinkPad 10 tablet (Type 20C1, 20C3)
ThinkPad 10 tablet (Type 20E3, 20E4)
... other