how to reset lenovo 8 tablet back to factory out of box settings and delete all personal info?

Follow this Instruction 

Using Push-button reset

push button reset can be launched using one of the following methods.

Power button + Volume up button:

- Shut down the table and wait at least five seconds.

- Press and hold the volume up button (+) and then press the Power button ( *) until the Novo Button menu in the screen.

Windows PC setting

windows Pc setting- General- Advanced starup-select Restart Now,

Setting charm:

- Select Power.

Press and hold the Shift key while selecting Restart.

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How to determine my Driver Version in Windows 8, or Windows 7

This document is created to guide user on how to find the device driver version in Windows 8 or Windows 7.

Solution

Device driver information is located within “Device Manager”, and “Device Manager” is located within “Control Panel”.

For Windows 8: Begin at Step 1, and skip Step 2.

For Windows 7: Begin at Step 2.

    Open the “Control Panel” App by typing “Control Panel”. The Apps results for Control Panel should appear. Select Control Panel App. For more information on “Control Panel” go to Microsoft Support: Windows 8: Where is Control Panel?

    Go to Windows Start  button and choose Control Panel.

    Type “Device Manager” in the top right search box which says “Search Control Panel

    Choose “Device Manager” as shown in the screenshot below:

    Expand the respective component driver which you would like to check and double click on the driver:

    Example of the pop will appear as shown below. Go to “Driver” tab and you will see the “Driver Version”.

    Compare your driver’s version with the Driver Matrix.