Lenovo ThinkPad 8 (English) User Guide - Page 40

- To perform a quick format, tap Just remove my files to start the process. The process will take several minutes. - To perform a complete format, tap Fully clean the drive to start the process. The process will take several hours. 7. Follow the instructions on the screen to reset your tablet to the factory default settings. • Using a USB recovery key provided by Lenovo: To obtain a USB recovery key, contact the Lenovo Support center. Shipping and handling fees apply. For a list of the Lenovo Support phone numbers for your country or region, go to http://www.lenovo.com/support/phone or refer to the Safety, Warranty, and Setup Guide that comes with your computer. Note: Use a USB recovery key to reset your tablet to the factory default settings only when the recovery application fails to reset your tablet. 1. Fully charge your tablet to ensure that there will be no power interruption during the recovery process. For instructions on how to check the battery status, refer to "Checking the battery status" on page 20. 2. Turn off the tablet, wait for about five seconds, and then connect the USB recovery key to the micro USB 3.0 connector of your tablet by using the ThinkPad Micro USB 3.0 to USB 3.0 cable. Note: The ThinkPad Micro USB 3.0 to USB 3.0 cable is provided for some tablet models. If you do not find such a cable in your product package, you can purchase it from http://www.lenovo.com/essentials. 3. Press and hold the power button together with the volume-up button at the same time to enter the ThinkPad Setup program. 4. Tap Startup. On the Boot submenu, drag USB CD/DVD: upward until USB CD/DVD: is shown as the first startup device. 5. Tap Save, and then tap Yes to save your configuration. 6. Tap Restart and follow the on-screen instructions to restart the tablet. After the tablet restarts, the recovery program opens automatically. 7. Select the language you prefer in the drop-down list box and click Next. 8. Follow the on-screen instructions to reset your tablet to the factory default settings. Using the advanced startup options With the advanced startup options, you can change the firmware settings of the tablet, change the startup settings of the Windows operating system, start the tablet from an external device, or restore the Windows operating system from a system image. To use the advanced startup options, do the following: 1. Swipe in from the right edge of the screen to display the charms. 2. Tap Settings ➙ Change PC settings. 3. In the navigation panel, tap Update and recovery ➙ Recovery. 4. In the Advanced startup section, tap Restart now ➙ Troubleshoot ➙ Advanced options. 5. Select a desired startup option, then follow the instructions on the screen. Recovering your operating system if Windows 8.1 fails to start The Windows recovery environment on your tablet is capable of operating independently from the Windows 8.1 operating system. This enables you to recover or repair the operating system even if the Windows 8.1 operating system fails to start. 32 User Guide