– Turn on or restart your computer. Then, repeatedly press and release the F8 key until the AdvancedBoot Options window opens. Select Repair Your Computer, press Enter, and follow the instructionson the screen to choose the appropriate recovery solution.Note: For some keyboards, you might need to press Fn+F8 to open the Advanced Boot Optionswindow.• Use the Rescue and Recovery program to restore the storage drive from a backup, or restore the Cdrive to the factory-default settings.Notes:– Depending on your computer model, the Rescue and Recovery program might not be available unlessyou installed it manually earlier.– If you use the Rescue and Recovery program to restore the storage drive from a backup, ensure thatyou backed up your data earlier with the program.To use the Rescue and Recovery program, do one of the following:– Open the Rescue and Recovery program. See “Accessing a program on your computer” on page 16.For more information about using the program, refer to the help system of the program.– Open the Rescue and Recovery workspace.1. Turn off your computer. Press and hold the Enter key and then turn on the computer. Releasethe Enter key when Startup Interrupt Menu is displayed. Then, press F11 to open the Rescueand Recovery workspace.2. If the Rescue and Recovery workspace fails to open, use the rescue medium you created earlier toresolve the problem. Select the rescue medium as the startup device. See “Selecting a temporarystartup device” on page 42. When the rescue medium starts, the Rescue and Recovery workspaceopens. Follow the instructions on the screen.• Use the recovery medium you created earlier with the Create Recovery Media program to restore onlythe C drive or the entire storage drive to the factory-default settings.Note: To create a recovery medium, see “Good maintenance practices” on page 27.1. Select the recovery medium as the startup device. See “Selecting a temporary startup device”on page 42.2. Follow the instructions on the screen to choose the appropriate recovery solution.• Use the recovery disc set provided by Lenovo to restore the entire storage drive to the factory-defaultsettings.– If your computer comes with the recovery disc set, follow the instructions shipped with the disc set.– If your computer does not come with the recovery disc set, contact the Lenovo Customer SupportCenter to order a recovery disc set. See “Calling for service” on page 138.Recovery information for Windows 10To recover your Windows 10 operating system, use the following solutions:• Use Windows recovery solutions.– Use recovery solutions in Windows Settings.1. Click the Start button to open the Start menu.2. Click Settings ➙ Update & security ➙ Recovery.3. Choose the appropriate recovery solution by following the instructions on the screen.– Use System Restore to restore system files and settings to an earlier point.Chapter 6. Troubleshooting, diagnostics, and recovery 59