72Notebook PC E-Manual• Go back to an earlier build - This option allows you to go backto an earlier build. Use this option if this build is not working foryou.• Advanced startup - Using this option allows you to performother advanced recovery options on your Notebook PC such as:- Using a USB drive, network connection or Windows recoveryDVD to startup your Notebook PC.- Using Troubleshoot to enable any of these advancedrecovery options: System Restore, System Image Recovery,Startup Repair, Command Prompt, UEFI Firmware Settings,and Startup Settings.Performing a recovery optionRefer to the following steps if you want to access and use any of theavailable recovery options for your Notebook PC.1. Launch Settings and select Update and security.