Table 6. Realtek HD audio driversBefore installation After installationWLAN cardsNOTE: Qualcomm xxxxxx (for example :QCA61x4A) is a product of Qualcomm Technologies, IncSecure Boot screen optionsOption DescriptionSecure Boot Enable This option enables or disables the Secure Boot feature.• Disabled• EnabledDefault setting: Enabled.Expert KeyManagementAllows you to manipulate the security key databases only if the system is in Custom Mode. The Enable CustomMode option is disabled by default. The options are:• PK• KEK• db• dbxIf you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear. The options are:• Save to File—Saves the key to a user-selected file• Replace from File—Replaces the current key with a key from a user-selected file• Append from File—Adds a key to the current database from a user-selected file• Delete—Deletes the selected key• Reset All Keys—Resets to default setting• Delete All Keys—Deletes all the keysNOTE: If you disable the Custom Mode, all the changes made will be erased and the keys will restore todefault settings.Camera featuresThis laptop is shipped with front-facing camera with the image resolution of 1280 x 720 (maximum).NOTE: The camera is at the top center of the display.70 Technology and components
