38OperationUseful InformationWindows/Antivirus ProtectionDepending on the settings in Windows, installed applications, drivers, menus and otherdisplays may be inoperable.In some cases, certain functions, such as the password reset disk (Î page 21), maynot operate. In this case, refer to the items below, and the applied items from the prob-lem-solving section of this manual and onscreen Reference Manual, Windows Help(Î page 12), and the software application and driver’s operating instructions, etc.Change the Way Users Log on or offIf the checkmark is added for [Use the Welcome screen] or [Use Fast User Switching]in [start] - [Control Panel] - [User Accounts] - [Change the way users log on or off], theoperation differs as follows.Use the Welcome screenThe operations when starting up or shutting down Windows differ depending onwhether this item has a checkmark or not.• At the time of purchase, it is set with the checkmark added.• When [Use when logging on to Windows] is set in [SD Card Setup] (Î “SD Mem-ory Card Security Function” in the onscreen Reference Manual), the Welcomescreen cannot be used.Use Fast User SwitchingWhen adding the checkmark for this setting, you can change to another user withoutlogging on again when multiple users use the computer.This manual explains the procedure for cases where the checkmark is added.In the following case, Fast User Switching cannot be used.z When the checkmark is not added for [Use the Welcome screen]z When joining the network domainz When the [Use when logging on to Windows] is set in [SD Card Setup] (Î “SDMemory Card Security Function” in the onscreen Reference Manual)Depending on the software application, the computer may not work properly if this func-tion is used.When switching to a different user with the Fast User Switching function, it may not bepossible to set the display settings. In this case, log-off all users, and retry the opera-tion.Windows