36 Using the Keyboard and Touch Padw w w . d e l l . c o m | s u p p o r t . d e l l . c o mKey CombinationsSystem FunctionsDisplay FunctionsRadios (Including Wireless Networking)Power ManagementSpeaker Functions Opens the Task Manager window. Enables and disables the numeric keypad. Enables and disables the scroll lock. Switches the video image to the next display option.The options include the integrated display, an externalmonitor, and both displays simultaneously. and up-arrow key Increases brightness on the integrated display only(not on an external monitor). and down-arrow key Decreases brightness on the integrated display only(not on an external monitor). Enables and disables radios including wirelessnetworking. Activates a power management mode. You canreprogram this keyboard shortcut to activate a differentpower management mode using the Advanced tab in thePower Options Properties window. See "PowerManagement" in the Dell Inspiron Help file. To accesshelp, see "Finding Information" on page 9. Enables and disables the integrated speakers and externalspeakers (mute function), if attached. Decreases the volume of the integrated speakers andexternal speakers, if attached. Increases the volume of the integrated speakers andexternal speakers, if attached.
