HP 421 Notebook-PC - Manual (Page 6)

Cannot connect to a preferred network ............................................................................. 23
Network status icon is not displayed .................................................................................. 23
Current network security codes are unavailable ................................................................ 23
WLAN connection is very weak ......................................................................................... 24
Cannot connect to the wireless router ............................................................................... 24
Using the modem (select models only) .............................................................................................. 25
Connecting a modem cable (purchased separately) ......................................................... 25
Connecting a country-specific modem cable adapter (purchased separately) .................. 26
Selecting a location setting ................................................................................................ 26
Viewing the current location selection ............................................................... 26
Adding new locations when traveling ................................................................ 27
Solving travel connection problems .................................................................. 28
Connecting to a local area network (LAN) .......................................................................................... 29
3 Pointing devices and keyboard ................................................................................................................... 30
Using pointing devices ....................................................................................................................... 30
Setting pointing device preferences ................................................................................... 30
Using the TouchPad .......................................................................................................... 30
Connecting an external mouse .......................................................................................... 30
Using the keyboard ............................................................................................................................ 30
Using hotkeys .................................................................................................................... 30
Displaying system information .......................................................................... 32
Opening Help and Support ................................................................................ 33
Decreasing screen brightness ........................................................................... 33
Increasing screen brightness ............................................................................ 33
Switching the screen image .............................................................................. 33
Initiating Sleep (fn+f5) ....................................................................................... 34
Initiating QuickLock (fn+f6) (select models) ...................................................... 34
Launching Web browser (fn+f7) (select models) ............................................... 34
Launching printer (fn+f8) (select models) .......................................................... 34
Muting speaker sound (fn+f7) (select models) .................................................. 34
Decreasing speaker sound (fn+f8) (select models) ........................................... 34
Increasing speaker sound (fn+f9) (select models) ............................................ 35
Playing the previous track or section of an audio CD or a DVD (fn+f10)
(select models) .................................................................................................. 35
Playing, pausing, or resuming an audio CD or a DVD (fn+f11) (select
models) ............................................................................................................. 35
Playing the next track or section of an audio CD or a DVD (fn+f12) (select
models) ............................................................................................................. 35
Using the embedded numeric keypad ................................................................................................ 36
Enabling and disabling the embedded numeric keypad .................................................... 36
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