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service-manual-Acer-TravelMate-420


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Left Panel




       #     Icon            Item                    Description
       1            Power jack         Connects to an AC adapter.




       2            Security keylock   Connects to a Kensington-compatible
                                       computer security lock.

              K




8                                                                            Chapter 1
Right Panel




            #   Icon              Item                        Description
            1          USB port                Connects to Universal Serial Bus devices
                                               (e.g., USB mouse, USB camera).


            2          Line-in/Mic-in jack     Accepts audio line-in devices (e.g., audio
                                               CD player, stereo walkman). Selection is
                                               through the OS Windows mixer.

            3          Speaker/Headphone-      Connects to audio line-out devices (e.g.,
                       out jack                speakers, headphones)



            4          Modem jack              Connects to a phone line




            5          IEEE 1394 port          Connects to an IEEE 1394 device.




            6          PC card eject buttons   Eject the PC Card from the slot.
            7          PC card slots           Accepts all Type II PC cards.




            8          Network jack            Connects to an Ethernet 10/100-based
                                               network.


            9          Memory stick slot       Accepts memory sticks.




        10             SD/MMC slot             Accepts SD or MMC cards.




Chapter 1                                                                                   9
Rear Panel




      #      Icon             Item                          Description
      1             Expansion port          I/O replicator or EasyPort expansion
                                            devices.



      2             External display port   Connects to a display device (e.g., external
                                            monitor, LCD projector).


      3             Parallel port           Connects to a parallel device (e.g., parallel
                                            printer).



      4             S-video                 Connects t a television or display device
                                            with S-video input.




10                                                                                          Chapter 1
Bottom Panel




            #   Icon            Item                          Description
            1          Battery bay             Houses the computer's battery pack.
            2          Battery release latches Unlatches the battery to remove the battery
                                               pack.
            3          Memory compartment      Houses the computer's main memory.
            4          Cooling fan             Helps keep the computer cool.
                                               Note: Don't cover or obstruct the opening
                                               of the fan.
            5          AcerMedia drive bay     latches the AcerMedia bay to remove the
                       release latch           optical diskette drive.
            6          Hard disk bay           Houses the computer's hard disk.




Chapter 1                                                                                    11
Indicators
     The computer has seven easy-to-read status icons below the display screen.




     The status LCD displays icons that show the status of the computer and its components.
            Icon                 Function                     Description
                         Power                 Lights green when the computer is on.
                                               Flashes when the computer is in low
                                               power.


                         Sleep                 Flashes when the computer enters Sleep
                                               mode. Lights when the computer is in
                                               Sleep mode.


                         Battery charge        Lights green when the battery is being
                                               charged.




                         Wireless              Lights when the Wireless LAN or Bluetooth
                         communication         capabilities are enabled.



                         Caps lock             Lights when Caps Lock is activated.




                         Num lock              Lights when Num Lock is activated.




                         Media activity        Lights when the hard disk or AcerMedia
                                               drive is active.




12                                                                                            Chapter 1
Lock Keys
    The keyboard has three lock keys which you can toggle on and off.




     Lock Key                            Description
     Caps Lock     When Caps Lock is on, all alphabetic characters typed
                   are in uppercase.
     Num lock      When Num Lock is on, the embedded keypad is in
     (Fn-F11)      numeric mode. The keys function as a calculator
                   (complete with the arithmetic operators +, -, *, and /).
                   Use this mode when you need to do a lot of numeric
                   data entry. A better solution would be to connect an
                   external keypad.
     Scroll lock   When Scroll Lock is on, the screen moves one line up
     (Fn-F12)      or down when you press w and y respectively.
                   Scroll Lock does not work with some applications.




Chapter 1                                                                     13
Embedded Numeric Keypad
     The embedded numeric keypad functions like a desktop numeric keypad. It is indicated by small characters
     located on the upper right corner of the keycaps. To simplify the keyboard legend, cursor-control key symbols
     are not printed on the keys.




         Desired Access                Num Lock On                    Num Lock Off
     Number keys on embedded    Type numbers in a normal
             keypad             manner.
       Cursor-control keys on   Hold j while using             Hold Fn while using cursor-
        embedded keypad         cursor-control keys.           control keys.
        Main keyboard keys      Hold Fn while typing letters   Type the letters in a normal
                                on embedded keypad.            manner.




14                                                                                                      Chapter 1
Windows Keys
    The keyboard has two keys that perform Windows-specific functions.




        Key           Icon                            Description
    Windows logo                Start button. Combinations with this key perform
        key                     special functions. Below are a few examples:
                                 + Tab (Activates next taskbar button)
                                + E (Explores My Computer)
                                + F (Finds Document)
                                + M (Minimizes All)
                                j + Windows logo key + M (Undoes Minimize All)
                                 + R (Displays the Run... dialog box)
     Application                Opens a context menu (same as a right-click).
        key




Chapter 1                                                                          15
Hot Keys
     The computer uses hotkey or key combinations to access most of the computer's controls like sreen
     brightness, volume output.
     To activate hot keys, press and hold the Fn key before pressing the other key in the hot key combination.




       Hot Key          Icon               Function                           Description
        Fn-F1                      Hot key help          Displays help on hot keys.




        Fn-F2                      System Property       Displays the System Property.




        Fn-F3                      Power Options         Display the Power Options Properties used by the
                                                         computer (function available if supported by operating
                                                         system).


        Fn-F4                      Sleep                 Puts the computer in Sleep mode.




        Fn-F5                      Display toggle        Switches display output between the display screen,
                                                         external monitor (if connected) and both the display
                                                         screen and external monitor.
        Fn-F6                      Screen blank          Turns the display screen backlight off to save power.
                                                         Press any key to return.



        Fn-F7                      Touchpad toggle       Turns the internal touchpad on and off.




        Fn-F8                      Speaker toggle        Turns the speakers on and off.




        Fn-w                       Volume up             Increases the speaker volume.




16                                                                                                               Chapter 1
      Hot Key   Icon         Function                        Description
       Fn-y            Volume down       Decreases the speaker volume.




       Fn-x            Brightness up     Increases the screen brightness.




       Fn-z            Brightness down   Decreases the screen brightness




Chapter 1                                                                   17
The Euro Symbol
     If your keyboard layout is set to United States-International or United Kingdom or if you have a keyboard with a
     European layout, you can type the Euro symbol on your keyboard.




     NOTE: For US keyboard users: The keyboard layout is set when you first set up Windows. For the Euro
          symbol to work, the keyboard layout has to be set to United States-International.


     To verify the keyboard type in Windows 2000, follow the steps below:
     1.   Click on Start, Settings, Control Panel.
     2.   Double-click on Keyboard.
     3.   Click on the Language tab.
     4.   Verify that keyboard layout used for En English (United States)" is set to United States-International. If not,
          select and click on Properties; then select United States-International and click on OK.
     5.   Click on OK.


     To verify the keyboard type in Windows XP, follow the steps below:
     1.   Click on Start, Control Panel.
     2.   Double-click on Regional and Language Options.
     3.   Click on the Language tab and click on Details.
     4.   Verify that the keyboard layout used for "En English (United States)" is set to United States-International.
          If not, select and click on ADD; then select United States-International and click on OK.
     5.   Click on OK.


     To type the Euro symbol:
     1.   Locate the Euro symbol on your keyboard.
     2.   Open a text editor or word processor.
     3. Hold Alt Gr and press the Euro symbol.
     NOTE: Some fonts and software do not support the Euro symbol. Please refer to www.microsoft.com/
          typography/faq/faq12.htm for more information.




18                                                                                                             Chapter 1
Launch Keys
    Located at the top of keyboard are five buttons. These buttons are called launch keys. They are designated as
    P1, P2, P3 Email button and Web browser button.




    NOTE: To the left of these five launch keys is the wireless communication button. This wireless
         communication button works for model with 802.11b wireless LAN only.




         Launch Key                     Default application
    P1                     User-programmable
    P2                     User-programmable
    Email                  Email application
    Web browser            Internet browser application




Chapter 1                                                                                                      19
E-Mail Detection
     Click right button at the Launch Manager icon on the taskbar and click on E-Mail Detection. In this dialog box,
     you have the option to enable/disable mail checking, set the time interval for mail checking, etc. If you already
     have an email account, you can fill in User Name, Password and POP3 Server in the dialog box. The POP3
     Server is the mail server where you get your email.




     Aside from the email checking function, there is a mail button that is used to launch the email application. It is
     located above the keyboard right below the LCD.




20                                                                                                           Chapter 1
Touchpad
    The built-in touchpad is a pointing device that senses movement on its surface. This means the cursor
    responds as you move your finger on the surface of the touchpad. The central location on the palmrest
    provides optimal comfort and support.




    NOTE: If you are using an external USB mouse, you can press Fn-F7 to disable the touchpad.

Touchpad Basics
    The following teaches you how to use the touchpad:




               Move your finger across the touchpad to move the cursor.
               Press the left (1) and right (3) buttons located on the edge of the touchpad to do selection and
               execution functions. These two buttons are similar to the left and right buttons on a mouse.
               Tapping on the touchpad produces similar results.
               Use the 4-way scroll (2) button (top/bottom/left/and right) to scroll.



       Function         Left Button       Right Button        Scroll Button                Tap
    Execute           Click twice                                               Tap twice (at the same
                      quickly                                                   speed as double-clicking
                                                                                the mouse button)
    Select            Click once                                                Tap once
    Drag              Click and hold,                                           Tap twice (at the same
                      then use finger                                           speed as double-clicking
                      to drag the                                               a mouse button) then hold
                      cursor on the                                             finger to the touchpad on
                      touchpad                                                  the second tap to drag the
                                                                                cursor
    Access context                       Click once
    menu



Chapter 1                                                                                                         21
        Function        Left Button      Right Button     Scroll Button             Tap
     Scroll                                              Click and hold
                                                         the button in the
                                                         desired
                                                         direction (up/
                                                         down/left/right)


     NOTE: Keep your fingers dry and clean when using the touchpad. Also keep the touchpad dry and clean. The
          touchpad is sensitive to finger movements. Hence, the lighter the touch, the better the response.
          Tapping too hard will not increase the touchpad's responsiveness.




22                                                                                                  Chapter 1
Hardware Specifications and Configurations
    Processor

                      Item                                           Specification
    CPU type                           Intel Pentium 4
    CPU package                        / 



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