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Acer Aspire 2020 Service Guide

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    							24Chapter 1
    Embedded Keypad
    The embedded keypad functions like a desktop numeric keypad.  It is indicated by small blue numbers and  on
     the applicable keys.
     To use the the embedded numeric keys, toggle the Num Lock on by pressing the Fn + F11 keys
     simultaneously. 
    With the embedded keypad turned on, the following actions are possible:
    Desired AccessNum Lock OnNum Lock On
    Number keys on 
    embedded keypadType numbers using 
    embedded keypad in the 
    normal way.
    Cursor-control keys on 
    embedded keypadHold down the jkey 
    while using the cursor 
    keys on the embedded 
    keypad.Hold Fn key while using 
    cursor-control keys.
    Main keyboard keys Hold down the Fn key 
    while typing letters using 
    the embedded keypad 
    keys. Simultaneously 
    press the j key for for 
    capital letters.Type letters in the normal 
    way. 
    						
    							Chapter 125
    Hotkeys 
    Using the Fn key with another key creates a hot key, providing a quick and convenient method for controlling
     various functions.
    To use a hot key, first hold down the Fn key. Next, press the second key  in combination. Finally, release
     both keys.
    Aspire 2010 
    						
    							26Chapter 1
    Your  computer provides the following hot keys:
    NOTE: When activating hotkeys, press and hold the Fn key before pressing the other key in the hotkey 
    combination.
    Hot KeyFunctionDescription
    Fn+F1 Hot key help This key will cause a help message to appear on the 
    display device that describes the definition and 
    functionality of the unit hot keys. It is preferred to have the 
    key activate a graphical display.
    Fn+F2 Access System PropertiesThis key will launch My Computer > System Properties
    Fn+F3 Power management scheme 
    toggleSwitches the power management scheme used by the 
    computer (function available if supported by operating 
    system).
    Fn+F4 Sleep In ACPI mode, the OS provides two buttons for sleep 
    function. One is the Power On button and the other is the 
    Sleep Button. °Fn+F4” is assigned as the Sleep
    button in ACPI mode. User can set the action of the Sleep 
    Button on the Power Management property.  
    Fn+F5 Display toggle The Hotkey, Display Toggle, is to change the display type 
    at run-time. Possible display types are LCD, CRT and 
    Both. It can not detect the CRT, even when the CRT is not 
    connected. Press Hotkey can force to switch to CRT. This 
    Hotkey cannot switch the display to TV at DOS. 
    Fn+F6 Screen blank This key will cause the LCD back light to be turned off. 
    This provides both a quick security feature and some 
    power savings. The LCD back light can also be turned off 
    via an APM timer. The LCD back light will be turned on 
    again when any of the following events occur: 
    TAny key pressed
    TPointing device movement
    USB Device does not need to support.
    Fn+F7 Touchpad toggle This key will cause the internal touchpad pointing device 
    to be disabled. This is to prevent accidental system wake-
    ups from standby. Pressing this key a second time will re-
    enable the touch pad pointing device. BIOS check Internal 
    AuxDev ifnot exist then BIOS empty return. 
    Fn+F8 Speaker toggle This key will cause the audio output to the speakers to 
    muted or disabled. Pressing this key a second time will re-
    enable the audio output to the speakers. 
    Fn+wVolume up Increases the speaker volume.
    Fn+yVolume down Decreases the speaker volume.
    Fn+xBrightness up Increases the screen brightness.
    Fn+zBrightness down Decreases the screen brightness. 
    						
    							Chapter 127
    Aspire 2020
    Your  computer provides the following hot keys:
    NOTE: When activating hotkeys, press and hold the Fn key before pressing the other key in the hotkey 
    combination.
    Hot KeyFunctionDescription
    Fn+F1 Hot key help This key will cause a help message to appear on the 
    display device that describes the definition and 
    functionality of the unit hot keys. It is preferred to have the 
    key activate a graphical display.
    Fn+F2 Access System PropertiesThis key will launch My Computer > System Properties
    Fn+F3 Power management scheme 
    toggleSwitches the power management scheme used by the 
    computer (function available if supported by operating 
    system).
    Fn+F4 Sleep In ACPI mode, the OS provides two buttons for sleep 
    function. One is the Power On button and the other is the 
    Sleep Button. °Fn+F4” is assigned as the Sleep
    button in ACPI mode. User can set the action of the Sleep 
    Button on the Power Management property.  
    Fn+F5 Display toggle The Hotkey, Display Toggle, is to change the display type 
    at run-time. Possible display types are LCD, CRT and 
    Both. It can not detect the CRT, even when the CRT is not 
    connected. Press Hotkey can force to switch to CRT. This 
    Hotkey cannot switch the display to TV at DOS. 
    Fn+F6 Screen blank This key will cause the LCD back light to be turned off. 
    This provides both a quick security feature and some 
    power savings. The LCD back light can also be turned off 
    via an APM timer. The LCD back light will be turned on 
    again when any of the following events occur: 
    TAny key pressed
    TPointing device movement
    USB Device does not need to support.
    Fn+F7 Touchpad toggle This key will cause the internal touchpad pointing device 
    to be disabled. This is to prevent accidental system wake-
    ups from standby. Pressing this key a second time will re-
    enable the touch pad pointing device. BIOS check Internal 
    AuxDev ifnot exist then BIOS empty return. 
    Fn+F8 Speaker toggle This key will cause the audio output to the speakers to 
    muted or disabled. Pressing this key a second time will re-
    enable the audio output to the speakers. 
    Fn+wVolume up Increases the speaker volume.
    Fn+yVolume down Decreases the speaker volume.
    Fn+xBrightness up Increases the screen brightness.
    Fn+zBrightness down Decreases the screen brightness. 
    						
    							28Chapter 1
    Windows Keys
    The keyboard features two keys that perform Windows-specific functions.
    KeyDescription
    Windows logo key Pressed alone, this key has the same effect as clicking on the 
    Windows Start button; it launches the Start menu. It can also be 
    used with other keys to provide a variety of functions:
    + Tab (Activates the next Taskbar button)
    +  E (Opens the My Computer window)
    + F1 (opens Help and Support)
    +  F (opens the Find: All Files dialog box)
    +  M (minimizes all windows)
    j +   Windows logo key + M (undoes the minimize all windows 
    action)
      
    + R (opens the Run dialog box)
    Application key This key has the same effect as clicking the right mouse button; it 
    opens the application’s context menu. 
    						
    							Chapter 129
    Euro key
    Your computer supports the new Euro currency character. First, hold down the Alt Gr key, and then press the 
    Euro key. 
    						
    							30Chapter 1
    Touchpad
    The build-in touchpad is a PS/2 compatible pointing device that senses movement on its surface. 
    The cursor responds to your finger movements on the touchpad. In addition, the two click buttons provide 
    the same functionality as a computer mouse, while the scroll key enables easy up and down scrolling in
    documents and web pages.
    The touchpad is located in the middle of the palm rest area, providing maximum comfort and efficiency.
    Touchpad Basics
    Use the touchpad as follows:
    TSlide your finger over the surface of the touchpad to control the movement of the cursor. Tap the
                         touchpad to perform selection and execution functions. 
    TPress the left (1) and right (3) buttons to perform selection and execution functions, just as you
                         would use the buttons on a computer mouse.
    TUse the scroll key (2) to scroll through long documents and web pages. Press the top of the key to
                         scroll up, and the bottom to scroll down; left to scroll left, and right to scroll right.
    FunctionLeft ButtonRigh Button4-Way Scroll WayTa p
    Execute Click twice quickly Tap twice (at the 
    same speed as 
    double-clicking the 
    mouse button)
    Select Click once Tap once 
    						
    							Chapter 131
    NOTE: Keep your fingers, as well as the surface of the touchpad dry and clean. The touchpad is sensitive to 
    your finger movements: the lighter the touch, the better the response. Tapping hard will not increase the 
    touchpad’s responsiveness. Drag Click and hold. 
    Then slide your 
    finger across the 
    touchpad to drag 
    the cursor over the 
    selection.Tap twice quickly. 
    On the second tap, 
    slide your finger 
    across the 
    touchpad to drag 
    the cursor over the 
    selection.
    Access 
    context 
    menuClick once
    Scroll Click and hold the 
    up/down/left/right 
    button
    FunctionLeft ButtonRigh Button4-Way Scroll WayTa p 
    						
    							32Chapter 1
    Launch Keys
    Located at the top of the keyboard are four buttons, in addition to the power button. These buttons are
    called launch keys. They are designed as key 1, key 2, key 3 and key 4, from right to left. By default,
    key 1 is used to launch the email application and key 2 is used to launch the Internet browser. Key 3
    and key 4 start the Launch Manager application. The first four launch keys can be set by the user. To set
    the launch keys, run the Acer Launch Manager.
                                     Aspire 2010                                                                       Aspire 2020  
    #Description
    Email Launches your email application.
    Web browser Launches your Internet browser
    P1 User-programmable
    P2 User-programmable 
    						
    							Chapter 133
    Hardware Specifications and Configurations
    Processor
    ItemSpecification
    CPU type
    Intel
    ® CentrinoTM mobile Pentium M processor at 1.4~ 1.8 GHz 
    CPU package  uFCPGA package
    CPU core voltage Support automatic selection of power supply voltage
    CPU I/O voltage 1.05V
    BIOS
    ItemSpecification
    BIOS vendor Insyde
    BIOS Version Insyde MobilePRO BIOS 1.0
    BIOS ROM type Flash ROM
    BIOS ROM size 512KB 
    BIOS package 32 lead of TSSOP
    Bupported protocols ACPI 1.0b,PC Card 95, SM BIOS 2.3, EPP/IEEE 1284, ECP/IEEE 
    1284 1.7 & 1.9, PCI 2.2, PnP 1.0a, DMI 2.0, USB, VGA BIOS, CD-
    ROM bootable
    BIOS password control Set by setup manual
    Second Level Cache
    ItemSpecification
    Cache controller Built-in CPU
    Cache size 1MB or 2MB
    1st level cache control Always enabled
    2nd level cache control Always enabled
    Cache scheme control Fixed in write-through
    System Memory
    ItemSpecification
    Memory controller Intel 855GME
    Memory size 128MB/256MB/512MB/1GB
    DIMM socket number 2 sockets
    Supports memory size per socket 1024MB
    Supports maximum memory size 2GB (by two 1024MB SO-DIMM module)
    Supports DIMM type DDR Synchronous DRAM
    Supports DIMM Speed 333MHz 
    Supports DIMM voltage 2.5V
    Supports DIMM package 200-pin SO-DIMM
    Memory module combinations You can install memory modules in any combinations as long as 
    they match the above specifications. 
    						
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