Acer Aspire 2420 Service Guide

Chapter 111
NOTE: When using the touchpad, keep it - and your fingers - dry and clean. The touchpad is sensitive to finger 
movement; hence, the lighter the touch, the better the response. Tapping too hard will not increase the 
touchpad’s responsiveness.
FunctionLeft Button (1)Right Button 
(3)Main touchpad (2)
Execute Quickly click twice. Tap twice (at the same speed 
as double-clicking a mouse 
button).
Select Click once. Tap once.
Drag Click and hold, then use 
finger on the touchpad to 
drag the...

12Chapter 1
Using the Keyboard
The keyboard has full-sized keys and an embedded numeric keypad, separate cursor, lock, Windows, function 
and special keys.
Lock Keys and embedded numeric keypad
The keyboard has three lock keys which you can toggle on and off.
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....

Chapter 113
Windows Keys
The keyboard has two keys that perform Windows-specific functions.
KeyDescription
Windows 
keyPressed 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:
 : Open or close the Start menu
 + : Display the desktop
 + : Open Windows Explore
 + : Search for a file or folder
 + : Cycle through Sidebar gadgets
 + : Lock your computer (if you are 
connected to a...

14Chapter 1
Hot Keys
The computer employs hotkeys or key combinations to access most of the computer’s controls like sreen 
brightness, volume output and the BIOS utility.
To activate hot keys, press and hold the  key before pressing the other key in the hotkey combination.
HotkeyIconFunctionDescription
 +  Hotkey help Displays help on hotkeys.
 +  Acer eSettings 
ManagementLaunches Acer eSettings Management in Acer 
Empowering Technology. 
 +  Acer ePower 
ManagementLaunches Acer ePower Management in...

Chapter 115
Special Key
You can locate the Euro symbol and the US dollar sign at the upper-center 
and/or bottom-right of your keyboard.
The Euro symbol
1.Open a text editor or word processor.
2.Hold  and then press the  key at the upper-center of the keyboard.
NOTE:  Note: Some fonts and software do not support the Euro symbol. Please refer to www.microsoft.com/
typography/faq/faq12.htm for more information.
The US dollar sign
1.Open a text editor or word processor.
2.Hold  and then press the  key at...

16Chapter 1
Acer Empowering Technology
The Empowering Technology toolbar makes it easy for you to access frequently used functions and manage 
your new Acer system. Displayed by default in the upper half of your screen, it provides access to the following 
utilities:
Acer eNet Management hooks up to location-based networks intelligently.
Acer ePower Management optimizes battery usage via customizable power plans.
Acer ePresentation Management connects to a projector and adjusts display settings.
Acer...

Chapter 117
Acer eNet Management can save network settings for a location to a profile, and automatically switch to the 
appropriate profile when you move from one location to another. Settings stored include network connection 
settings (IP and DNS settings, wireless AP details, etc.), as well as default printer settings. Security and safety 
concerns mean that Acer eNet Management does not store username and password information. 

18Chapter 1
Acer ePower Management 
Acer ePower Management features a straightforward user interface for configuring your power management 
options. To access this utility, select Acer ePower Management from the Empowering Technology toolbar, 
run the program from the Acer Empowering Technology program group in Start menu, or right-click the 
Windows power icon in the system tray and select Acer ePower Management.
Using power plans
Acer ePower Management comes with three predefined power plans: Balanced,...

Chapter 119
To switch between power plans:
1.Select the power plan you wish to switch to from the drop-down list.
2.Click Apply.
To edit a power plan:
Editing a power plan allows you to adjust system settings like LCD brightness and CPU speed. You can also 
turn on/off system components to extend battery life.
1.Switch to the power plan you wish to edit
2.Adjust settings as required.
3.Click Apply to save your new settings.
To delete a power plan:
You cannot delete the power plan you are currently using....

20Chapter 1
Acer eAudio Management 
Acer eAudio Management allows you to easily control the enhanced sound effects of Dolby® Home Theater™ 
on your system. Select Movie or Game mode to experience the awesome realism of 5.1-channel surround 
sound from just 2 speakers, via Dolby Virtual Speaker technology. Music mode lets you enjoy your favorite 
tunes, in vivid detail..
Acer ePresentation Management 
Acer ePresentation Management lets you project your computers display to an external display device or...