Acer Aspire 7420 Service Guide

Chapter 111
Three productivity keys give users one-touch access to protection and manageability features for a more 
secure, smarter and easier way to work.
Lock key - runs the Windows® lock function to lock the notebook when you step out. If the laptop is 
equipped with Acer BioProtect, you only need to swipe your finger to log into Windows® again.
Presentation key - minimizes open application windows and prepares the display for impressive 
presentations.
Sync key - instantly synchronizes your...

12Chapter 1
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.
NOTE: By default, vertical and horizontal scrolling is enabled on your touchpad. It can be disabled under 
Mouse settings in Windows Control Panel.
FunctionLeft Button (1)Right Button 
(4)Main touchpad 
(2)Center button (3)
Execute Click twice...

Chapter 113
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....

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

Chapter 115
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 Launches Acer eSettings in Acer Empowering 
Technology. 
 +  Acer ePower 
ManagementLaunches Acer ePower Management in Acer 
Empowering...

16Chapter 1
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.Either press < > at the bottom-right of the keyboard, or hold  and then press the  key at the 
upper-center of the keyboard.
The US dollar sign
1.Open a text editor or word processor.
2.Either directly press the  key at the bottom-right of the keyboard, or hold  and then press the 
 key at the upper-center of the...

Chapter 117
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...

18Chapter 1
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. 

Chapter 119
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,...

20Chapter 1
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....