Acer Aspire 4220g Service Guide

							
Chapter 115
NOTE: When using the touchpad, keep it -  and your fingers - dry and clean. Th e touchpad is sensitive to finger 
movements; hence, the lighter the t ouch, the better the response. Tapping too hard will not increase the 
touchpad’s responsiveness.
FunctionLeft Button (1)Right Button (4)Main touchpad (2)Fingerprinter (3)
Execute Click twice quickly Tap twice (at the  same speed as 
double-clicking the 
mouse button)
Select Click once Tap once
Drag Click and hold, then  use finger on the 
touchpad to drag 
the cursor. Tap twice (at the 
same speed as 
double-clicking a 
mouse button); rest 
your finger on the 
touchpad on the 
second tap and 
drag the cursor.
Access context 
menu Click once
Log in with 
authorized 
fingerprint Swipe your finger 
over the 
fingerprinter. 
						

							
16Chapter 1
Using the Keyboard
The keyboard has full-sized keys and an embedded keypad, separate cursor keys, one Windows key and 
twelve function 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 si mplify the keyboard legend, cursor-control key symbols 
are not printed on the keys.
Windows Keys
The keyboard has one key that performs Windows-specific functions.
Lock KeyDescription
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 
numeric mode. The keys f
unction 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 
or down when you press the up or down arrow keys 
respectively. Scroll Lock does not work with some 
applications.
Desired AccessNum Lock OnNum Lock Off
Number keys on embedded 
keypad Type numbers in a normal 
manner.
Cursor-control keys on 
embedded keypad Hold  while using 
cursor-control keys.Hold  while using 
cursor-control keys.
Main keyboard keys Hold  while typing  letters on embedded 
keypad.Type the letters in a normal 
manner. 
						

							
Chapter 117
Hot Keys
The computer employs hotkeys or key combinations to access most of the computer’s controls like screen 
brightness, volume output, and the BIOS utility.
To activate hot keys, press and hold the < Fn> key before pressing the other key in the hotkey combination.
KeyIconDescription
Windows 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 function:
   +  Activates next taskbar button.
  +   Opens the My Computer window
  +   Opens Help and Support.
  +   Opens the Search: All Files dialog box.
  +   Opens the Run dialog box.
+    Minimizes all windows.
+  +  Undoes the minimize all windows 
action.
Application key This key has the same effect as clicking the right 
mouse button; it opens the application’s context 
menu.
Hot KeyIconFunctionDescription
+ Hot key help Displays help on hot keys.
+ Acer eSettings Launches the  Acer eSettings in Acer eManager.
+ Acer ePower  ManagementLaunches the Acer ePower Management in Acer 
Empowering Technology.
 See “Acer Empowering 
Technology” on page 19 .
+ Sleep Puts the computer in Sleep mode. 
						

							
18Chapter 1
Special Key
You can locate the Euro symbol and US dollar sign at the upper-center of your keyboard.
To  t y p e :
The Euro symbol
1. Open a text editor or word processor.
2. Hold    and then press the   symbol at the upper-center of the keyboard.
NOTE:  Some fonts and software do not support the Euro symbol. Please refer to www.microsoft.com/
typography/f aq/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 the upper-center of the keyboard.
NOTE:   This function varies by  the operating system version.
+ Display toggle Switches display output between the display screen, 
external monitor (if connected) and both.
+ Screen blank Turns the display screen backlight off to save power.  Press any key to return.
+ Touchpad toggle Turns the internal touchpad on and off.
+ Speaker toggle Turns the speakers on and off.
+< w> Volume up Increases the speaker volume.
+< y> Volume down Decreases the speaker volume.
+ Brightness up Increases the screen brightness.
+< z> Brightness down Decreases the screen brightness
Hot KeyIconFunctionDescription 
						

							
Chapter 119
Acer Empowering Technology
Acer’s innovative Empowering Technology makes it easy for you to access frequently used functions and 
manage your new Acer notebook. It f eatures the following handy utilities: 
TAcer eNet Management hooks up to location-based networks intelligently.
TAcer ePower Management  extends battery power via versatile usage profiles.
TAcer ePresentation Management  connects to a projector and adjusts display settings conveniently.
TAcer eDataSecurity Management  protects data with passwords and advanced encryption algorithms.
TAcer eLock Management limits access to external storage media.
TAcer eRecovery Management  backs up and recovers data flexibly, reliably and completely.
TAcer eSettings Management accesses system information and adjusts settings easily.
TAcer ePerformance Management  improves system performance by op timizing disk space, memory and 
registry settings.
For more information, press the < > key to launch the Empowering Technology toolbar, then click on the 
appropriate utility and select the Help or Tutorial function.
Empowering Technology password
Before using Acer eLock Management and Acer eRecov ery Management, you must initialize the Empowering 
Technology password. Right-click on the Empowering Technology toolbar and select “Password Setup” to do 
so. If you do not initialize the Empowering Technology password, you will be prompted to do so when running 
Acer eLock Management or Acer eRec overy Management for the first time.
Acer eNet Management 
Acer eNet Management helps you to quickly and eas ily connect to both wired and wireless networks in a 
variety of locations. To access this utility, either click on the “ Acer eNet Management” icon on your notebook, 
or start the program from the Start menu. You also ha ve the option to set Acer eNet Management to start 
automatically when you boot up your PC.
Acer eNet Management automatically detects the best  settings for a new location, while offering you the 
freedom to manually adjust the settings to match your needs. 
						

							
20Chapter 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 121
Acer ePower Management 
Acer ePower Management features a straightforward user interface. To launch it, select Acer ePower 
Management from the Empowe ring Technology interface.
AC Mode (Adapter mode)
The default setting is “Maximum Performance.” Yo u can adjust CPU speed, LCD brightness and other 
settings, or click on buttons to turn the following func tions on/off: Wireless LAN, Bluetooth, CardBus, FireWire 
(1394), Wired LAN and Optical Device if supported.
DC Mode (Battery mode)
There are three pre-defined profiles - Balanced, Power  Saver, and High Performance. You can also define the 
power plan optimized for your needs.
To create new power plan
1.    Select a predefined power plan and click the “ “ icon shown on the lower left-hand side.
2. Enter the name for the newly created power plan.
3. Select one of the predefined power plan that is closest to what you want.
4. Change the display and sleep settings as desired.
5. Click “OK“ to apply the setting.
6. A new power plan is created. 
						

							
22Chapter 1
Battery status
For real-time battery life estimates based on current usage, refer to the time shown in the “Remaining Battery 
Life” field.
For additional power options, click “ More Power option”.
Acer ePresentation Management 
Acer ePresentation Management lets y ou project your computer’s display to an external device or project 
using the hot key: Fn + F5. If auto- detection hardware is implemented in  the system, your system display will 
be automatically switched out when an exter nal display is connected to the system. 
						

							
Chapter 123
Acer eDataSecurity Management 
Acer eDataSecurity Management is handy file encryption utility that protects your files from being accessed by 
unauthorized persons. It is convenientl y integrated with Windows explorer as a shell extension for quick and 
easy data encryption/decryption and also supports on-the- fly file encryption for MSN Messenger and Microsoft 
Outlook. 
The Acer eDataSecurity Management setup wizard will  prompt you for a supervisor password and default 
encryption. This encryption will be used to encrypt files  by default, or you can choose to enter your won file-
specific password when encrypting a file.
NOTE:  The password used encrypt a file is  the unique key that the system needs to decryp t it. If you lose the 
password, the supervisor password is the only other ke y capable of decrypting the file. If you lose both 
passwords, there will be no way to  decrypt your encrypted file! Be sure to safeguard all related 
passwords! 
						

							
24Chapter 1