Acer Travelmate 4150 Service Guide

22Chapter 1
Launch Keys
Located at the upper-right above the keyboard are four buttons. These buttons are called launch keys. They
are designated as mail, Web browser, Acer Empowering Key   , and one user programmable button.
Press the Empowering Key    to run the Acer eManager. The mail and Web browser are default for
Email and Internet programs, but can be reset by users. To set the Web browser, mail and programmable
keys, run the Acer Launch Manager. 
Launch KeyDefault Application
Acer eManager...

Chapter 123
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 optimum comfort and support.
Touchpad Basics
The following items teach you how to use the touchpad:
TMove your finger across the touchpad (2) to move the cursor.
TPress the left (1) and right (4) buttons located on the edge of the touchpad to perform selection 
and execution...

24Chapter 1
NOTE: Keep your fingers dry and clean when using the touchpad. Also keep the touchpad dry and clean. The 
touchpad is sensitive to finger movement, hence, the lighter the touch, the better the response. Tapping 
harder will not increase the touchpads responsiveness.
FunctionLeft button (1)Right button (4)Main touchpad (2)Center button (3)
Execute Click twice quickly Tap twice (at the same 
peed as double-clicking a 
mouse button).
Select Click once Tap once
Drag Click and hold, then 
use...

Chapter 125
Using a computer security lock
A security keylock notch, located on the rear of the computer, lets you connect a Kensington-compatible 
computer security lock.
Wrap a computer security lock cable around an immovable object such as a table or handle of a locked 
drawer. Insert the lock into the notch and turn the key to secure the lock. Some keyless models are also 
available. 

26Chapter 1
Using System Utilities
Acer eManager
Innovative Acer eManager software is designed for easy access to frequently used functions. At the press of 
Acer Empowering Key   , the Acer eManager user interface appears, featuring four main settings: Acer 
ePowerManagement, Acer ePresentation, Acer eRecovery and Acer eSettings.
IconItemDescription
Acer 
ePowerManagementIt provides a central location from where to control all 
your PC’s power schemes and maximise battery life.
Acer ePresentation...

Chapter 127
Launch Manager 
Launch Manager allows you to set the four launch keys located above the keyboard. 
You can access the Launch Manager by clicking on Start, All Programs, and then Launch Manager to start
the application. 
"Launch keys" on page 10
Start All Programs
Launch Manager 

28Chapter 1
Audio
The computer comes with 16-bit high-fidelity AC97 stereo audio, and dual stereo speakers. 
Adjusting the Volume
Adjusting the volume on the computer is as easy as pressing some buttons."Hot keys" on page 14 

Chapter 129
Ejecting the optical (CD or DVD) drive tray
To eject the optical drive tray when the computer is turned on, press the drive eject button.
When the power is off, you can eject the drive tray using the mechanical eject hole. 

30Chapter 1
Using a Computer Security Lock
A security keylock notch, located on the left hand side of the computer, lets you connect a Kensington
compatible computer security lock.
Wrap a computer security lock cable around an immovable object such as a table or handle of a locked
drawer. Insert the lock into the notch and turn the key to secure the lock. Some keyless models are also
available. 

Chapter 131
System Power Management 
The overall system can be in one of five system power states as described below: 
Legacy 
Mode ACPI modePower Management 
OffMech. Off (G3)  All devices in the system are turned off completely. 
Soft Off (G2/S5) OS initiated shutdown. All devices in the system are 
turned off completely. 
OnWorking (G0/S0) Individual devices such as the CPU and hard disk 
may be power managed in this state.
S3 Sleeping State  CPU set power down 
VGA Suspend 
PCMCIA Suspend 
Audio...