Acer Aspire 2020 Service Guide

							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.