Acer Aspire 1820pt Service Guide

Chapter 11
System Specifications
Features
Below is a brief summary of the computer’s many features:
Operating System
• Genuine Windows® 7
Platform
• Intel® Core™2 Duo processor*
• Intel® Pentium® mobile processor*
• Intel® Celeron® mobile processor*
• Mobile Intel® GS45 Express Chipset
System Memory
• Dual-Channel SDRAM support
• Up to 4 GB of DDR3 1066 MHz memory, upgradeable to 8 GB using two soDIMM modules
Display and graphics
• 11.6 HD 1366 x 768
• Convertible display
• Mobile Intel® GS45 Express...

2Chapter 1
•WLAN:
• Intel® WiFi Link 5100 802.11a/b/g/Draft-N*
• Intel® WiFi Link 5100 802.11a/b/g*
• Intel® WiFi Link 1000*
• WPAN: Bluetooth® 2.1+Enhanced Data Rate*
• LAN: Gigabit Ethernet; Wake-on-LAN ready
Privacy control
• BIOS user, supervisor, HDD passwords
• Kensington lock slot
Dimensions and Weight
• 285 (W) 208.9 (D) 28.5/34.5 (H) mm (11.22 x 8.22 x 1.12/1.36 inches)
• 1.72 kg (3.79 lbs.) (non-3G SKU)
Power subsystem
•ACPI 3.0
• 62.16 W 5600 mAh
• 3-pin 30 W AC adapter
• ENERGY STAR®*
Special...

Chapter 13
System Block Diagram 

4Chapter 1
Your Notebook Tour
This section provides an overview of the features and functions of the notebook.
Front View
No.IconItemDescription
1 Acer Crystal Eye 
webcamWeb camera for video communication
2 Display screen Also called Liquid-Crystal Display (LCD), displays 
computer output (Configuration may vary by 
models).
3 P Programmable 
keyLaunch predefined programs or user defined 
programs at the push of a button.
4 Backup key Press to start automatic backup procedure.
5 HDD Indicates when the...

Chapter 15
Closed Front View
6 Power Indicated the computer’s power status.
Battery Indicates the computers battery status.
1. Charging: The light shows amber when the 
battery is charging.
2. Fully charged: The light shows blue when in AC 
mode.
Bluetooth 
communication 
indicatorIndicates the status of Bluetooth communication. 
(only for certain models)
Communication 
indicatorIndicates the status of WLAN / 3G communication.
7 Click buttons (left 
and right)The left and right buttons function like the...

6Chapter 1
Left View
Right View
No.IconItemDescription
1 External display 
(VGA) portConnects to a display device (e.g. external 
monitor, LCD projector).
2 DC-in jack Connects to an AC adapter
3 Ventilation slots Enable the computer to stay cool, even after 
prolonged use.
4
HDMIHDMI port Supports high definition digital video 
connections.
5 USB 2.0 port Connect to USB 2.0 devices (e.g., USB mouse, 
USB camera).
No.IconItemDescription
1 Multi-in-1 card 
readerAccepts Secure Digital (SD), MultiMediaCard...

Chapter 17
Base View
5 Kensington lock 
slotConnects to a Kensington-compatible 
computer security lock.
Note: Wrap the 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.
6 Ethernet (RJ-45) 
portConnects to an Ethernet 10/100/1000-based 
network.
No.IconItemDescription
1 Battery bay Houses the computers battery pack.
2 Hard disk bay Houses the...

8Chapter 1
Rear View
Indicators
The computer has several easy-to-read status indicators. The battery indicator is visible even when the 
computer cover is closed.
NOTE: 1. Charging: The battery light shows amber when the battery is charging. 2. Fully charged: The light 
shows green when in AC mode.
No.IconItemDescription
1 Battery bay Houses the computers battery pack.
Icon Function Description 
Bluetooth  Indicates the status of Bluetooth communication. 
Wireless LAN  Indicates the status of Wireless...

Chapter 19
TouchPad Basics
The following items show you how to use the TouchPad:
• Move your finger across the TouchPad (1) to move the cursor.
• Press the left (2) and right (3) buttons located beneath the TouchPad to perform selection and 
execution functions. These two buttons are similar to the left and right buttons on a mouse. 
Tapping on the TouchPad is the same as clicking the left button.
NOTE: When using the TouchPad, keep it - and your fingers - dry and clean. The TouchPad is sensitive to...

10Chapter 1
Using the Keyboard
This computer has a close-to-full-sized keyboard and an embedded numeric keypad, separate cursor, lock, 
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...