Acer Aspire 4720 Service Guide

Chapter 125
Acer eLock Management 
Acer eLock Management is a security utility that allows you to lock your removable data, optical and floppy 
drives to ensure that data cannot be stolen while your notebook is unattended.
TRemovable data devices - includes USB disk drives, USB pen drives, USB flash drives, USB MP3 drives, 
USB memory card readers, IEEE 1394 disk drives and any other removable disk drives that can be 
mounted as a file system when plugged into the system.
TOptical drive devices -...

26Chapter 1
Acer eRecovery Management 
Acer eRecovery Management is a powerful utility that does away with the need for recovery disks provided by 
the manufacturer. The Acer eRecovery Management utility occupies space in a hidden partition on your 
system’s HDD. User-created backups are stored on D: drive. Acer eRecovery Management provides you 
with:
TPassword protection.
TRecovery of applications and drivers.
TImage/data backup:
TBack up to HDD (set recovery point).
TBack up to CD/DVD.
TImage/data...

Chapter 127
Acer eSettings Management 
Acer eSettings Management allows you to inspect hardware specifications and to monitor the system health 
status. Furthermore, Acer eSettings Management enables you to optimize your Windows operating system, so 
your computer runs faster, smoother and better. 
Acer eSettings Management also:
TProvides a simple graphical user interface for navigating.
TDisplays general system status and advanced monitoring for power users. 

28Chapter 1
Getting to know your Acer Cystal Eye webcam
Launching the Acer Crytal Eye webcam
To launch the Acer Crystal Eye webcam, double click on the Acer Crystal Eye webcam icon on the screen.
OR
Click Start > All programs > Crystal Eye webcam > Acer Crystal Eye webcam. The Acer Crystal Eye webcam 
capture window appears. 
Changing the Acer Crytal Eye webcam resolution
To change the capture resolution, click the displayed resolution button to select the desired resolution.
Using the Acer Crytal Eye...

Chapter 129
Using the System Utilities
NOTE: The system utilities work under Microsoft Windows XP only.
Acer GridVista (dual-display com patible)
NOTE: This feature is only available on certain models.
To enable the dual monitor feature of the notebook, first ensure that the second monitor is connected, then 
open the Display Settings properties box using the Control Panel or by right-clicking the Windows desktop 
and selecting Personalize. Select the secondary monitor (2) icon in the display box and...

30Chapter 1
NOTE: Please ensure that the resolution setting of the second monitor is set to the manufacturers 
recommended value.
Launch Manager
Launch Manager allows you to set the four easy-launch buttons (see their locations mentioned in “Easy-
Launch Buttons”). You can access the Launch Manager by clicking Start > All Programs > Launch Manager 
> Launch Manager to start the application.
Note:
"Easy-launch buttons" on page 24
Start All Programs
Launch Manager 

Chapter 131
Hardware Specifications and Configurations
NOTE: If you need to check PXE version, press F2 to enter BIOS then enable boot from LAN function. After 
that, power off the system and remove the HDD. Last, reboot the laptop. Then you will see PXE version 
displaying on the screen. Processor
ItemSpecification
CPU type
Intel
® CoreTM2 Duo mobile processor T7300/T7500/T7700 (4MB, L2 cache 
2.0/2.2/2.4 GHz, 800 MHz FSB)
Intel
® CoreTM2 Duo processor T7100 (2MB, L2 cache 1.8 GHz, 667 MHz 
FSB)
Intel
®...

32Chapter 1
NOTE: Above table lists some system memory configurations. You may combine DIMMs with various 
capacities to form other combinations. On above table, the configuration of slot 1 and slot 2 could be 
reversed. System Memory
ItemSpecification
Memory controller
Built-in Intel
® PM965
Memory size 0MB (no on-board memory)
DIMM socket number 2 sockets
Supports memory size per socket 2GB
Supports maximum memory size 4GB (by two 1024MB SO-DIMM module)
Supports DIMM type DDR 2 Synchronous DRAM...

Chapter 133
System VRAM and VBIOS Options
eSettingOS
System 
MemoryVBIOS Option 
in BIOS/
CMOS
VRAM sizeSystem 
memory sizeVRAM sizeSystem 
memory size
512Mb 128MB Dedicated 128MB 512MB 192MB 512MB
Max. available 192MB
256MB Dedicated 256MB 512MB 320MB 512MB
Max. available 320MB
512MB Dedicated 512MB 512MB 578MB 512MB
Max. available 576MB
1024MB 128MB Dedicated 128MB 1024MB 383MB 1024MB
Max. available 383MB
256MB Dedicated 256MB 1024MB 511MB 1024MB
Max. available 511MB
512MB Dedicated 512MB 1024MB 767MB...

34Chapter 1
 
Bluetooth Interface
ItemSpecification
Chipset FOXCONN T60H928.01 Bluetooth miniUSB module
Data throughput 723 bps  (full speed data rate)
Protocol Bluetooth 2.0+EDR
Interface USB 1.1
Connector type USB
Wireless Module 802.11b/g, 802.11a/b/g, 802.11a/g/n
ItemSpecification
Chipset Intel
Data throughput 11~54 Mbps
Protocol 802.11b/g, 802.11a/b/g, or 802.11 a/g/n
Interface Mini PCI or Wi-Fi
Hard Disk Drive Interface
Item
Vendor & 
Model NameSeagate 40G ST9402112A
Toshiba MK4025GAS   
Hitachi...