Acer Aspire 7420 Service Guide

Chapter 121
connected to the system. For projectors and external devices that are not auto-detected, launch Acer 
ePresentation Management to choose an appropriate display setting.
NOTE: If the restored resolution is not correct after disconnecting a projector, or you need to use an external 
resolution that is not supported by Acer ePresentation Management, adjust your display settings using 
Display Properties or the utility provided by the graphics vendor.
Acer eDataSecurity Management 
Acer...

22Chapter 1
The Acer eDataSecurity Management setup wizard will prompt you for a supervisor password and default 
encryption password. This password will be used to encrypt files by default, or you can choose to enter your 
own password when encrypting a file.
NOTE: The password used to encrypt a file is the unique key that the system needs to decrypt it. If you lose 
the password, the supervisor password is the only other key capable of decrypting the file. If you lose 
both passwords, there will be no...

Chapter 123
To use Acer eLock Management, the Empowering Technology password must be set first. Once set, you can 
apply locks to any of the devices types. Lock(s) will immediately be set without any reboot necessary, and will 
remain after rebooting, until removed.
NOTE: If you lose the Empowering Technology password, there is no method to reset it except by reformatting 
your system. Make sure to remember or write down your password.
Acer eRecovery Management 
Acer eRecovery Management is a versatile...

24Chapter 1
For more information, please refer to Acer eRecovery Management on page 61 in the AcerSystem 
Users Guide.
NOTE: If your computer did not come with a Recovery CD or System CD, please use Acer eRecovery 
Managements System backup to optical disc feature to burn a backup image to CD or DVD. To 
ensure the best results when recovering your system using a CD or Acer eRecovery Management, 
detach all peripherals (except the external Acer ODD, if your computer has one), including your Acer...

Chapter 125
Lets you set an asset tag for your system.
Windows Mobility Center
The Windows Mobility Center collects key mobile-related system settings in one easy-to-find place, so you can 
quickly configure your Acer system to fit the situation as you change locations, networks or activities. Settings 
include display brightness, power plan, volume, wireless networking on/off, external display settings, display 
orientation and synchronization status.
Windows Mobility Center also includes Acer-specific...

26Chapter 1
Using the System Utilities
Acer Bio-Protection (for selected models)
Acer Bio-Protection Fingerprint Solution is a multi-purpose fingerprint software package integrated with the 
Microsoft® Windows® operating system. Utilizing the uniqueness of ones fingerprint features, Acer Bio-
Protection Fingerprint Solution has incorporated protection against unauthorized access to your computer with 
Pre-Boot Authentication (PBA), centralized password management with Password Bank, and fast...

Chapter 127
Acer GridVista (dual-display compatible)
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 
select Start, Control Panel, Display and click on Settings. Select the secondary monitor (2) icon in the 
display box and then click the check box Extend my windows desktop onto this monitor. Finally, click 
Apply to confirm the new settings and click OK to complete the process.
Acer...

28Chapter 1
Double (verticle), Triple (primary at left), Triple (primary at right), or Quad Acer Gridvista is dual-display 
compatible, allowing two displays to be partitioned indepently.
Acer Gridvista is dual-display compatible, allowing two displays to be partitioned independently.
AcerGridVista is imple to set up:
1.    Run Acer GridVista and select your preferred screen configuration for each display from the task bar.
2.Drag and drop each window into the appropriate grid.
3.Enjoy the convenience of...

Chapter 129
3.Select Run Scan to scan your system.
4.When the scan is complete, review the results of the scan.
NOTE: For optimal security, run a Full System Scan when scanning your computer for the first time.
You can schedule customized virus scans that run unattended on specific dates and times or at periodic 
intervals. If you are using the computer when the scheduled scan begins, it runs in the background so that you 
do not have to stop working.
For more information refer to the Norton Internet...

30Chapter 1
Hardware Specifications and Configurations
Throttling 50%: On= 99 C; OFF=93 C
OS shut down at 105 C; H/W shot down at 110 .C
   Processor
ItemSpecification
CPU type AMD Turion™ 64 X2 dual-core mobile technology TL-66/TL-64/TL-
60/TL-56/TL-52 (1 MB L2 cache, 2.3/2.2/2.0/1.8/1.6 GHz, 1600 
MHz HyperTransport™ Bus)
Mobile AMD Sempron™ 3400+ (512 KB L2 cache, 1.8 GHz, 1600 
MHz HyperTransport™ Bus) / 3500+ (512 KB L2 cache, 1.8 GHz, 
1600 MHz HyperTransport™ Bus) / 3600+ (256 KB L2 cache, 2.0...