Acer 4520G, 4220G manual Setting a Password, Clear or Set, Parameter Description Option

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The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings.

Parameter

Description

Option

 

 

 

Supervisor Password is

Shows the setting of the Supervisor password

Clear or Set

User Password is

Shows the setting of the user password.

Clear or Set

 

 

 

Hard Disk Password Status

Shows the setting of the hard disk password.

Clear or Set

 

 

 

Set Supervisor Password

Press Enter to set the supervisor password.

 

 

When set, this password protects the BIOS

 

 

Setup Utility from unauthorized access. The

 

 

user can not either enter the Setup menu nor

 

 

change the value of parameters.

 

 

 

 

Set User Password

Press Enter to set the user password. When

 

 

user password is set, this password protects

 

 

the BIOS Setup Utility from unauthorized

 

 

access. The user can enter Setup menu only

 

 

and does not have right to change the value of

 

 

parameters.

 

 

 

 

Set Hard Disk Password

Press Enter to set the hard disk password.

 

 

When set, this password protects the BIOS

 

 

Setup Utility from unauthorized access. The

 

 

user can not either enter the Setup menu nor

 

 

change the value of parameters.

 

 

 

 

Password on Boot

Defines whether a password is required or not

Disabled or Enabled

 

while the events defined in this group

 

 

happened. The following sub-options are all

 

 

requires the Supervisor password for changes

 

 

and should be grayed out if the user password

 

 

was used to enter setup.

 

 

 

 

NOTE: When you are prompted to enter a password, you have three tries before the system halts. Don’t forget your password. If you forget your password, you may have to return your notebook computer to your dealer to reset it.

Setting a Password

Follow these steps as you set the supervisor, user, or hard disk password:

1.Use the w and y keys to highlight the Set Supervisor Password parameter and press the e key. The Set Supervisor Password box appears:

2.Type a password in the “Enter New Password” field. The password length can not exceed 8 alphanumeric characters (A-Z, a-z, 0-9, not case sensitive). Retype the password in the “Confirm New Password” field.

IMPORTANT: Be very careful when typing your password because the characters do not appear on the screen.

3.Press e. After setting the password, the computer sets the Supervisor Password parameter to “Set”.

4.If desired, you can opt to enable the Password on boot parameter.

5.When you are done, press u to save the changes and exit the BIOS Setup Utility.

Chapter 2

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Contents Aspire 4520/4220/4520G/4220G Series Service Guide Revision History Date Chapter UpdatesCopyright Conventions Preface Page System Specifications FeaturesChapter Communication AudioStorage subsystem Input devicesPage Environment Mono System Block Diagram System Block DiagramTop View Board LayoutBottom View Your Acer Notebook tour Front ViewIcon Description Closed Front View Left View Rear view Right ViewBase view IndicatorsEasy-Launch Buttons Icon Function DescriptionHDD Touchpad Basics Launch key Default applicationChapter Windows Keys Using the KeyboardDesired Access Num Lock On Num Lock Off Lock Keys and embedded numeric keypadTechnology on Hot KeysKey Icon Description Hot Key Icon Function DescriptionEuro symbol Special KeyUS dollar sign Acer Empowering Technology Empowering Technology passwordAcer eNet Management Chapter To create new power plan Acer ePower ManagementAC Mode Adapter mode DC Mode Battery modeAcer ePresentation Management Battery statusAcer eDataSecurity Management Chapter Acer eLock Management Acer eRecovery Management Getting to know your Acer OrbiCam Acer eSettings ManagementChanging the Acer OrbiCam resolution Using the Acer OrbiCam as webcamLaunching the Acer OrbiCam Acer GridVista dual-display compatible Using the System UtilitiesLaunch Manager Second Level Cache Hardware Specifications and ConfigurationsProcessor CPU Fan True Value Table0MB System MemoryMemory Combinations 2GBModem Interface Bluetooth InterfaceWireless Module 802.11a/b/g/n LAN InterfaceAudio Interface DVD-Dual InterfaceKeyboard USB PortPcmcia Port System Board Major ChipsLCD 14.1 inch BatterySystem Power Management LCD InverterAC Adaptor Chapter 2000 MHz System Utilities Bios Setup UtilityNavigating the Bios Utility Parameter Description InformationMain Boot Power ExitParameter Description Format/Option Security Set Supervisor PasswordSetting a Password Clear or SetParameter Description Option Changing a Password Removing a PasswordPage Power Exit BootPower DipmHipm Parameter Description Format/Option Exit Information Main Security Boot PowerBios Flash Utility Machine Disassembly and Replacement Before You Begin General InformationHDD Disassembly Procedure FlowchartScrew M2*4 Screw ListDescription Part Number Screw M2*3NLRemoving the Battery Pack Removing the ODD Module Removing the HDD ModuleChapter Removing the Memory Removing the Wireless LAN CardRemoving the Keyboard and LCD Module Detach the LCD module from the main unit Disassembling the Lower Case Assembly Disassembling the Main UnitRemoving the Main Board Removing the Speakers Disassembling the Upper Case AssemblyRemoving the Bluetooth Module Removing the Audio BoardRemoving the MDC Card Module Disassembling the Main BoardRemoving the Touchpad Cable Removing the USB BoardRemoving the CPU Removing the Thermal Module and System FanDisassembling the LCD Module Disassembling the External Modules Disassembling the HDD ModuleDisassembling the ODD Module Symptoms Verified Go To TroubleshootingKeyboard or Auxiliary Input Device Check System Check ProceduresExternal Diskette Drive Check External CD-ROM Drive CheckMemory check Power System CheckCheck the Power Adapter Touchpad Check Check the Battery PackPower-On Self-Test Post Error Message Error Codes Error Messages Index of Error MessagesError Code List Error Message ListCPU ID Cmos DimmNo beep Error Messages FRU/Action in Sequence LCDCRT Code Beeps Post Routine Description Phoenix Bios Beep CodesChapter Code Beeps Post Routine Description Code Beeps Power-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Indicator-Related SymptomsPower Management-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Speaker-Related SymptomsPeripheral-Related Symptoms Keyboard/Touchpad-Related SymptomsModem-Related Symptoms Intermittent Problems Dimm Undetermined ProblemsJumper and Connector Locations Bottom View FRU Field Replaceable Unit List Category Part Name and Description Acer Part No Aspire Mono Exploded DiagramPower Cord US 3PIN Rohs Power CORDSWI1.8M 3PBLACKPower Cordit 1.8M 3PBLACK Power CORDS.A 1.8M 3BLACKBase Duck Rubber Upper Case for FP W/TP, TPCable Lower Case W/ SPEAKER, Modem Cable Base ODD CAPGCC-T10N Pata LF W/O Bezel ODD Bracket DVD/CDRW Combo ModuleDVD/CDRW Combo Drive 24X Sony CRX880A LF W/O Bezel DVD/CDRW Combo Drive 24X HldsWD1600BEVS-22RST0 ML80 Sata LF WD1200BEVS-22RST0 ML80 Sata LFSata LF F/W3.ALD HTS541616J9SA00 SURUGA-B LF FCategory Part Name and Description Acer Part No LCD LCD Module 12.1 Wxga W Antenna 3 Wire W/0.3M CCD LCD 12.1 IN. TFT Wxga NON-GLAREWire W/0.3M CCD Bison LCD Cover Assy W/ANTENNA Wire W/0.3M CCD Suyin LCD Bezel Assy W/LOGO W/CCDLCD Module 12.1 Wxga W/O Antenna 2 Wire W/CCD LCD 12.1 IN. TFT Wxga NON-GLARELCD Bracket W/HINGE L LCD Bracket W/HINGE RLCD Module 12.1 Wxgag W/O Antenna 3 Wire W/ CCD LCD 12.1 IN. TFT Wxgag Glare AUAntenna 2 Wire W/CCD LCD 12.1 IN. TFT Wxgag Glare AU LCD Module 12.1 Wxgag WNT512T64UH8B0FN-3C LF Mainboard Mainboard 965GM Sata UMA WCard Reader W/O CPU Memory 512MB Hynix Ddrii 667 512MB HYMP564S64CP6-Y5 LF 512MB Nanya Ddrii 667 512MBScrew M2.0*6-I-BNINYLOK Screw M2.0*1.5-INIANTI-LOOSEScrew M2*5-IBZNNYLOK
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4220G, 4220, 4520G specifications

The Acer 4520G, 4220, and 4220G laptops are part of Acer’s previously popular Aspire series, known for delivering dependable performance and a range of features suitable for both casual users and professionals. Despite being older models, they still possess characteristics that can meet the demands of various computing needs.

First and foremost, these laptops are powered by AMD Turion 64 X2 processors, which provide a dual-core architecture, enabling them to handle multitasking effectively. This feature is particularly beneficial for users who engage in simultaneous applications, such as web browsing while streaming videos or editing documents. The efficient CPU performance ensures that the laptops maintain responsiveness during operation.

A notable advancement in the 4520G variant is the inclusion of a dedicated NVIDIA GeForce 8400M GS graphics card. This feature significantly enhances the graphical performance, making it suitable for light gaming and graphic-intensive applications. The integrated graphics in the 4220 and 4220G models, while adequate for everyday tasks, do not support demanding graphics as effectively.

Memory configurations for these models typically offer up to 4GB of RAM, which allows for smooth operation of everyday software and moderate gaming. Also, the inclusion of a 15.4-inch screen with a resolution of 1280x800 pixels provides a decent viewing experience suitable for both work and media consumption.

Storage options generally include a 120GB to 250GB hard drive, providing ample space for documents, applications, and media files. The laptops feature DVD-RW drives, enabling users to read and write CDs and DVDs, which is advantageous for data backup and media creation.

Connectivity options are also well-equipped, including several USB ports, HDMI output, and an Ethernet port for reliable internet connections. Wireless connectivity options, like Wi-Fi and Bluetooth, ensure that users can connect easily to networks and devices.

In terms of build, these laptops feature a sturdy design that, although bulkier than contemporary models, offers durability. The keyboard layout is comfortable for typing, and the touchpad provides decent responsiveness.

Overall, the Acer 4520G, 4220, and 4220G laptops present a blend of performance, reliability, and essential features. While they may not compete with the latest technology, they can still serve users who need a functional laptop for basic computing tasks.