Acer 4520G, 4220G manual Peripheral-Related Symptoms, Keyboard/Touchpad-Related Symptoms

Page 90

Power Management-Related Symptoms

Symptom / Error

Action in Sequence

 

 

Battery fuel gauge in Windows doesn’t go higher

Remove battery pack and let it cool for 2 hours.

than 90%.

Refresh battery (continue use battery until power off, then charge

 

battery).

 

Battery pack

 

System board

 

 

System hangs intermittently.

Reconnect hard disk/CD-ROM drives.

 

Hard disk connection board

 

System board

 

 

Peripheral-Related Symptoms

Symptom / Error

Action in Sequence

 

 

System configuration does not match the

Enter BIOS Setup Utility to execute “Load Default Settings”, then

installed devices.

reboot system.

 

Reconnect hard disk/CD-ROM/diskette drives.

 

 

External display does not work correctly.

Press Fn+F5, LCD/CRT/Both display switching

 

System board

 

 

USB does not work correctly

System board

 

 

Print problems.

Ensure the “Parallel Port” in the “Onboard Devices Configuration” of

 

BIOS Setup Utility is set to Enabled.

 

Onboard Devices Configuration

 

Run printer self-test.

 

Printer driver

 

Printer cable

 

Printer

 

System Board

 

 

Serial or parallel port device problems.

Ensure the “Serial Port” in the Devices Configuration” of BIOS Setup

 

Utility is set to Enabled.

 

Device driver

 

Device cable

 

Device

 

System board

 

 

Keyboard/Touchpad-Related Symptoms

Symptom / Error

Action in Sequence

 

 

Keyboard (one or more keys) does not work.

Reconnect the keyboard cable.

 

Keyboard

 

System board

 

 

Touchpad does not work.

Reconnect touchpad cable.

 

Touchpad board

 

System board

 

 

Modem-Related Symptoms

Symptom / Error

Action in Sequence

 

 

Internal modem does not work correctly.

Modem phone port

 

modem combo board

 

System board

 

 

NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined Problems” on page 86.

84

Chapter 4

Image 90
Contents Aspire 4520/4220/4520G/4220G Series Service Guide Date Chapter Updates Revision HistoryCopyright Conventions Preface Page System Specifications FeaturesChapter Input devices AudioStorage subsystem CommunicationPage Environment System Block Diagram Mono System Block DiagramBoard Layout Top ViewBottom View Your Acer Notebook tour Front ViewIcon Description Closed Front View Left View Right View Rear viewIndicators Base viewEasy-Launch Buttons Icon Function DescriptionHDD Launch key Default application Touchpad BasicsChapter Lock Keys and embedded numeric keypad Using the KeyboardDesired Access Num Lock On Num Lock Off Windows KeysHot Key Icon Function Description Hot KeysKey Icon Description Technology onEuro symbol Special KeyUS dollar sign Acer Empowering Technology Empowering Technology passwordAcer eNet Management Chapter DC Mode Battery mode Acer ePower ManagementAC Mode Adapter mode To create new power planBattery status Acer ePresentation ManagementAcer eDataSecurity Management Chapter Acer eLock Management Acer eRecovery Management Acer eSettings Management Getting to know your Acer OrbiCamChanging the Acer OrbiCam resolution Using the Acer OrbiCam as webcamLaunching the Acer OrbiCam Using the System Utilities Acer GridVista dual-display compatibleLaunch Manager CPU Fan True Value Table Hardware Specifications and ConfigurationsProcessor Second Level Cache2GB System MemoryMemory Combinations 0MBLAN Interface Bluetooth InterfaceWireless Module 802.11a/b/g/n Modem InterfaceDVD-Dual Interface Audio InterfaceSystem Board Major Chips USB PortPcmcia Port KeyboardBattery LCD 14.1 inchSystem Power Management LCD InverterAC Adaptor Chapter System Utilities Bios Setup Utility 2000 MHzNavigating the Bios Utility Information Parameter DescriptionBoot Power Exit MainParameter Description Format/Option Set Supervisor Password SecuritySetting a Password Clear or SetParameter Description Option Removing a Password Changing a PasswordPage Boot Power ExitPower DipmHipm Parameter Description Format/Option Information Main Security Boot Power ExitBios Flash Utility Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart HDDScrew M2*3NL Screw ListDescription Part Number Screw M2*4Removing the Battery Pack Removing the HDD Module Removing the ODD ModuleChapter Removing the Wireless LAN Card Removing the MemoryRemoving 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 Audio Board Disassembling the Upper Case AssemblyRemoving the Bluetooth Module Removing the SpeakersRemoving the USB Board Disassembling the Main BoardRemoving the Touchpad Cable Removing the MDC Card ModuleRemoving the Thermal Module and System Fan Removing the CPUDisassembling the LCD Module Disassembling the External Modules Disassembling the HDD ModuleDisassembling the ODD Module Troubleshooting Symptoms Verified Go ToExternal CD-ROM Drive Check System Check ProceduresExternal Diskette Drive Check Keyboard or Auxiliary Input Device CheckPower System Check Memory checkCheck the Power Adapter Check the Battery Pack Touchpad CheckPower-On Self-Test Post Error Message Error Message List Index of Error MessagesError Code List Error Codes Error MessagesCmos Dimm CPU IDNo beep Error Messages FRU/Action in Sequence LCDCRT Phoenix Bios Beep Codes Code Beeps Post Routine DescriptionChapter Code Beeps Post Routine Description Code Beeps Indicator-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Power-Related SymptomsSpeaker-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Power Management-Related SymptomsPeripheral-Related Symptoms Keyboard/Touchpad-Related SymptomsModem-Related Symptoms Intermittent Problems Undetermined Problems DimmJumper and Connector Locations Bottom View FRU Field Replaceable Unit List Aspire Mono Exploded Diagram Category Part Name and Description Acer Part NoPower CORDS.A 1.8M 3BLACK Power CORDSWI1.8M 3PBLACKPower Cordit 1.8M 3PBLACK Power Cord US 3PIN RohsCable Base ODD CAP Upper Case for FP W/TP, TPCable Lower Case W/ SPEAKER, Modem Base Duck RubberCRX880A LF W/O Bezel DVD/CDRW Combo Drive 24X Hlds DVD/CDRW Combo ModuleDVD/CDRW Combo Drive 24X Sony GCC-T10N Pata LF W/O Bezel ODD BracketHTS541616J9SA00 SURUGA-B LF F WD1200BEVS-22RST0 ML80 Sata LFSata LF F/W3.ALD WD1600BEVS-22RST0 ML80 Sata LFCategory Part Name and Description Acer Part No Wire W/0.3M CCD Suyin LCD Bezel Assy W/LOGO W/CCD 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 LCD LCD Module 12.1 Wxga WLCD Bracket W/HINGE R Antenna 2 Wire W/CCD LCD 12.1 IN. TFT Wxga NON-GLARELCD Bracket W/HINGE L LCD Module 12.1 Wxga W/OLCD Module 12.1 Wxgag W 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 W/OHYMP564S64CP6-Y5 LF 512MB Nanya Ddrii 667 512MB Mainboard Mainboard 965GM Sata UMA WCard Reader W/O CPU Memory 512MB Hynix Ddrii 667 512MB NT512T64UH8B0FN-3C LFScrew M2.0*6-I-BNINYLOK Screw M2.0*1.5-INIANTI-LOOSEScrew M2*5-IBZNNYLOK
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4220G, 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.