Acer 4220G, 4520G manual Troubleshooting, Symptoms Verified Go To

Page 75

Chapter 4

Troubleshooting

Use the following procedure as a guide for computer problems.

NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses.

1.Obtain the failing symptoms in as much detail as possible.

2.Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating the same operation.

3.Use the following table with the verified symptom to determine which page to go to.

Symptoms (Verified)

Go To

 

 

Power failure (The power indicator does not go

“Power System Check” on page 71

on or stay on).

 

 

 

POST does not complete. No beep or error

“Power-OnSelf-Test (POST) Error Message” on

codes are indicated.

page 74

 

“Undetermined Problems” on page 86

 

 

POST detects an error and displayed messages

“Error Message List” on page 75

on screen.

 

 

 

Other symptoms (i.e. LCD display problems or

“Power-OnSelf-Test (POST) Error Message” on

others).

page 74

 

 

Symptoms cannot be re-created (intermittent

Use the customer-reported symptoms and go to

problems).

“Power-OnSelf-Test (POST) Error Message” on

 

page 74

 

“Intermittent Problems” on page 85

 

“Undetermined Problems” on page 86

 

 

Chapter 4

69

Image 75
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, 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.