Aspire Digital 7520G, 7220G Peripheral-Related Symptoms, Keyboard/Touchpad-Related Symptoms

Page 92

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 88.

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Chapter 4

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Contents Service Guide Aspire 7520/7520G/7220/7220GDate Chapter Updates Revision HistoryCopyright DisclaimerConventions Screen MessagesPreface Page Chapter System SpecificationsFeatures Storage subsystem Environment System Block Diagram Board Layout Top ViewPJP2 Bottom ViewPJP1 Icon Description Your Acer Notebook TourFront View Closed Front View Left View DVIRight View Rear viewIndicators Base viewHDD Easy-Launch ButtonsIcon Function Description Launch Button Default application Touchpad BasicsUsing the Keyboard Desired Access Num Lock On Num Lock OffLock Keys and embedded numeric keypad Lock Key DescriptionWindows Keys Hot KeysKey Icon Description Hot Key Icon Function DescriptionEuro symbol Special KeyUS dollar sign Acer eNet Management Acer Empowering TechnologyEmpowering Technology password Page Acer ePower Management AC Mode Adapter modeBattery status Acer ePresentation ManagementAcer eDataSecurity Management Chapter Acer eLock Management Acer eRecovery Management Acer eSettings Management Launching the Acer OrbiCam Using the System Utilities Acer GridVista dual-display compatibleLaunch Manager Hardware Specifications and Configurations ProcessorCPU Fan True Value Table Second Level CacheSystem Memory Memory Combinations2GB 0MBBluetooth Interface Wireless Module 802.11a/b/g/nLAN Interface Modem InterfaceATA/ATAPI-6 ATA-6 ATA/ATA-6 ATA-6 DVD-Dual InterfaceRPM Audio Interface USB PortPcmcia Port System Board Major ChipsLCD 17 inch BatteryKeyboard AC Adapter System Power ManagementLCD Inverter System Power Management Chapter System Utilities Bios Setup Utility 00 GHzNavigating the Bios Utility Information Parameter DescriptionMain RevParameter Description Format/Option Security RevParameter Description Option Setting a PasswordClear or Set Removing a Password Changing a PasswordPage Acpi S3 AdvancedAcpi S1 Boot Information Main Security Advanced Boot ExitBios Flash Utility Chapter Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart HDDScrew List Description Part NumberScrew M2*3NL Screw M2*4Removing the Battery Pack Removing the HDD Module Removing the MemoryRemoving the Wireless LAN Card/Modem Card and TV Tuner Card Removing the System Fan/Thermal Modules/VGA Board and CPU Removing the Keyboard and LCD Module Detach the LCD module from the main unit Disassembling the Main Unit Disassembling the Lower Case Assembly Page Chapter Disassembling the Upper Case Assembly Disassembling the LCD Module Page Disassembling the ODD Module Disassembling the External ModulesDisassembling the HDD Module Troubleshooting Symptoms Verified Go ToSystem Check Procedures External Diskette Drive CheckExternal CD-ROM 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 Index of Error Messages Error Code ListError Message List Error Codes Error MessagesCmos Dimm CPU IDCRT No beep Error Messages FRU/Action in SequenceLCD Phoenix Bios Beep Codes Code Beeps Post Routine DescriptionChapter Code Beeps Post Routine Description Code Beeps Index of Symptom-to-FRU Error Message LCD-Related SymptomsIndicator-Related Symptoms Power-Related SymptomsPCMCIA-Related Symptoms Memory-Related SymptomsSpeaker-Related Symptoms Power Management-Related SymptomsModem-Related Symptoms Peripheral-Related SymptomsKeyboard/Touchpad-Related Symptoms Intermittent Problems Undetermined Problems DimmJumper and Connector Locations Bottom View FRU Field Replaceable Unit List Aspire Poyang Exploded Diagram Category Part Name and Description Acer Part NoButton Board W/CABLE Audio BoardLED Board W/CABLE USB Board for TVPAL to Ntsc Connector Power Cord US 3 PINPower Cord EU 3 PIN Power Cord AUS 3 PINThermal Door 17 DIS CPU/PROCESSOR Intel CPU Merom Dual CoreE1 Ufcpga Intel CPU Merom Dual Core E1 UFCPGA478P Intel CPU Merom Dual CoreDVD Super Multi Drive Philips DS-8A1P 0FA DVD Super Multi Drive Hlds GSADVD Super Multi Drive Sony AD ODD BEZEL-SUPER MultiHDD Door HDD BracketKeyboard Keyboard 17KB-FV2 105KS White US International Keyboard 17KB-FV2 105KS WhiteLCD Wireset SWISS/G Keyboard 17KB-FV2 105KS WhiteThailand Keyboard 17KB-FV2 106KS White Turkish Keyboard 17KB-FV2 106KS WhiteLCD Cover Assy 17 Logo W/MIC W Memory 512MB DdriiSamsung M470T6554EZ3-CE6 Memory 512MB Ddrii 667 Hynix Memory 1GB Ddrii 667 NanyaAccessory Remote Controller EU Remote Controller TSRemote Controller SC Remote Controller EN