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Acer 7315, 7715Z manual Troubleshooting, Common Problems, Chapter, Symptoms Verified, Go To

Models: 7715Z 7315

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Troubleshooting

Chapter 4

Troubleshooting

Common Problems

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 On Issue	Page 124
No Display Issue	Page 125

LCD Failure	Page 127

Internal Keyboard Failure	Page 127

TouchPad Failure	Page 128

Internal Speaker Failure	Page 128

ODD Failure	Page 131

WLAN Failure	Page 134

Thermal Unit Failure	Page 134

Other Functions Failure	Page 135

Intermittent Failures	Page 136

Undermined Failures	Page 136

4.If the Issue is still not resolved, see “Online Support Information” on page 185.

Chapter 4

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Acer 7315, 7715Z manual Troubleshooting, Common Problems, Chapter, Symptoms Verified, Go To

Contents

PRINTED IN TAIWAN Aspire 7715Z/7315 Series Service GuideUpdates Revision HistoryDate ChapterDisclaimer CopyrightSCREEN MESSAGES ConventionsPreface Page System Specifications Table of ContentsMachine Disassembly and Replacement System UtilitiesTroubleshooting Table of ContentsJumper and Connector Locations Table of ContentsTable of Contents Features System SpecificationsDimensions and Weight ChapterCommunication Power subsystemPrivacy control Special keys and controlsChapter System Block DiagramFront View Your Acer Notebook tourIcon DescriptionIcon Closed Front ViewDescription IconLeft View Rear ViewEnable the computer to stay cool, even after prolonged use DescriptionBottom View Right ViewDescription IconIcon IndicatorsDescription IconFunction TouchPad BasicsLeft Button Right ButtonLock Keys and embedded numeric keypad Using the KeyboardDesired access Lock keyDescription Windows KeysHotkey Hot KeysIcon FunctionSpecification Hardware Specifications and ConfigurationsProcessor Specifications SpecificationBIOS SpecificationSpecification SpecificationWireless Module 802.11b/g/Draft-N SpecificationSpecification Memory CombinationsHard Disk Drive Interface SpecificationSpecification SpecificationPower Requirement Super-Multi Drive ModuleSpecification Power and Keyboard ControllerBattery SpecificationSpecification SpecificationLCD 17” Card ReaderChapter Navigating the BIOS Utility BIOS Setup UtilitySystem Utilities ChapterInformation HM70-MV Intel BIOS4095 MB Main512 MB Advanced Description ParameterSubmenu Items Supervisor Password Is SecurityDisabled ClearRemoving a Password Setting a PasswordSet Supervisor Password Confirm New PasswordSet Supervisor Password Changing a PasswordEnter New Password Setup Notice Changes have been savedvarious CPU parameters PowerDescription ParameterSubmenu Items Boot Exit BIOS Flash Utilities DOS Flash Utility Chapter Plug in the AC power to continue2. Click OK to begin the update. A progress screen displays WinFlash UtilityPerform the following steps to use the WinFlash Utility 1. Double-click the WinFlash executableRemove HDD Password Remove HDD/BIOS Password UtilitiesPassword UnlockHDCleaning BIOS Passwords Removing BIOS PasswordsUsing Boot Sequence Selector Read DMI Information from Memory Using DMIToolsWrite Product Name to EEPROM Write Serial Number to EEPROMUsing the LAN MAC EEPROM Utility Chapter Disassembly Requirements Machine Disassembly and ReplacementChapter Disassembly Process Pre-disassembly InstructionsMain Screw List ScrewExternal Modules Disassembly Flowchart External Module Disassembly ProcessScrew List Step1. Turn computer over. Slide the battery lock in the direction shown Removing the Battery PackChapter 1. Push the SD dummy card all the way in to eject it Removing the SD Dummy Card2. Pull it out from the slot ChapterStep Removing the Lower CoversSize QuantityStep Removing the Optical Drive ModuleSize QuantitySize StepQuantity Screw Type1. See “Removing the Lower Covers” on page Removing the DIMM Modules3. Remove the DIMM module 4. Repeat steps for the second DIMM module if present1. See “Removing the Lower Covers” on page Removing the WLAN Module2. Remove the adhesive tape securing the Antenna cables in place 3. Disconnect the antenna cables from the WLAN BoardSize StepQuantity Screw Type1. See “Removing the Lower Covers” on page Removing the Hard Disk Drive Module3. Lift the HDD Module clear of the HDD bay ChapterSize StepQuantity Screw TypeMain Unit Disassembly Flowchart Main Unit Disassembly ProcessScrew List StepRemoving the Switch Cover 1. See “Removing the Switch Cover” on page Removing the Keyboard4. Open the locking latch and disconnect the FFC from the mainboard 5. Lift the keyboard clear of the Upper CoverStep Removing the LCD ModuleSize Quantity4. Stand the computer on the LCD Panel and pull the Antenna cables completely through the chassis 11. Repeat the process for the right side Hinge Cover 9. Open the LCD Panel to the full extent to expose the Hinge CoversChapter Size StepQuantity Screw TypeStep Removing the Upper CoverSize Quantity4. Disconnect the following four cables from the Mainboard AB C DChapter 6. Disconnect C as shown 5. Disconnect A as shown7. Release the locking latch on B and remove the FFC cable as shown 8. Release the locking latch on D and remove the FFC cable as shownSize StepQuantity Screw TypePower Board Removing the Power BoardStep Size1. See “Removing the Upper Cover” on page Removing the Left Speaker Module2. Locate the Left Speaker Module on the Upper Cover as shown 3. Remove the adhesive tape from the Speaker cableSize StepQuantity Screw Type1. See “Removing the Upper Cover” on page Removing the Right Speaker Module2. Locate the Right Speaker Module on the Upper Cover as shown ChapterSize StepQuantity Screw TypeRemoving the TouchPad Bracket Size StepQuantity Screw TypeStep Removing the MainboardSize QuantityIMPORTANTFollow local regulations for disposal of all batteries Removing the RTC BatteryChapter Step Removing the Thermal ModuleSize QuantityChapter 4. Using both hands, lift the Thermal Module clear of the MainboardStep Removing the CPU FanSize QuantityChapter 4. Lift the CPU Fan clear of the Mainboard as shown1. See “Removing the Thermal Module” on page Removing the CPU3. Lift the CPU clear of the socket as shown ChapterLCD Module Disassembly Flowchart LCD Module Disassembly ProcessScrew List StepStep Removing the LCD BezelSize Quantity1. See “Removing the LCD Bezel” on page Removing the Camera Module3. Remove the Camera from the module ChapterStep Removing the LCD PanelSize QuantityChapter 5. Lift the LCD Panel clear of the moduleStep Removing the LCD Brackets and FPC CableSize QuantityChapter Removing the Antennas Chapter 5. Lift the left Antenna clear of the coverChapter 9. Lift the right Antenna clear of the coverReplacing the Antennas LCD Module Reassembly ProcedureLocating Pin Locating Pin 6. Replace the adhesive strip to secure the Antenna in place Locating Pin Locating PinChapter 9. The Antennas and cables appear as shown when correctly installedReplacing the LCD Panel Chapter 1. Place the camera in the LCD Module Replacing the Camera Module2. Connect the cable to the camera module ChapterReplacing the LCD Bezel Chapter 2. Replace the four screws and screw caps providedReplacing the CPU Main Module Reassembly ProcedureSocket Pin1 LocatorReplacing the Thermal Module Replacing the CPU FanReplacing the Mainboard Replacing the TouchPad Bracket Chapter Replacing the Right Speaker Module 5. The cable runs as shown when correctly installed Replacing the Left Speaker Module4. Secure the cable in place with adhesive tape Replacing the Upper Cover Replacing the Power Board3. Replace the nine screws in the Upper Cover as shown 2. Press down around the edges to secure it in placeChapter 4. Replace the three screw caps as shown AB C D5. Connect the following cables to the Mainboard Chapter7. Connect C as shown 6. Connect A as shown8. Connect B and close the locking latch to secure the cable in place 9. Connect D and close the locking latch to secure the cable in placeRight Screw Replacing the LCD ModuleCover CoverRear Securing Clips 10. Replace the adhesive strip to secure the cable in place Chapter Chapter 17. Replace the two screws securing the LCD Module to the Lower CoverNOTE Ensure that the six locating tabs are correctly seated Replacing the Keyboard3. Press down as indicated to secure the Keyboard in place ChapterReplacing the Hard Disk Drive Module Replacing the Switch Cover1. Place the Switch Cover left side first on to the Upper Cover 2. Press down as indicated to snap the Switch Cover into placeChapter 3. Insert the HDD, as indicated and lower it into placeReplacing the DIMM Modules Replacing the WLAN Module1. Insert the DIMM Module in place 2. Press down to lock the DIMM module in placeReplacing the Lower Covers Replacing the ODD Module3. Replace the three screws to secure the covers in place Replacing the SD Dummy CardMemory CoverChapter Replacing the BatteryChapter Common Problems TroubleshootingSymptoms Verified ChapterComputer Shutsdown Intermittently Power On IssueNo POST or Video No Display IssueAbnormal Video Display Random Loss of BIOS SettingsBuilt-In Keyboard Failure LCD FailureChapter Internal Speaker Failure TouchPad FailureMicrophone Problems Sound Problemsb. Select Set up microphone d. Select Repair your computer HDD Not Operating Correctlyg. Select Startup Repair ODD Not Operating Correctly ODD FailureDiscs Do Not Burn Properly Discs Do Not PlayPlayback is Choppy a. Navigate to Start´ Control Panel´ Hardware and Sound´ AutoPlayDrive Read Failure Drive Not DetectedThermal Unit Failure Wireless Function FailureOther Failures External Mouse FailureUndetermined Problems Intermittent ProblemsMemory Post CodesCode DescriptionCode BDS & Specific actionDescription CodeCode Report that ExitBootServices has been calledDescription 0xF8Each Driver entry point used in 80PORT Each PEIM entry point used in 80PORTCode DescriptionDescription CodeDescription CodeDescription CodeCode Each SmmDriver entry point used in 80PORTDescription Top View Jumper and Connector LocationsChapter DescriptionDESCRIPTION Bottom ViewLS-4852P ODD Board Power BoardDESCRIPTION DESCRIPTIONLS-4854P Lid Board LS-4853P Battery BoardM/B Connector Lid SwitchClearing Password Check Clearing Password Check and BIOS RecoverySteps for Clearing BIOS Password Check Clear CMOS JumperBIOS Recovery Boot Block BIOS Recovery by Crisis DiskBIOS Recovery Hotkey Steps for BIOS Recovery from USB StorageChapter FRU Field Replaceable Unit ListMain Assembly Aspire 7715Z/7315 Exploded DiagramsDescription Acer P/NDescription Base AssemblyAcer P/N ChapterDescription Rear AssemblyAcer P/N ChapterBATTERY Aspire 7715Z/7315 FRU ListCATEGORY DESCRIPTIONCATEGORY CASE/COVER/BRACKET ASSEMBLYDESCRIPTION AcerPNDESCRIPTION CATEGORYAcerPN CPU/PROCESSORDESCRIPTION CATEGORYAcerPN DVD DRIVEDESCRIPTION CATEGORYAcerPN KEYBOARDDESCRIPTION CATEGORYAcerPN DESCRIPTION CATEGORYAcerPN MAINBOARDDESCRIPTION CATEGORYAcerPN HEATSINKCATEGORY Screw ListDESCRIPTION Acer PNAppendix A Model Definition and ConfigurationWireless LAN1 AspireBluetooth ModelBluetooth Wireless LAN1Model Acer Part NoModel Aspire 7715ZAcer Part No CountryAcer Part No ModelCountry DescriptionAcer Part No ModelCountry DescriptionAcer Part No ModelCountry DescriptionAcer Part No ModelCountry DescriptionAcer Part No ModelVRAM MemoryAcer Part No ModelVRAM MemoryAcer Part No ModelVRAM MemoryAcer Part No ModelMemory MemoryAcer Part No ModelMemory MemoryBluetooth Wireless LAN1Model Acer Part NoBluetooth Wireless LAN1Model Acer Part NoBluetooth Wireless LAN1Model Acer Part NoBluetooth Wireless LAN1Model Acer Part NoAppendix B Test Compatible ComponentsBattery Microsoft Windows 7 Environment TestVendor DescriptionDescription VendorAcer P/N KeyboardDescription VendorAcer P/N Northbridge ChipsetAppendix C Online Support InformationAppendix C Index Page