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Acer 7715Z, 7315 manual Power On Issue, Computer Shutsdown Intermittently

Models: 7715Z 7315

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Power On Issue

Power On Issue

If the system doesn’t power on, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs:

Computer Shutsdown Intermittently

If the system powers off at intervals, perform the following actions one at a time to correct the problem.

1.Check the power cable is properly connected to the computer and the electrical outlet.

2.Remove any extension cables between the computer and the outlet.

3.Remove any surge protectors between the computer and the electrical outlet. Plug the computer directly into a known good electrical outlet.

4.Disconnect the power and open the casing to check the Thermal Unit (see “Thermal Unit Failure” on page 134) and fan airways are free of obstructions.

5.Remove all external and non-essential hardware connected to the computer that are not necessary to boot the computer to the failure point.

6.Remove any recently installed software.

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

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Chapter 4

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Acer 7715Z, 7315 manual Power On Issue, Computer Shutsdown Intermittently

Contents

Aspire 7715Z/7315 Series Service Guide PRINTED IN TAIWANDate Revision HistoryUpdates ChapterCopyright DisclaimerConventions SCREEN MESSAGESPreface Page Machine Disassembly and Replacement Table of ContentsSystem Specifications System UtilitiesTable of Contents TroubleshootingTable of Contents Jumper and Connector LocationsTable of Contents Dimensions and Weight System SpecificationsFeatures ChapterPrivacy control Power subsystemCommunication Special keys and controlsSystem Block Diagram ChapterIcon Your Acer Notebook tourFront View DescriptionDescription Closed Front ViewIcon IconEnable the computer to stay cool, even after prolonged use Rear ViewLeft View DescriptionDescription Right ViewBottom View IconDescription IndicatorsIcon IconLeft Button TouchPad BasicsFunction Right ButtonDesired access Using the KeyboardLock Keys and embedded numeric keypad Lock keyWindows Keys DescriptionIcon Hot KeysHotkey FunctionProcessor Specifications Hardware Specifications and ConfigurationsSpecification SpecificationSpecification SpecificationBIOS SpecificationSpecification SpecificationWireless Module 802.11b/g/Draft-N Memory CombinationsSpecification Hard Disk Drive InterfacePower Requirement SpecificationSpecification Super-Multi Drive ModuleBattery Power and Keyboard ControllerSpecification SpecificationLCD 17” SpecificationSpecification Card ReaderChapter System Utilities BIOS Setup UtilityNavigating the BIOS Utility ChapterHM70-MV Intel BIOS Information512 MB Main4095 MB Advanced Submenu Items ParameterDescription Disabled SecuritySupervisor Password Is ClearSet Supervisor Password Setting a PasswordRemoving a Password Confirm New PasswordEnter New Password Changing a PasswordSet Supervisor Password Setup Notice Changes have been savedPower various CPU parametersSubmenu Items ParameterDescription Boot Exit BIOS Flash Utilities DOS Flash Utility Plug in the AC power to continue ChapterPerform the following steps to use the WinFlash Utility WinFlash Utility2. Click OK to begin the update. A progress screen displays 1. Double-click the WinFlash executablePassword Remove HDD/BIOS Password UtilitiesRemove HDD Password UnlockHDRemoving BIOS Passwords Cleaning BIOS PasswordsUsing Boot Sequence Selector Write Product Name to EEPROM Using DMIToolsRead DMI Information from Memory Write Serial Number to EEPROMUsing the LAN MAC EEPROM Utility Chapter Chapter Machine Disassembly and ReplacementDisassembly Requirements Main Screw List Pre-disassembly InstructionsDisassembly Process ScrewScrew List External Module Disassembly ProcessExternal Modules Disassembly Flowchart StepChapter Removing the Battery Pack1. Turn computer over. Slide the battery lock in the direction shown 2. Pull it out from the slot Removing the SD Dummy Card1. Push the SD dummy card all the way in to eject it ChapterSize Removing the Lower CoversStep QuantitySize Removing the Optical Drive ModuleStep QuantityQuantity StepSize Screw Type3. Remove the DIMM module Removing the DIMM Modules1. See “Removing the Lower Covers” on page 4. Repeat steps for the second DIMM module if present2. Remove the adhesive tape securing the Antenna cables in place Removing the WLAN Module1. See “Removing the Lower Covers” on page 3. Disconnect the antenna cables from the WLAN BoardQuantity StepSize Screw Type3. Lift the HDD Module clear of the HDD bay Removing the Hard Disk Drive Module1. See “Removing the Lower Covers” on page ChapterQuantity StepSize Screw TypeScrew List Main Unit Disassembly ProcessMain Unit Disassembly Flowchart StepRemoving the Switch Cover 4. Open the locking latch and disconnect the FFC from the mainboard Removing the Keyboard1. See “Removing the Switch Cover” on page 5. Lift the keyboard clear of the Upper CoverSize Removing the LCD ModuleStep Quantity4. Stand the computer on the LCD Panel and pull the Antenna cables completely through the chassis Chapter 9. Open the LCD Panel to the full extent to expose the Hinge Covers11. Repeat the process for the right side Hinge Cover Quantity StepSize Screw TypeSize Removing the Upper CoverStep QuantityChapter AB C D4. Disconnect the following four cables from the Mainboard 7. Release the locking latch on B and remove the FFC cable as shown 5. Disconnect A as shown6. Disconnect C as shown 8. Release the locking latch on D and remove the FFC cable as shownQuantity StepSize Screw TypeStep Removing the Power BoardPower Board Size2. Locate the Left Speaker Module on the Upper Cover as shown Removing the Left Speaker Module1. See “Removing the Upper Cover” on page 3. Remove the adhesive tape from the Speaker cableQuantity StepSize Screw Type2. Locate the Right Speaker Module on the Upper Cover as shown Removing the Right Speaker Module1. See “Removing the Upper Cover” on page ChapterQuantity StepSize Screw TypeRemoving the TouchPad Bracket Quantity StepSize Screw TypeSize Removing the MainboardStep QuantityChapter Removing the RTC BatteryIMPORTANTFollow local regulations for disposal of all batteries Size Removing the Thermal ModuleStep Quantity4. Using both hands, lift the Thermal Module clear of the Mainboard ChapterSize Removing the CPU FanStep Quantity4. Lift the CPU Fan clear of the Mainboard as shown Chapter3. Lift the CPU clear of the socket as shown Removing the CPU1. See “Removing the Thermal Module” on page ChapterScrew List LCD Module Disassembly ProcessLCD Module Disassembly Flowchart StepSize Removing the LCD BezelStep Quantity3. Remove the Camera from the module Removing the Camera Module1. See “Removing the LCD Bezel” on page ChapterSize Removing the LCD PanelStep Quantity5. Lift the LCD Panel clear of the module ChapterSize Removing the LCD Brackets and FPC CableStep QuantityChapter Removing the Antennas 5. Lift the left Antenna clear of the cover Chapter9. Lift the right Antenna clear of the cover ChapterLocating Pin Locating Pin LCD Module Reassembly ProcedureReplacing the Antennas Locating Pin Locating Pin 6. Replace the adhesive strip to secure the Antenna in place9. The Antennas and cables appear as shown when correctly installed ChapterReplacing the LCD Panel Chapter 2. Connect the cable to the camera module Replacing the Camera Module1. Place the camera in the LCD Module ChapterReplacing the LCD Bezel 2. Replace the four screws and screw caps provided ChapterSocket Main Module Reassembly ProcedureReplacing the CPU Pin1 LocatorReplacing the CPU Fan Replacing the Thermal ModuleReplacing the Mainboard Replacing the TouchPad Bracket Chapter Replacing the Right Speaker Module 4. Secure the cable in place with adhesive tape Replacing the Left Speaker Module5. The cable runs as shown when correctly installed Replacing the Power Board Replacing the Upper CoverChapter 2. Press down around the edges to secure it in place3. Replace the nine screws in the Upper Cover as shown 5. Connect the following cables to the Mainboard AB C D4. Replace the three screw caps as shown Chapter8. Connect B and close the locking latch to secure the cable in place 6. Connect A as shown7. Connect C as shown 9. Connect D and close the locking latch to secure the cable in placeCover Replacing the LCD ModuleRight Screw CoverRear Securing Clips 10. Replace the adhesive strip to secure the cable in place Chapter 17. Replace the two screws securing the LCD Module to the Lower Cover Chapter3. Press down as indicated to secure the Keyboard in place Replacing the KeyboardNOTE Ensure that the six locating tabs are correctly seated Chapter1. Place the Switch Cover left side first on to the Upper Cover Replacing the Switch CoverReplacing the Hard Disk Drive Module 2. Press down as indicated to snap the Switch Cover into place3. Insert the HDD, as indicated and lower it into place Chapter1. Insert the DIMM Module in place Replacing the WLAN ModuleReplacing the DIMM Modules 2. Press down to lock the DIMM module in placeReplacing the ODD Module Replacing the Lower CoversMemory Replacing the SD Dummy Card3. Replace the three screws to secure the covers in place CoverReplacing the Battery ChapterChapter Symptoms Verified TroubleshootingCommon Problems ChapterPower On Issue Computer Shutsdown IntermittentlyNo Display Issue No POST or VideoRandom Loss of BIOS Settings Abnormal Video DisplayChapter LCD FailureBuilt-In Keyboard Failure TouchPad Failure Internal Speaker Failureb. Select Set up microphone Sound ProblemsMicrophone Problems g. Select Startup Repair HDD Not Operating Correctlyd. Select Repair your computer ODD Failure ODD Not Operating CorrectlyPlayback is Choppy Discs Do Not PlayDiscs Do Not Burn Properly a. Navigate to Start´ Control Panel´ Hardware and Sound´ AutoPlayDrive Not Detected Drive Read FailureWireless Function Failure Thermal Unit FailureExternal Mouse Failure Other FailuresIntermittent Problems Undetermined ProblemsCode Post CodesMemory DescriptionDescription BDS & Specific actionCode CodeDescription Report that ExitBootServices has been calledCode 0xF8Code Each PEIM entry point used in 80PORTEach Driver entry point used in 80PORT DescriptionCode DescriptionCode DescriptionCode DescriptionDescription Each SmmDriver entry point used in 80PORTCode Chapter Jumper and Connector LocationsTop View DescriptionBottom View DESCRIPTIONDESCRIPTION Power BoardLS-4852P ODD Board DESCRIPTIONM/B Connector LS-4853P Battery BoardLS-4854P Lid Board Lid SwitchSteps for Clearing BIOS Password Check Clearing Password Check and BIOS RecoveryClearing Password Check Clear CMOS JumperBIOS Recovery Hotkey BIOS Recovery by Crisis DiskBIOS Recovery Boot Block Steps for BIOS Recovery from USB StorageFRU Field Replaceable Unit List ChapterDescription Aspire 7715Z/7315 Exploded DiagramsMain Assembly Acer P/NAcer P/N Base AssemblyDescription ChapterAcer P/N Rear AssemblyDescription ChapterCATEGORY Aspire 7715Z/7315 FRU ListBATTERY DESCRIPTIONDESCRIPTION CASE/COVER/BRACKET ASSEMBLYCATEGORY AcerPNAcerPN CATEGORYDESCRIPTION CPU/PROCESSORAcerPN CATEGORYDESCRIPTION DVD DRIVEAcerPN CATEGORYDESCRIPTION KEYBOARDAcerPN CATEGORYDESCRIPTION AcerPN CATEGORYDESCRIPTION MAINBOARDAcerPN CATEGORYDESCRIPTION HEATSINKDESCRIPTION Screw ListCATEGORY Acer PNModel Definition and Configuration Appendix ABluetooth AspireWireless LAN1 ModelModel Wireless LAN1Bluetooth Acer Part NoAcer Part No Aspire 7715ZModel CountryCountry ModelAcer Part No DescriptionCountry ModelAcer Part No DescriptionCountry ModelAcer Part No DescriptionCountry ModelAcer Part No DescriptionVRAM ModelAcer Part No MemoryVRAM ModelAcer Part No MemoryVRAM ModelAcer Part No MemoryMemory ModelAcer Part No MemoryMemory ModelAcer Part No MemoryModel Wireless LAN1Bluetooth Acer Part NoModel Wireless LAN1Bluetooth Acer Part NoModel Wireless LAN1Bluetooth Acer Part NoModel Wireless LAN1Bluetooth Acer Part NoTest Compatible Components Appendix BVendor Microsoft Windows 7 Environment TestBattery DescriptionAcer P/N VendorDescription KeyboardAcer P/N VendorDescription Northbridge ChipsetOnline Support Information Appendix CAppendix C Index Page