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Acer 7715Z, 7315 manual Removing BIOS Passwords, Cleaning BIOS Passwords

Models: 7715Z 7315

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Removing BIOS Passwords:

Removing BIOS Passwords:

To clear the User or Supervisor passwords, open the RAM door and use a metal instrument to short the J1 jumper.

Cleaning BIOS Passwords

To clean the User or Supervisor passwords, perform the following steps:

1.From a DOS prompt, execute clnpwd.exe

2.Press 1 or 2 to clean the desired password shown on the screen.

The onscreen message determines whether the function is successful or not.

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Chapter 2

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Acer 7715Z, 7315 manual Removing BIOS Passwords, Cleaning BIOS Passwords

Contents

Aspire 7715Z/7315 Series Service Guide PRINTED IN TAIWANRevision History UpdatesDate ChapterCopyright DisclaimerConventions SCREEN MESSAGESPreface Page Table of Contents System SpecificationsMachine Disassembly and Replacement System UtilitiesTable of Contents TroubleshootingTable of Contents Jumper and Connector LocationsTable of Contents System Specifications FeaturesDimensions and Weight ChapterPower subsystem CommunicationPrivacy control Special keys and controlsSystem Block Diagram ChapterYour Acer Notebook tour Front ViewIcon DescriptionClosed Front View IconDescription IconRear View Left ViewEnable the computer to stay cool, even after prolonged use DescriptionRight View Bottom ViewDescription IconIndicators IconDescription IconTouchPad Basics FunctionLeft Button Right ButtonUsing the Keyboard Lock Keys and embedded numeric keypadDesired access Lock keyWindows Keys DescriptionHot Keys HotkeyIcon FunctionHardware Specifications and Configurations SpecificationProcessor Specifications SpecificationSpecification BIOSSpecification SpecificationSpecification Wireless Module 802.11b/g/Draft-NSpecification Memory CombinationsSpecification Hard Disk Drive InterfaceSpecification SpecificationPower Requirement Super-Multi Drive ModulePower and Keyboard Controller SpecificationBattery SpecificationSpecification SpecificationLCD 17” Card ReaderChapter BIOS Setup Utility Navigating the BIOS UtilitySystem Utilities ChapterHM70-MV Intel BIOS InformationMain 4095 MB512 MB Advanced Parameter DescriptionSubmenu Items Security Supervisor Password IsDisabled ClearSetting a Password Removing a PasswordSet Supervisor Password Confirm New PasswordChanging a Password Set Supervisor PasswordEnter New Password Setup Notice Changes have been savedPower various CPU parametersParameter DescriptionSubmenu Items Boot Exit BIOS Flash Utilities DOS Flash Utility Plug in the AC power to continue ChapterWinFlash Utility 2. Click OK to begin the update. A progress screen displaysPerform the following steps to use the WinFlash Utility 1. Double-click the WinFlash executableRemove HDD/BIOS Password Utilities Remove HDD PasswordPassword UnlockHDRemoving BIOS Passwords Cleaning BIOS PasswordsUsing Boot Sequence Selector Using DMITools Read DMI Information from MemoryWrite Product Name to EEPROM Write Serial Number to EEPROMUsing the LAN MAC EEPROM Utility Chapter Machine Disassembly and Replacement Disassembly RequirementsChapter Pre-disassembly Instructions Disassembly ProcessMain Screw List ScrewExternal Module Disassembly Process External Modules Disassembly FlowchartScrew List StepRemoving the Battery Pack 1. Turn computer over. Slide the battery lock in the direction shownChapter Removing the SD Dummy Card 1. Push the SD dummy card all the way in to eject it2. Pull it out from the slot ChapterRemoving the Lower Covers StepSize QuantityRemoving the Optical Drive Module StepSize QuantityStep SizeQuantity Screw TypeRemoving the DIMM Modules 1. See “Removing the Lower Covers” on page3. Remove the DIMM module 4. Repeat steps for the second DIMM module if presentRemoving the WLAN Module 1. See “Removing the Lower Covers” on page2. Remove the adhesive tape securing the Antenna cables in place 3. Disconnect the antenna cables from the WLAN BoardStep SizeQuantity Screw TypeRemoving the Hard Disk Drive Module 1. See “Removing the Lower Covers” on page3. Lift the HDD Module clear of the HDD bay ChapterStep SizeQuantity Screw TypeMain Unit Disassembly Process Main Unit Disassembly FlowchartScrew List StepRemoving the Switch Cover Removing the Keyboard 1. See “Removing the Switch Cover” on page4. Open the locking latch and disconnect the FFC from the mainboard 5. Lift the keyboard clear of the Upper CoverRemoving the LCD Module StepSize Quantity4. Stand the computer on the LCD Panel and pull the Antenna cables completely through the chassis 9. Open the LCD Panel to the full extent to expose the Hinge Covers 11. Repeat the process for the right side Hinge CoverChapter Step SizeQuantity Screw TypeRemoving the Upper Cover StepSize QuantityAB C D 4. Disconnect the following four cables from the MainboardChapter 5. Disconnect A as shown 6. Disconnect C 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 shownStep SizeQuantity Screw TypeRemoving the Power Board Power BoardStep SizeRemoving the Left Speaker Module 1. See “Removing the Upper Cover” on page2. Locate the Left Speaker Module on the Upper Cover as shown 3. Remove the adhesive tape from the Speaker cableStep SizeQuantity Screw TypeRemoving the Right Speaker Module 1. See “Removing the Upper Cover” on page2. Locate the Right Speaker Module on the Upper Cover as shown ChapterStep SizeQuantity Screw TypeRemoving the TouchPad Bracket Step SizeQuantity Screw TypeRemoving the Mainboard StepSize QuantityRemoving the RTC Battery IMPORTANTFollow local regulations for disposal of all batteriesChapter Removing the Thermal Module StepSize Quantity4. Using both hands, lift the Thermal Module clear of the Mainboard ChapterRemoving the CPU Fan StepSize Quantity4. Lift the CPU Fan clear of the Mainboard as shown ChapterRemoving the CPU 1. See “Removing the Thermal Module” on page3. Lift the CPU clear of the socket as shown ChapterLCD Module Disassembly Process LCD Module Disassembly FlowchartScrew List StepRemoving the LCD Bezel StepSize QuantityRemoving the Camera Module 1. See “Removing the LCD Bezel” on page3. Remove the Camera from the module ChapterRemoving the LCD Panel StepSize Quantity5. Lift the LCD Panel clear of the module ChapterRemoving the LCD Brackets and FPC Cable StepSize QuantityChapter Removing the Antennas 5. Lift the left Antenna clear of the cover Chapter9. Lift the right Antenna clear of the cover ChapterLCD Module Reassembly Procedure Replacing the AntennasLocating Pin Locating Pin 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 Replacing the Camera Module 1. Place the camera in the LCD Module2. Connect the cable to the camera module ChapterReplacing the LCD Bezel 2. Replace the four screws and screw caps provided ChapterMain Module Reassembly Procedure Replacing the CPUSocket Pin1 LocatorReplacing the CPU Fan Replacing the Thermal ModuleReplacing the Mainboard Replacing the TouchPad Bracket Chapter Replacing the Right Speaker Module Replacing the Left Speaker Module 5. The cable runs as shown when correctly installed4. Secure the cable in place with adhesive tape Replacing the Power Board Replacing the Upper Cover2. Press down around the edges to secure it in place 3. Replace the nine screws in the Upper Cover as shownChapter AB C D 4. Replace the three screw caps as shown5. Connect the following cables to the Mainboard Chapter6. Connect A as shown 7. Connect C 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 placeReplacing the LCD Module Right ScrewCover 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 ChapterReplacing the Keyboard NOTE Ensure that the six locating tabs are correctly seated3. Press down as indicated to secure the Keyboard in place ChapterReplacing the Switch Cover Replacing the Hard Disk Drive Module1. Place the Switch Cover left side first on to the Upper Cover 2. Press down as indicated to snap the Switch Cover into place3. Insert the HDD, as indicated and lower it into place ChapterReplacing the WLAN Module Replacing the DIMM Modules1. Insert the DIMM Module in place 2. Press down to lock the DIMM module in placeReplacing the ODD Module Replacing the Lower CoversReplacing the SD Dummy Card 3. Replace the three screws to secure the covers in placeMemory CoverReplacing the Battery ChapterChapter Troubleshooting Common ProblemsSymptoms Verified ChapterPower On Issue Computer Shutsdown IntermittentlyNo Display Issue No POST or VideoRandom Loss of BIOS Settings Abnormal Video DisplayLCD Failure Built-In Keyboard FailureChapter TouchPad Failure Internal Speaker FailureSound Problems Microphone Problemsb. Select Set up microphone HDD Not Operating Correctly d. Select Repair your computerg. Select Startup Repair ODD Failure ODD Not Operating CorrectlyDiscs Do Not Play Discs Do Not Burn ProperlyPlayback is Choppy 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 ProblemsPost Codes MemoryCode DescriptionBDS & Specific action CodeDescription CodeReport that ExitBootServices has been called CodeDescription 0xF8Each PEIM entry point used in 80PORT Each Driver entry point used in 80PORTCode DescriptionCode DescriptionCode DescriptionCode DescriptionEach SmmDriver entry point used in 80PORT CodeDescription Jumper and Connector Locations Top ViewChapter DescriptionBottom View DESCRIPTIONPower Board LS-4852P ODD BoardDESCRIPTION DESCRIPTIONLS-4853P Battery Board LS-4854P Lid BoardM/B Connector Lid SwitchClearing Password Check and BIOS Recovery Clearing Password CheckSteps for Clearing BIOS Password Check Clear CMOS JumperBIOS Recovery by Crisis Disk BIOS Recovery Boot BlockBIOS Recovery Hotkey Steps for BIOS Recovery from USB StorageFRU Field Replaceable Unit List ChapterAspire 7715Z/7315 Exploded Diagrams Main AssemblyDescription Acer P/NBase Assembly DescriptionAcer P/N ChapterRear Assembly DescriptionAcer P/N ChapterAspire 7715Z/7315 FRU List BATTERYCATEGORY DESCRIPTIONCASE/COVER/BRACKET ASSEMBLY CATEGORYDESCRIPTION AcerPNCATEGORY DESCRIPTIONAcerPN CPU/PROCESSORCATEGORY DESCRIPTIONAcerPN DVD DRIVECATEGORY DESCRIPTIONAcerPN KEYBOARDCATEGORY DESCRIPTIONAcerPN CATEGORY DESCRIPTIONAcerPN MAINBOARDCATEGORY DESCRIPTIONAcerPN HEATSINKScrew List CATEGORYDESCRIPTION Acer PNModel Definition and Configuration Appendix AAspire Wireless LAN1Bluetooth ModelWireless LAN1 BluetoothModel Acer Part NoAspire 7715Z ModelAcer Part No CountryModel Acer Part NoCountry DescriptionModel Acer Part NoCountry DescriptionModel Acer Part NoCountry DescriptionModel Acer Part NoCountry DescriptionModel Acer Part NoVRAM MemoryModel Acer Part NoVRAM MemoryModel Acer Part NoVRAM MemoryModel Acer Part NoMemory MemoryModel Acer Part NoMemory MemoryWireless LAN1 BluetoothModel Acer Part NoWireless LAN1 BluetoothModel Acer Part NoWireless LAN1 BluetoothModel Acer Part NoWireless LAN1 BluetoothModel Acer Part NoTest Compatible Components Appendix BMicrosoft Windows 7 Environment Test BatteryVendor DescriptionVendor DescriptionAcer P/N KeyboardVendor DescriptionAcer P/N Northbridge ChipsetOnline Support Information Appendix CAppendix C Index Page