Acer ENTJ75, ENTJ76, ENTJ77, ENTJ78 manual

ENTJ75 / ENTJ76 / ENTJ77 / ENTJ78

SERVICEGUIDE

Contents

Main Page Contents i ii Chapter 3: Replacing notebook components. . . . . . . . . . . . . . . . . . . . . . . .43 iii Appendix B: Online support information. . . . . . . . . . . . . . . . . . . . . . . . . 151 Chapter 5: Connector locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135 Chapter 6: FRU (Field-Replaceable Unit) list . . . . . . . . . . . . . . . . . . . . . .139 Appendix A: Test compatible components . . . . . . . . . . . . . . . . . . . . . . . 147 Page Page Preface Conventions General information Features Platform System memory Display and graphics Storage subsystem Input devices Audio Communication I/O ports Security Physical specifications Environmental specifications Page Hardware specifications and configurations CPU BIOS Controllers Item Controller Memory Hard disk drive Optical drive Item LCD Keyboard Pointing device Memory card reader Audio Wired LAN Bluetooth Wireless LAN USB Buttons/Indicators/Ports Camera Fans Battery CPU temperature ( C) Fan speed (rpm) Acoustic level (dBA) Power supply Power savings ACPI mode Power Management Notebook product tour Front View Left View Right View Rear View Bottom View Keyboard area LCD panel Using the status indicators Using the keyboard Indicator Icon Description Key types System key combinations Key type Icon Description Press and hold FN, then press this system key... To... 6 F7 F8 Using the capacitive touch keys Button Description Using the touchpad Using the webcam To.. . Do this... Page BIOS setup utility 1 2 Navigating the BIOS setup utility 1 BIOS setup utility menus Information Parameter Description Main Use the Main menu to set the system time and date, and other basic options. Parameter Description Format/Options Security Parameter Description Option Parameter Description Format/Options 1 2 3 5 1 2 3 5 1 2 3 5 Boot To set boot drive sequence: 1 2 3 Exit The Exit menu screen lists options for quitting from the Setup Utility. Option Description BIOS recovery Creating the Crisis Recovery disk Performing a BIOS recovery Running the Flash utility: Clearing a BIOS password Unlocking the hard drive Page CHAPTER3 Replacing notebook components Preventing static electricity discharge Tape Preparing the work space Required tools Preparing the notebook Removing the battery Removing the bay cover Adding or replacing memory modules Page Replacing the wireless card Page Replacing the hard drive Page Replacing the optical drive Page Replacing the keyboard cover Page Replacing the multimedia board Page Replacing the keyboard Page Replacing the LCD panel assembly Page Page Page Replacing the palm rest Page Page Page Replacing the speakers Page Replacing the touchpad board Page Page Replacing the modem board Page Page Replacing the USB board Page Page Replacing the Bluetooth module Page Page Replacing the system board 9 10 11 Page Replacing the cooling assembly Page Page Replacing the processor Page Page Replacing the LCD front panel Page Page Replacing the webcam Page Replacing the LCD Page Page Replacing the LCD panel hinge brackets Page Replacing the power button board Page Replacing the Kensington lock cap Page Replacing the microphone Page Replacing the antennas Page Replacing the LCD assembly lid Page Page Diagnosing problems 1 2 3 System test procedures Testing the optical drive Testing the keyboard or auxiliary input device Testing the memory Testing the power system Check the power adapter Check the battery pack Testing the touchpad Power-On Self-Test (POST) error message Index of error messages Error codes Error messages Error Codes Error Messages Error Messages FRU/Action Sequence Error Messages FRU/Action Se quence No-beep error messages Error Messages FRU/Action Sequence No-beep Error Messages FRU/Action in Sequence Phoenix BIOS beep codes Page Page Page Page Symptom-to-FRU error messages LCD Power Memory Sound Power management Devices Keyboard and touchpad Intermittent problems Undetermined problems Page Page CHAPTER 5: Connector locations System board layout Top view Bottom view Discrete model CHAPTER 5: Connector locations Bottom view UMA model Page Introduction Exploded diagram Item Component CHAPTER 6: FRU (Field-Replaceable Unit) list FRU list Category Description Part No. Page CHAPTER 6: FRU (Field-Replaceable Unit) list Page Page Page APPENDIX A: Test compatible components Introduction Microsoft Windows 7 Compatibility Test Item Device name Page Page Page Index A B C D E F H I J N O P R S V W