Acer Aspire 9920G Service Manual

Also see for Aspire 9920G Series: User guide User guide

Contents

94 Chapter 4NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “UndeterminedProblems” on page 96.Battery fuel gauge in Windows doesn’t go higherthan 90%.Remove battery pack and let it cool for 2 hours.Refresh battery (continue use battery until power off, then chargebattery).Battery packSystem boardSystem hangs intermittently. Reconnect hard disk/CD-ROM drives.Hard disk connection boardSystem boardPeripheral-Related SymptomsSymptom / Error Action in SequenceSystem configuration does not match theinstalled devices.Enter BIOS Setup Utility to execute “Load Default Settings”, thenreboot system.Reconnect hard disk/CD-ROM/diskette drives.External display does not work correctly. Press Fn+F5, LCD/CRT/Both display switchingSystem boardUSB does not work correctly System boardPrint problems. Ensure the “Parallel Port” in the “Onboard Devices Configuration” ofBIOS Setup Utility is set to Enabled.Onboard Devices ConfigurationRun printer self-test.Printer driverPrinter cablePrinterSystem BoardSerial or parallel port device problems. Ensure the “Serial Port” in the Devices Configuration” of BIOS SetupUtility is set to Enabled.Device driverDevice cableDeviceSystem boardKeyboard/Touchpad-Related SymptomsSymptom / Error Action in SequenceKeyboard (one or more keys) does not work. Reconnect the keyboard cable.KeyboardSystem boardTouchpad does not work. Reconnect touchpad cable.Touchpad boardSystem boardModem-Related SymptomsSymptom / Error Action in SequenceInternal modem does not work correctly. Modem phone portmodem combo boardSystem boardPower Management-Related SymptomsSymptom / Error Action in Sequence