Acer TravelMate 7730 7730g User Manual
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Chapter 4: Troubleshooting141 Index of error messages Error codes Error messages Error CodesError Messages 006 Equipment Configuration Error Causes: 1. CPU BIOS Update Code Mismatch 2. IDE Primary Channel Master Drive Error (The causes are shown before “Equipment Configuration Error”) 010 Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) 070 Real Time Clock Error 071 CMOS Battery Bad 072 CMOS Checksum Error 110 System is disabled. An incorrect password was entered. Battery is critically low. In this situation BIOS issues four short beeps, then shuts the system down. No message is displayed. Temperature is critically high. In this situation BIOS shuts the system down. No message is displayed. Error MessagesFRU/Action Sequence Stuck Key See “Testing the keyboard or auxiliary input device” on page 137. Keyboard error See “Testing the keyboard or auxiliary input device” on page 137. Keyboard Controller Failed See “Testing the keyboard or auxiliary input device” on page 137. Keyboard locked - Unlock key switch Unlock the external keyboard. Monitor type does not match CMOS - Run SetupRun “Load Setup Defaults” using the BIOS Setup Utility, then reboot the notebook. Shadow RAM Failed at offset: nnnn • Test or replace the BIOS ROM. • Test or replace the system board. System RAM Failed at offset: nnnn • Test or replace the SO-DIMM. • Test or replace the system board. Extended RAM Failed at offset: nnnn • Test or replace the SO-DIMM. • Test or replace the system board. System battery is dead - Replace and run SetupReplace the CMOS battery, run the BIOS Setup Utility to reconfigure system time, then reboot the system. System CMOS checksum bad - Default configuration usedReplace the CMOS battery, run the BIOS Setup Utility to reconfigure system time, then reboot the system. System timer error • Replace the CMOS battery, run the BIOS Setup Utility to reconfigure system time, then reboot the system. • Test or replace the system board. Real time clock error • Replace the CMOS battery, run the BIOS Setup Utility to reconfigure system time, then reboot the system. • Test or replace the system board.
142Chapter 4: Troubleshooting Previous boot incomplete - Default configuration used• Run “Load Setup Defaults” using the BIOS Setup Utility, then reboot the notebook. • Replace the CMOS battery, run the BIOS Setup Utility to reconfigure system time, then reboot the system. • Test or replace the system board. Memory size found by POST differed from CMOS• Run “Load Setup Defaults” using the BIOS Setup Utility, then reboot the notebook. • Test or replace the SO-DIMM. • Test or replace the system board. Diskette drive A error • Make sure that the drive is defined with the proper diskette type in the BIOS Setup Utility •See “Testing the external diskette drive” on page 137. Incorrect Drive A type - run SETUP Make sure that the drive is defined with the proper diskette type in the BIOS Setup Utility System cache error - Cache disabled Test or replace the system board. CPU ID: Test or replace the system board. DMA Test Failed • Test or replace the SO-DIMM. • Test or replace the system board. Software NMI Failed • Test or replace the SO-DIMM. • Test or replace the system board. Fail-Safe Timer NMI Failed • Test or replace the SO-DIMM. • Test or replace the system board. Device Address Conflict • Run “Load Setup Defaults” using the BIOS Setup Utility, then reboot the notebook. • Replace the CMOS battery, run the BIOS Setup Utility to reconfigure system time, then reboot the system. • Test or replace the system board. Allocation Error for device • Run “Load Setup Defaults” using the BIOS Setup Utility, then reboot the notebook. • Replace the CMOS battery, run the BIOS Setup Utility to reconfigure system time, then reboot the system. • Test or replace the system board. Failing Bits: nnnn • Test or replace the SO-DIMM. • Test or replace the BIOS ROM. • Test or replace the system board. Fixed Disk n None Invalid System Configuration Data • Test or replace the BIOS ROM. • Test or replace the system board. I/O device IRQ conflict • Run “Load Setup Defaults” using the BIOS Setup Utility, then reboot the notebook. • Replace the CMOS battery, run the BIOS Setup Utility to reconfigure system time, then reboot the system. • Test or replace the system board. Operating system not found • Run the BIOS Setup Utility and see if fixed disk and drive A: are properly identified. • Test or replace the diskette drive • Test or replace the hard disk drive • Test or replace the system board Error MessagesFRU/Action Sequence
Chapter 4: Troubleshooting143 No-beep error messages No-beep Error MessagesFRU/Action in Sequence No beep, power-on indicator turns off and LCD is blank.• Test the power source (battery pack and power adapter). See “Testing the power system” on page 138. • Make sure that every connector is connected tightly and correctly. • Reconnect the SO-DIMM. • Test or replace the LED board. • Test or replace the system board. No beep, power-on indicator turns on and LCD is blank.• Test the power source (battery pack and power adapter). See “Testing the power system” on page 138. • Reconnect the LCD connector • Check the hard disk drive. • Check the LCD inverter ID. • Check the LCD cable. • Test or replace the LCD inverter. • Test or replace the LCD. • Test or replace the system board. No beep, power-on indicator turns on and LCD is blank. But you can see POST on an external CRT. • Reconnect the LCD connectors. • Check the LCD inverter ID. • Check the LCD cable. • Test or replace the LCD inverter. • Test or replace the LCD. • Test or replace the system board. No beep, power-on indicator turns on and a blinking cursor shown on LCD during POST.• Make sure that every connector is connected tightly and correctly. • Test or replace the system board. No beep during POST but system runs correctly.• Test or replace the speaker. • Test or replace the system board.
144Chapter 4: Troubleshooting Phoenix BIOS beep codes CodeBeepsPOST Routine Description 02h Verify Real Mode 03h Disable Non-Maskable Interrupt (NMI) 04h Get CPU type 06h Initialize system hardware 08h Initialize chipset with initial POST values 09h Set IN POST flag 0Ah Initialize CPU registers 0Bh Enable CPU cache 0Ch Initialize caches to initial POST values 0Eh Initialize I/O component 0Fh Initialize the local bus IDE 10h Initialize Power Management 11h Load alternate registers with initial POST values 12h Restore CPU control word during warm boot 13h Initialize PCI Bus Mastering devices 14h Initialize keyboard controller 16h 1-2-2-3 BIOS ROM checksum 17h Initialize cache before memory autosize 18h 8254 timer initialization 1Ah 8237 DMA controller initialization 1Ch Reset Programmable Interrupt Controller 20h 1-3-1-1 Test DRAM refresh 22h 1-3-1-3 Test 8742 Keyboard Controller 24h Set ES segment register to 4 GB 26h Enable A20 line 28h Autosize DRAM 29h Initialize POST Memory Manager 2Ah Clear 215 KB base RAM 2Ch 1-3-4-1 RAM failure on address line xxxx 2Eh 1-3-4-3 RAM failure on data bits xxxx of low byte of memory bus 2Fh Enable cache before system BIOS shadow 30h 1-4-1-1 RAM failure on data bits xxxx of high byte of memory bus 32h Test CPU bus-clock frequency 33h Initialize Phoenix Dispatch Manager 36h Warm start shut down 38h Shadow system BIOS ROM 3Ah Autosize cache 3Ch Advanced configuration of chipset registers 3Dh Load alternate registers with CMOS values 42h Initialize interrupt vectors 45h POST device initialization
Chapter 4: Troubleshooting145 46h 2-1-2-3 Check ROM copyright notice 48h Check video configuration against CMOS 49h Initialize PCI bus and devices 4Ah Initialize all video adapters in system 4Bh QuietBoot start (optional) 4Ch Shadow video BIOS ROM 4Eh Display BIOS copyright notice 50h Display CPU type and speed 51h Initialize EISA board 52h Test keyboard 54h Set key click if enabled 58h 2-2-3-1 Test for unexpected interrupts 59h Initialize POST display service 5Ah Display prompt “Press F2 to enter SETUP” 5Bh Disable CPU cache 5Ch Test RAM between 512 and 640 KB 60h Test extended memory 62h Test extended memory address lines 64h Jump to User Patch1 66h Configure advanced cache registers 67h Initialize Multi Processor APIC 68h Enable external and CPU caches 69h Setup System Management Mode (SMM) area 6Ah Display external L2 cache size 6Bh Load custom defaults (optional) 6Ch Display shadow-area message 6Eh Display possible high address for UMB recovery 70h Display error messages 72h Check for configuration errors 76h Check for keyboard errors 7Ch Set up hardware interrupt vectors 7Eh Initialize coprocessor if present 80h Disable onboard Super I/O ports and IRQs 81h Late POST device initialization 82h Detect and install external RS232 ports 83h Configure non-MCD IDE controllers 84h Detect and install external parallel ports 85h Initialize PC-compatible PnP ISA devices 86h Re-initialize onboard I/O ports 87h Configure Motherboard Configurable Devices (optional) 88h Initialize BIOS Area 89h Enable Non-Maskable Interrupts (NMIs) 8Ah Initialize Extended BIOS Data Area CodeBeepsPOST Routine Description
146Chapter 4: Troubleshooting 8Bh Test and initialize PS/2 mouse 8Ch Initialize floppy controller 8Fh Determine number of ATA drives (optional) 90h Initialize hard-disk controllers 91h Initialize local-bus hard-disk controllers 92h Jump to UserPatch2 93h Build MPTABLE for multi-processor boards 95h Install CD ROM for boot 96h Clear huge ES segment register 97h Fixup Multi Processor table 98h 1-2 Search for option ROMs. One long, two short beeps on checksum failure. 99h Check for SMART drive (optional) 9Ah Shadow option ROMs 9Ch Set up Power Management 9Dh Initialize security engine (optional) 9Eh Enable hardware interrupts 9Fh Determine number of ATA and SCSI drives A0h Set time of day A2h Check key lock A4h Initialize Typematic rate A8h Erase F2 prompt AAh Scan for F2 key stroke ACh Enter SETUP AEh Clear Boot flag B0h Check for errors B2h POST done- prepare to boot operating system B4h 1 One short beep before boot B5h Terminate QuietBoot (optional) B6h Check password (optional) B9h Prepare Boot BAh Initialize DMI parameters BBh Initialize PnP Option ROMs BCh Clear parity checkers BDh Display MultiBoot menu BEh Clear screen (optional) BFh Check virus and backup reminders C0h Try to boot with INT 19 C1h Initialize POST Error Manager (PEM) C2h Initialize error logging C3h Initialize error display function C4h Initialize system error handler C5h PnPnd dual CMOS (optional) C6h Initialize notebook docking (optional) CodeBeepsPOST Routine Description
Chapter 4: Troubleshooting147 C7h Initialize notebook docking late C8h Force check (optional) C9h Extended checksum (optional) D2h Unknown interrupt CodeBeeps E0h Initialize the chipset E1h Initialize the bridge E2h Initialize the CPU E3h Initialize the system timer E4h Initialize system I/O E5h Check force recovery boot E6h Checksum BIOS ROM E7h Go to BIOS E8h Set Huge Segment E9h Initialize Multi Processor EAh Initialize OEM special code EBh Initialize PIC and DMA ECh Initialize Memory type EDh Initialize Memory size EEh Shadow Boot Block EFh System memory test F0h Initialize interrupt vectors F1h Initialize Run Time Clock F2h Initialize video F3h Initialize System Management Mode F4h 1 Output one beep before boot F5h Boot to Mini DOS F6h Clear Huge Segment F7h Boot to Full DOS CodeBeepsPOST Routine Description
148Chapter 4: Troubleshooting Symptom-to-FRU error messages LCD Indicator Power Symptom / ErrorAction in Sequence • The LCD backlight doesnt work. • The LCD is too dark. • The LCD brightness cannot be adjusted. • The LCD contrast cannot be adjusted.• Run “Load Setup Defaults” using the BIOS Setup Utility, then reboot the notebook. • Reconnect the LCD connectors. • Test or replace the keyboard (if contrast and brightness function key doesnt work). • Check the LCD inverter ID. • Test or replace the LCD cable. • Test or replace the LCD inverter. • Test or replace the LCD. • Test or replace the system board. • The LCD screen is unreadable. • Missing pels in characters. • The screen appears abnormal. • The wrong color is displayed.• Reconnect the LCD connector. • Check the LCD inverter ID. • Test or replace the LCD cable. • Test or replace the LCD inverter. • Test or replace the LCD. • Test or replace the system board. The LCD is displaying extra horizontal or vertical lines.• Check the LCD inverter ID. • Test or replace the LCD cable. • Test or replace the LCD inverter. • Test or replace the LCD. • Test or replace the system board. Symptom / ErrorAction in Sequence Indicator incorrectly remains off or on, but system runs correctly. • Reconnect the inverter board. • Test or replace the LCD inverter. • Test or replace the system board. Symptom / ErrorAction in Sequence The notebook shuts down during operation.• Test the power source (battery pack and power adapter). See “Testing the power system” on page 138. • Replace the battery pack. • Test or replace the power adapter. • Test or replace the system board. The notebook doesn’t turn on. • Test the power source (battery pack and power adapter). See “Testing the power system” on page 138. • Replace the battery pack. • Test or replace the power adapter. • Test or replace the system board.
Chapter 4: Troubleshooting149 ExpressCard (NewCard) Memory Sound Power management The notebook doesn’t turn off. • Test the power source (battery pack and power adapter). See “Testing the power system” on page 138. • Press and hold the power button for more than four seconds. • Test or replace the system board. The battery can’t be charged. • Test the battery pack. See “Check the battery pack” on page 139. • Replace the battery pack. • Test or replace the system board. Symptom / ErrorAction in Sequence The notebook cannot detect the ExpressCard• Test or replace the ExpressCard assembly. See “Replacing the ExpressCard (NewCard) assembly” on page 112. • Test or replace the system board. ExpressCard slot pin is damaged. • Test or replace the ExpressCard assembly. See “Replacing the ExpressCard (NewCard) assembly” on page 112. Symptom / ErrorAction in Sequence Memory count (size) appears different from actual size.• Run “Load Setup Defaults” using the BIOS Setup Utility, then reboot the notebook. • Test or replace the SO-DIMM. • Test or replace the system board. Symptom / ErrorAction in Sequence No sound comes from the notebook when running Windows multimedia programs.• Reinstall the audio driver. • Test or replace the speakers. • Test or replace the system board. The internal speakers make noise or emit no sound.• Test or replace the speakers. • Test or replace the system board. Symptom / ErrorAction in Sequence The notebook will not hibernate. • See “Save to Disk (S4)” on page 33. • Test or replace the keyboard (if control is from the keyboard). • Test or replace the hard disk drive. • Test or replace the system board. Symptom / ErrorAction in Sequence
150Chapter 4: Troubleshooting Devices The system doesnt hibernate and emits four short beeps every minute.• Press Fn+o and see if the notebook enters hibernation mode. • Test or replace the touchpad. • Test or replace the keyboard. • Check the hard disk connection to the system board. • Test or replace the hard disk drive. • Test or replace the system board. The notebook doesn’t enter standby mode after closing the LCD.•< Athena: Why are they looking at a spec?> See “Save to Disk (S4)” on page 33. • Test or replace the system board. The system doesnt resume from hibernation mode.•< Athena: Why are they looking at a spec?> See “Save to Disk (S4)” on page 33. • Check the hard disk connection to the system board. • Test or replace the hard disk drive. • Test or replace the system board. The system doesnt resume from standby mode after opening the LCD.•< Athena: Why are they looking at a spec?> See “Save to Disk (S4)” on page 33. • Test or replace the system board. The battery fuel gauge in Windows doesn’t go higher than 90%. • Remove the battery pack and let it cool for two hours. • Refresh the battery (use only battery power until the notebook turns off, then charge the battery). • Test or replace the battery pack. • Test or replace the system board. The system hangs intermittently. • Reconnect the hard disk drive and optical drive. • Check the hard disk connection to the system board. • Test or replace the system board. Symptom / ErrorAction in Sequence System configuration does not match the installed devices. • Run “Load Setup Defaults” using the BIOS Setup Utility, then reboot the notebook. • Reconnect the hard disk drive and optical drive. The external display does not work correctly.• Press Fn+F5 repeatedly to switch between LCD, external display, and both displays. • Test or replace the system board. USB does not work correctly. • Test or replace the ExpressCard assembly. See “Replacing the ExpressCard (NewCard) assembly” on page 112. • Test or replace the system board. Printer problems. • Run the printer self-test. • Reinstall the printer driver. • Test or replace the printer cable. • Test or replace the printer. • Test or replace the system board. Serial or parallel port device problems. • Reinstall the device driver. • Test or replace the device cable. • Test or replace the device. • Test or replace the system board. Symptom / ErrorAction in Sequence