Acer Travelmate 7730a Service Guide
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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...
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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. •...