Acer Aspire 4220 Service Guide
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Chapter 475 Index of Error Messages Error Code List Error CodesError Messages 006 Equipment Configuration Error Causes: 1. CPU BIOS Update Code Mismatch 2. IDE Primary Channel Master Drive Error (THe causes will be 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 disabled. Incorrect password is specified. Battery critical LOW In this situation BIOS will issue 4 short...
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76Chapter 4 Real time clock error RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. System board Previous boot incomplete - Default configuration used Run “Load Default Settings” in BIOS Setup Utility. RTC battery System board Memory size found by POST differed from CMOS Run “Load Default Settings” in BIOS Setup Utility. DIMM System board Diskette drive A error Check the drive is de fined with the proper diskette type in BIOS Setup Utility See “External Diskette...
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Chapter 477 Error Message List No beep Error MessagesFRU/Action in Sequence No beep, power-on indicator turns off and LCD is blank. Power source (battery pack and power adapter). See “Power System Check” on page 71.. Ensure every connector is connected tightly and correctly. Reconnect the DIMM. LED board. System board. No beep, power-on indicator turns on and LCD is blank. Power source (battery pack and power adapter). See “Power System Check” on page 71.. Reconnect the LCD connector Hard disk...
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78Chapter 4 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...
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Chapter 479 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...
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80Chapter 4 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...
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Chapter 481 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...
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82Chapter 4 Index of Symptom-to-FRU Error Message LCD-Related Symptoms Symptom / ErrorAction in Sequence LCD backlight doesnt work LCD is too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Enter BIOS Utility to execute “Load Setup Default Settings”, then reboot system. Reconnect the LCD connectors. Keyboard (if contrast and brightne ss function key doesnt work). LCD inverter ID LCD cable LCD inverter LCD System board Unreadable LCD screen Missing pels in characters Abnormal...
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Chapter 483 Battery can’t be charged See “Check the Battery Pack” on page 73. Battery pack System board PCMCIA-Related Symptoms Symptom / ErrorAction in Sequence System cannot detect the PC Card (PCMCIA) PCMCIA slot assembly System board PCMCIA slot pin is damaged. PCMCIA slot assembly Memory-Related Symptoms Symptom / ErrorAction in Sequence Memory count (size) appears different from actual size. Enter BIOS Setup Utility to execute “Load Default Settings, then reboot system. DIMM System board...
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84Chapter 4 NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined Problems” on page 86. Battery fuel gauge in Windows doesn’t go higher than 90%. Remove battery pack and let it cool for 2 hours. Refresh battery (continue use battery until power off, then charge battery). Battery pack System board System hangs intermittently. Reconnect hard disk/CD-ROM drives. Hard disk connection board System board Peripheral-Related Symptoms Symptom / ErrorAction in...