Pc P.o.s.t. Error Code List
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starting the remainder of the boot process. If the computer passes the POST, the computer may give a single beep (some computers may beep twice) as it starts and continue to boot. However, if the computer fails the POST, the
Post Error Codes
computer will either not beep or generate a beep code that tells the user the source asus beep codes of the problem. If your computer has an irregular POST or a beep code not mentioned below, follow the POST troubleshooting steps to
Gigabyte Beep Codes
determine the failing hardware component. AMI BIOS beep codes Award BIOS beep codes Dell beep codes IBM BIOS beep codes Macintosh startup tones Phoenix BIOS beep codes Motherboard help AMI BIOS beep codes Below are the AMI BIOS hp bios beep codes Beep codes that can occur. However, because of the wide variety of different computer manufacturers with this BIOS, the beep codes may vary. Beep Code Descriptions 1 short DRAM refresh failure 2 short Parity circuit failure 3 short Base 64K RAM failure 4 short System timer failure 5 short Process failure 6 short Keyboard controller Gate A20 error 7 short Virtual mode exception error 8 short Display memory Read/Write test failure 9 short ROM BIOS checksum three long beeps during the post sequence on an intel bios are an indication of what type of issue? failure 10 short CMOS shutdown Read/Write error 11 short Cache Memory error 1 long, 3 short Conventional/Extended memory failure 1 long, 8 short Display/Retrace test failed two-tone siren Low CPU Fan speed, Voltage Level issue AWARD BIOS beep codes Below are Award BIOS Beep codes that can occur. However, because of the wide variety of different computer manufacturers with this BIOS, the beep codes may vary. Beep Code Description 1 long, 2 short Indicates a video error has occurred and the BIOS cannot initialize the video screen to display any additional information 1 long, 3 short Video card not detected (reseat video card) or bad video card Beeps repeating endlessly RAM problem. Repeated high frequency beeps while PC is running Overheating processor (CPU) Repeated beeps alternating high & low frequency Issue with the processor (CPU), possibly damaged If any other correctable hardware issues are found, the BIOS displays a message. Dell beep codes Beep Code Description 1 beep BIOS ROM corruption or failure 2 beeps Memory (RAM) not detected 3 beeps Motherboard failure 4 beeps Memory (RAM) failure 5 beeps CMOS Battery failure 6 beeps Video card failure 7 beeps Bad processor (CPU) For other Dell beep codes, please refer to Dell's Beep Codes and PSA Diagnostics Chart page. IBM BIOS beep codes Below are general IBM BIOS Beep codes that can occur. However, because of the wide
Home Page | Contents AMI, Award, Phoenix, IBM, Links AMI AMI Post Codes - More Info @ AMI Link AWARD Award Post Codes - see the Phoenix Link. Phoenix POST codes listing @ Phoenix Link Beeps , Error Messages 1
Computer Beep Codes List
Standard one short beep on boot 1-2 Search for Option ROM, 1 long 2 short intel beep codes beeps on checksum failure 1-2-2-3 BIOS ROM checksum 1-3-1-1 Test DRAM refresh 1-3-1-3 Test 8742 Keyboard Controller 1-3-4-1 RAM Failure on address
Dell Beep Codes
'xxxx' 1-3-4-3 RAM Failure of data bits xxxx of low byte of memory 1-4-1-1 RAM Failure of data bits xxxx of high byte of memory 2-1-2-3 Check ROM copyright notice 2-2-3-1 Test for unexpected interrrupts http://www.computerhope.com/beep.htm The Original IBM PC POST codes Post diagnostic errors ( many are IBM PC/XT only and could vary from one system to another) 01x - Unknown Error 02x - Power supply 1xx - System motherboard error 161, Dead CMOS battery 2xx - Memory failure 3xx - Keyboard failure 4xx - Monochrome display adapter failure (video card error codes) 5xx - CGA (Color Graphics Adapter) display adapter failure 6xx - Floppy drive 7xx - http://www.techadvice.com/tech/P/POSTcode.htm Math co-processor error 8xx - 9xx - Parallel Printer port error 10xx - Second parallel printer port error 11xx - Serial Port error 12xx - Second serial port error 13xx - Game port adapter 14xx - Printer control 15xx - SDLC adapter 16xx - display emulator cards 17xx - Hard Drive 1701, POST failure of hard drive - ...Hard Drive Troubleshooting 1702, Hard Drive Adapter Card error 1703, Hard Drive failure 1704, Hard Drive OR Adapter failure 1780, Hard drive 0 failed 1781, Hard drive 1 failed 1782, Hard drive controler failed 1790, Hard drive 0 error 1791, Hard drive 1 error 18xx - I/O card error 19xx - 3270 card errors 20xx - BSC adapter 21xx - BSC adapter 22xx - 23xx - 24xx - EGA video card error, VGA error 25xx - 26xx - 27xx - 28xx - 29xx - 30xx - Network card error 31xx - Network card error 32xx - 33xx - 34xx - 35xx - 36xx - 74xx - VGA card 1xx, System Motherboard Errors 104xxx - ESDI hard drive error 101, Interrupt failure 102, Timer Failure 103, Timer Interrupt Failure 104, Protected mode failure 105, 8042 command error Links The "BIOS" page - You are at the www.techadvice.com site which is not associated with the company or produc
are explained below. 01xUndetermined problem 02xPower supply 1xxSystem board 2xxMemory 3xxKeyboard 4xxMonochrome display adapter PS/2 system board parrallel http://www.personal.psu.edu/~sab139/postcode.htm port 5xxColor Graphics Adapter (CGA) 6xxFloppy drive/adapter 7xx8087, 80287, 80387 math coprocessor 9xxParallel printer adapter 10xxAlternate parrallel printer adapter error 11xxAsynchronous communications adapter PS/2 System board async port 12xxPS/2 dual async adapter 13xxGame control adapter 15xxSynchronouse data link control (SDLC) communications adapter 17xxFixed disk (hard drive) 18xxI/O expansion unit 20xxBinary synchronous communications (BSC) adapter 21xxAlternate binary synchronous communcations adapter 30xxPrimary PC network adapter 31xxSecondary PC network adpater beep codes 73xx3.5 inch external disk drive 86xxPS/2 pointing device 100xxPS/2 multiprotocol adapter 104xxPS/2 ESDI fixed disk 01xUndetermined problem How does it really know it's a problem??? 02xPower supply How is it turning on to tell you that there is a problem??? 1xxSystem board 101System board; Interrupt failure 102System board; Timer failure 103System board; Timer interrupt failure 104System board; protected mode failure 105System board; last 8042 command pc p.o.s.t. error not accepted 106System board; Converting logic test 107System board; Hot non-maskable interrupt test 108System board; Timer bus test 109System board; Memory select error 110PS/2 system board; Parity check error 111PS/2 memory adapter 112PS/2 MicroChannel arbitration 113PS/2 MicroChannel arbitration 114PS/2 External ROM checksum error 115Cache parity error, ROM checksum, or DMA error 116System board port read/write failure 118System board parity or L2-cache error during previous power-on 119"E" Step level 82077 (floppy controller) and 2.88M drive installed (not supported) 120Microprocessor self test error 121256K ROM checksum error (second 128Kb bank) 121Unexpected hardware interrupts 131PC system board cassette port wrap test failed 131DMA compatibility registers error 132DMA extended registers error 133DMA verify logic error 134DMA arbitration logic error 151Battery or CMOS RAM failure 152Real-time clock or CMOS RAM failure 160PS/2 system board ID not recognized 161System options not set; dead battery 162System options not set; CMOS checksum/configuration error 163Time and Date not set; clock not updating 164Memory Size error; CMOS setting does not match RAM 165PS/2 system options not set 166PS/2 MicroChannel adapter time-out error 167PS/2 system clock not updating 168CMOS configuration error (math co-processor) 169System board and processor card configuration mismatch 170ASCII setup conflict error 170PC Convertible; LCD not