BIOS BEEP ERROR CODE LIST:
| ID | Problem Description | Problem Solution |
|---|---|---|
| 1 | No Beep or no sound | Power supply bad or not plugged in. |
| 2 | Continuous beep | Power supply bad or bad keyboard |
| 3 | 2 short beeps with a Compaq | This is normal with desktop and most older laptop models. |
| 4 | Repeating short beep | Power supply bad |
| 5 | One short beep | This is normal on many computers (no error) |
| 6 | 1 long beep, 1 short beep | Motherboard failure |
| 7 | 1 long beep 2 short beeps | Failure of video display or cable could be unattached |
| 8 | 1 short beep, blank screen | Failure of display or unattached cable |
| 9 | 1 short beep with no boot | Floppy drive failure or loose cable |
| 10 | 2 short beeps PS2 only | Configuration error, check jumpers. |
POST ERROR CODE DETAIL:
| POST Code | Problem Solution |
|---|---|
| 02x | Power supply error |
| 1xx | System board error |
| 101 | Interrupt failure, probably replace motherboard |
| 102 | Timer failure, check timing jumpers |
| 103 | Timer interrupt failure check jumpers |
| 104 | Protected mode failure reload dos |
| 105 | Last 8042 command not accepted |
| 106 | Converting Logic test error, possible bad processor |
| 107 | Hot NMI Test |
| 108 | Failure with the timer bus test, check timing jumpers |
| 109 | Direct memory access test error |
| 121 | Unexpected hardware interrupt, check jumpers on attached devices |
| 161 | AT Battery failure, replace CMOS battery |
| 162 | Rerun Setup |
| 163 | Time and date not set |
| 164 | Memory size error, run setup |
| 165 | PS2 doesn't know how to configure board, put in setup disk |
| 199 | User indicated configuration not correct, check jumpers |
| 2xx | RAM error, test memory with external device |
| 201 | Memory test failed, probably bad RAM |
| 202 | Memory address error |
| 203 | Memory address error |
| 3xx | Keyboard errors, try replacing keyboard |
| 301 | Keyboard error, try replacing keyboard |
| 302 | Key lock locked on CPU, unlock unit with key |
| 303 | Keyboard or system unit error, try replacing keyboard |
| 304 | CMOS does not match system, rerun setup |
| 4xx | Monochrome monitor errors, check adapter card |
| 401 | Adapter memory error, replace card |
| 408 | User indicated display attributes failure |
| 416 | Character set failure |
| 424 | 80x25 mode failure |
| 432 | Parallel port failure |
| 5xx | Color monitor errors |
| 501 | Color adapter memory, horizontal sync frequency or video test failed. Replace card or test Monitor board (Not recommended without electrical training) |
| 508 | Display attributes failure |
| 516 | Character set failure |
| 524 | 80x25 mode failure |
| 532 | 40x25 mode failure |
| 540 | 320x200 mode failure |
| 548 | 640x200 mode failure |
| 6xx | Diskette drive controller failure. Replace motherboard if on board directly or replace with an ISA card. |
| 601 | Adapter or drive failure of post for floppy drive |
| 602 | Diskette failed post or boot record is not valid |
| 606 | Diskette verify function failed |
| 607 | Write protected disk |
| 608 | Bad command diskette status returned |
| 610 | Diskette initialized failure |
| 611 | Timeout |
| 612 | Bad NEC chip on disk controller |
| 613 | Adapter failed DMA test for diskette |
| 621 | Bad seek |
| 622 | Bad CRC found |
| 623 | Record not found |
| 624 | Bad address mark |
| 625 | Bad NEC seek |
| 626 | Diskette data compare error |
| 7xx | Math Coprocessor errors |
| 9xx | Printer adapter errors |
| 1101 | Asynchronous. (rs232) adapter failure com 1 or 3 |
| 1201 | Asynchronous. (rs232) adapter failure com 2 or 4 |
| 13xx | Game port failure |
| 1301 | Game adapter test failed |
| 1302 | Joystick test failed |
| 14xx | Printer errors |
| 1401 | Printer test failed |
| 1402 | Dot Matrix printer test failed |
| 15xx | 1500’s Terminal synchronization Failure |
| 1513 | 8253 timer 1 did not reach terminal count |
| 1514 | 8252 timer 1 stuck |
| 1515 | 8253 timer 0 did not reach terminal count |
| 1514 | 8253 timer 1 stuck on |
| 1516 | 8253 timer 0 stuck on |
| 1517 | 8253 Timer 2 did not reach terminal count |
| 1518 | 8253 timer 2 stuck on |
| 1519 | 8273 Port B error on |
| 1520 | 8273 Port A error |
| 1521 | 8273 Command read timeout |
| 1522 | Interrupt level 4 failure |
| 1523 | Ring indicate stuck on |
| 1524 | Receive clock stuck on |
| 1525 | Transmit clock stuck on |
| 1526 | Test indicate stuck on |
| 1527 | Ring indicate not on. |
| 1528 | Transmit clock not on. |
| 1531 | Data set ready not on |
| 1532 | Carrier detect not on. |
| 1533 | Clear to send not on. |
| 1534 | data set ready not on. |
| 1536 | Clear to send stuck on. |
| 1537 | Level 3 interrupt failure |
| 1538 | receive interrupt results error |
| 1539 | Wrap data comparison failure |
| 1540 | DMA Channel 1 error |
| 1541 | Error in 8273 error check or status reporting. |
| 1547 | Stray Interrupt level 4. |
| 1548 | Stray interrupt level 3. |
| 1549 | Interrupt presentation sequenced timed out. |
| 16xx | Terminal emulation errors. |
| 17xx | Hard disk/disk controller errors. |
| 1701 | Hard drive POST error |
| 1702 | Adapter failure hard drive. |
| 1703 | Hard drive failure. |
| 1704 | Hard drive adapter failure: Cannot be determined |
| 1780 | Hard drive failure |
| 1781 | Drive 1 failure (D drive) |
| 1782 | Hard drive adapter failure. |
| 1790 | Hard drive C failure-couldn’t read last cylinder. |
| 1791 | D drive failure |
| 18xx | Expansion chassis failure. |
| 1801 | POST error code |
| 1810 | Extender card failure. |
| 1811 | Extender card failure |
| 1812 | Address or wait state failure. |
| 1813 | Address or wait state failure |
| 1816 | Extender card failure. |
| 1819 | Wait request switch set incorrectly. |
| 1820 | Receiver card failure. |
| 1821 | Receiver card failure. |
| 19xx | 3270 PC com controller failure. |
| 20xx | BSC adapter (Mainframe connection) failure. |
| 2010 | Failure of 8255 Port B |
| 2011 | Failure of 8255 Port A |
| 2012 | Failure of 8255 Port C |
| 2013 | 8253 Timer one did not reach terminal count. |
| 2014 | 8253 Timer 1 stuck on |
| 2015 | 8253 Timer 0 did not reach terminal count. |
| 2016 | 8253 Timer 0 stuck on |
| 2017 | 8253 Timer 2 did not reach terminal count. |
| 2018 | 8253 timer 2 stuck on |
| 2019 | 8273 Port B error. |
| 2020 | 8273 Port A error. |
| 2021 | 8273 command/read time out. |
| 2022 | Interrupt level 4 failure. |
| 2023 | Ring indicates stuck on. |
| 2024 | Receive plot stuck on. |
| 2025 | Transmit clock stuck on. |
| 2026 | Test indicate stuck on. |
| 2027 | Ring indicate not on. |
| 2028 | Receive clock not on. |
| 2029 | Transmit clock not on. |
| 2030 | Test indicate not on. |
| 2031 | Data set ready not on. |
| 2032 | Carrier detect not on. |
| 2033 | Clear to send not on. |
| 2034 | Data set ready not on. |
| 2036 | Clear to send stuck on. |
| 2037 | Level 3 interrupt failure. |
| 2038 | Receive interrupt results error. |
| 2039 | Wrap data compare failure. |
| 2040 | DMA channel 1 error. |
| 2041 | Error in 8273 error check or status reporting. |
| 2047 | Stray interrupt level 4. |
| 2048 | Stray interrupt level 3. |
| 2049 | Interrupt presentation sequence time out. |
| 21xx | Alternate BSC adapter failures. |
| 2201 | Pc wiring cluster adapter failure. |
| 2401 | EGA/VGA failure: May show text but not graphics. |
| 2901 | Color dot matrix failure. |
| 3301 | Compact printer failures. |
| 86xx | Mouse error. |