Pc Post Error
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by introducing more precise citations. (October 2010) (Learn how and when to remove this template message) The first stage of a typical POST operation. (AMI BIOS) The second stage of a POST. Sometimes, it is
Post Error Codes
shown 'Boot from CD'. (AMI BIOS) A power-on self-test (POST) is a process performed three long beeps during the post sequence on an intel bios are an indication of what type of issue? by firmware or software routines immediately after a computer or other digital electronic device is powered on. This article mainly deals computer beep codes list with personal computers, but many other embedded systems such as those in major appliances, avionics, communications, or medical equipment also have self-test routines which are automatically invoked at power-on. The results of tests run
Parity Circuit Failure
by the POST may be displayed on a panel that is part of the device, output to an external device, or stored for future retrieval by a diagnostic tool. Since a self-test might detect that the system's usual human-readable display is non-functional, an indicator lamp or a speaker may be provided to show error codes as a sequence of flashes or beeps. In addition to running tests, the POST process
Dram Refresh Failure
may also set the initial state of the device from firmware. In the case of a computer, the POST routines are part of a device's pre-boot sequence and only once they complete successfully is the bootstrap loader code invoked to load an operating system. Contents 1 IBM-compatible PC POST 1.1 Progress and error reporting 1.1.1 Original IBM POST beep codes 1.1.2 POST AMI BIOS beep codes 1.1.3 POST beep codes on CompTIA A+ certification exam 1.1.4 IBM POST diagnostic code descriptions 2 Macintosh POST 2.1 Old World Macs (until 1998) 2.2 New World Macs (1998–1999) 2.3 New World Macs (1999 onward) and Intel-based Macs 3 Amiga POST 3.1 POST sequence of Amiga 3.2 Sequence for all main Amiga models 3.3 Color screens scheme 3.4 Sequence for A4000 3.4.1 Correct tests color sequence scheme 3.4.2 Failed tests color scheme 3.5 Amiga keyboard LED error signals 4 See also 5 References 6 External links IBM-compatible PC POST[edit] See also: Booting §Boot sequence of IBM PC compatibles In IBM PC compatible computers, the main duties of POST are handled by the BIOS, which may hand some of these duties to other programs designed to initialize very specific peripheral devices, notably for video and SCSI initialization. These other duty-specific
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POST Error Message? Share Pin Email Windows Key Concepts Computer Concepts File Types Command Line Basics Guides & Tutorials Installing & Upgrading asus beep codes Tips & Tricks by Tim Fisher Updated March 16, 2016 A POST error message is an error message displayed on the monitor during the Power On Self Test (POST) if the BIOS encounters some kind of problem while https://en.wikipedia.org/wiki/Power-on_self-test starting the PC.A POST error message will only display on screen if the computer is capable of booting this far. If the POST detects an error before this point, a beep code or POST code will be generated instead.POST error messages are usually fairly descriptive and should give you enough information to begin troubleshooting whatever problem the POST found. A POST error message is sometimes called a BIOS error message, POST message, or POST screen http://pcsupport.about.com/od/termsp/g/posterror.htm message.Examples: "The POST error message that was on my screen said that the CMOS battery had failed on my motherboard." Continue Reading Up Next Up Next List The Beginner's Guide to PhoenixBIOS Beep Codes Up Next List What are AMIBIOS Beep Codes and What Do They Mean? Up Next List Here's What to Do When Your Computer Doesn't Turn On Up Next Article Have a BSOD With a 0x0000007B Code? Here's How to Fix That More From Us Article What is a POST Code? (Power On Self Test Code) Article Is Your Computer Making Beeping Noises? Here's What That's All About Article Everything You Need to Know About the PC POST Process Article Is Your Computer Beeping? Here's What to Do Article What to Do When Your PC Freezes During POST List The Beginner's Guide to PhoenixBIOS Beep Codes List What are AMIBIOS Beep Codes and What Do They Mean? List Here's What to Do When Your Computer Doesn't Turn On Article Have a BSOD With a 0x0000007B Code? Here's How to Fix That Article Explanations for All 2500+ System Error Codes in Windows Article 3 Easy Steps to Access BIOS Article What is a System Error Code? (Definition of System Error Message) Article What To Do When Windows Freezes During or After Login Article Have a BOOTMGR Error? Here's H
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 Standard one short beep http://www.techadvice.com/tech/P/POSTcode.htm on boot 1-2 Search for Option ROM, 1 long 2 short 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 '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 The Original IBM PC POST codes beep 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 - Math co-processor error 8xx - 9xx - Parallel Printer port computer beep codes 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 products shown on this page. Contact Us, Disclaimer Advertisers ExoticRecipes © 1997,98,99,2000 www.techadvice.com All rights reserved ---