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	<updated>2026-05-25T23:39:23Z</updated>
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	<entry>
		<id>https://www.thinkwiki.org/w/index.php?title=Error_Codes_and_Beep_Codes&amp;diff=37689</id>
		<title>Error Codes and Beep Codes</title>
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		<updated>2008-05-10T02:04:55Z</updated>

		<summary type="html">&lt;p&gt;Sabrod: /* External Links */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;This page gives an overview over numerical error codes and beep codes generated by the BIOS.&lt;br /&gt;
&lt;br /&gt;
==Numerical Error Codes==&lt;br /&gt;
IBM provides [http://www-3.ibm.com/pc/support/site.wss/document.do?lndocid=LWIK-3SR4PW a detailed listing of numerical BIOS error codes] including information on fixes.&lt;br /&gt;
&lt;br /&gt;
==Beep Codes==&lt;br /&gt;
{| cellspacing=0 cellpadding=3 border=1 style=&amp;quot;vertical-align:top;&amp;quot;&lt;br /&gt;
!Beep signal !! Additional indicators !! Meaning&lt;br /&gt;
|-&lt;br /&gt;
| continuous beep || ||&lt;br /&gt;
*System board failure&lt;br /&gt;
|-&lt;br /&gt;
| one beep || unreadable, blank or flashing LCD ||&lt;br /&gt;
*LCD connector problem&lt;br /&gt;
*LCD backlight inverter failure&lt;br /&gt;
*video adapter faulty&lt;br /&gt;
*LCD assembly faulty&lt;br /&gt;
*System board failure&lt;br /&gt;
*power supply failure&lt;br /&gt;
|-&lt;br /&gt;
| one beep || Message &amp;quot;Unable to access boot source&amp;quot; ||&lt;br /&gt;
*Boot device failure; system board failure&lt;br /&gt;
|-&lt;br /&gt;
| one long, two short beeps || ||&lt;br /&gt;
*System board failure&lt;br /&gt;
*Video adapter problem&lt;br /&gt;
*LCD assembly failure&lt;br /&gt;
|-&lt;br /&gt;
| one beep, three short beeps&amp;lt;br&amp;gt;three short beeps, one beep || ||&lt;br /&gt;
*Memory problem: bad DIMM or bad DIMM slot&lt;br /&gt;
|-&lt;br /&gt;
| one long, four short beeps || ||&lt;br /&gt;
*Low battery voltage&lt;br /&gt;
|-&lt;br /&gt;
| one beep every second || ||&lt;br /&gt;
*Low battery voltage&lt;br /&gt;
|-&lt;br /&gt;
| two short beeps || error codes ||&lt;br /&gt;
*POST error message&lt;br /&gt;
|-&lt;br /&gt;
| two short beeps || ||&lt;br /&gt;
*System board failure&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
== External Links ==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[http://www.comptechdoc.org/hardware/beepcodes/ Complete list of beep codes for all major BIOS's]&lt;/div&gt;</summary>
		<author><name>Sabrod</name></author>
		
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