Microsoft KB Archive/34304
The information in this article applies to:
Most computers run diagnostics when first turned on. These diagnostics are commonly referred to as the POST (Power-On Self Test). If an error is found in the system, an error code is returned by the POST. These errors are often accompanied by an unpleasant beep and are most common after changing the hardware. The following information is a guide to the most common error codes.
Error Code Meaning 1XX System Board Error 20X Memory Error 30X Keyboard Error 4XX IBM: Monochrome Display Adapter Error Compaq: Parallel Printer Error 5XX Color Display Adapter Error 6XX Floppy Disk Controller Error 90X IBM: Parallel Printer Adapter Error Compaq: Not used 110X Serial Port Error 130X IBM: Parallel Printer Error Compaq: Not used 170X Hard Disk Controller Error
Additional query words:
Last Reviewed: October 28, 1999