BIOS Beep Codes
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When a computer is first turned on, or rebooted, its BIOS performs a power-on self test (POST) to check that all of the computer's hardware components are working properly. At the end of the POST the computer will play an audible 'BEEP'. If the POST completed successfully without detecting any problem, the computer will continue to startup and load the operating system. But if the BIOS detects an error, it will produce a series of sounds and the pattern or number of these sounds indicates what kind of problem has been detected.
The meaning of the codes varies widely depending on the motherboard and the manufacturer. This application helps to understand what those beeps mean.
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1.5.6 - Bugfixes.
1.5.4 - Added Spanish translation.
1.5.2 - Added support for new screen sizes.
1.5 - User interface improvements.
1.4.5 - Added support to move app to the SD card.
1.4.0 - Added support for QVGA screens (240x320).