Intel DQ67SW English Product Guide - Page 74
BIOS Error Messages, Table 18. Front-panel Power LED Blink Codes, Table 19. BIOS Error Messages
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Intel Desktop Board DQ67SW Product Guide Table 18. Front-panel Power LED Blink Codes Type F2 Setup/F10 Boot Menu Prompt BIOS update in progress Video error (no addin graphics card installed) Memory error Thermal trip warning Pattern None Note Off when the update begins, then on for 0.5 seconds, then off for 0.5 seconds. The pattern repeats until the BIOS update is complete. On-off (1.0 second each) two times, then a 2.5-second pause (off), the entire pattern repeats (blink and pause) until the system is powered off. For processors requiring an add-in graphics card On-off (1.0 second each) three times, then a 2.5-second pause (off), the entire pattern repeats (blinks and pause) until the system is powered off. Each beep will be accompanied by the following blink pattern: .25 seconds on, .25 seconds off, .25 seconds on, .25 seconds off. This results in a total of 16 blinks. BIOS Error Messages When a recoverable error occurs during the POST, the BIOS displays an error message describing the problem. Table 19 gives an explanation of the BIOS error messages. Table 19. BIOS Error Messages Error Message CMOS Battery Low CMOS Checksum Bad Memory Size Decreased No Boot Device Available Explanation The battery may be losing power. Replace the battery soon. The CMOS checksum is incorrect. CMOS memory may have been corrupted. Run Setup to reset values. Memory size has decreased since the last boot. If no memory was removed, then memory may be bad. System did not find a device to boot. 74