Asus Prime X299-A II, Manual

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1-12
Chapter 1: Product Introduction
Chapter 1
1.8 Onboard LEDs
1. Q LEDs
The Q LEDs check key components (CPU, DRAM, VGA, and booting devices) during
the motherboard booting process. If an error is found, the critical component’s LED
stays lit up until the problem is solved.
The Q LEDs provide the most probable cause of an error code as a starting point for
troubleshooting. The actual cause may vary from case to case.
2. Q-Code LED
The Q-Code LED design provides you with a 2-digit error code that displays the system
status.
• The Q-Code LEDs provide the most probable cause of an error code as a starting
point for troubleshooting. The actual cause may vary from case to case.
• Please refer to the Q-Code table in the Appendix section for more details.