Asus 90MB0FU0M0AAY0 Computer Hardware User Manual


 
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Chapter 1: Product introduction
Chapter 1
3. Q LED
Q LEDs check key components (CPU, DRAM, VGA card, and booting devices) in
sequence during motherboard booting process. If an error is found, the corresponding
LED ashes until the problem is solved. This user-friendly design provides an intuitive
way to locate the root problem within seconds.