![CPU and VGA leds on for 3 seconds then off on B450 MoBo - CPUs, Motherboards, and Memory - Linus Tech Tips CPU and VGA leds on for 3 seconds then off on B450 MoBo - CPUs, Motherboards, and Memory - Linus Tech Tips](https://pbs-prod.linustechtips.com/monthly_2019_08/image.png.01f99375b43b382199ace9f1ea45c3b4.png)
CPU and VGA leds on for 3 seconds then off on B450 MoBo - CPUs, Motherboards, and Memory - Linus Tech Tips
![Hi! I have noticed that my z390 aorus master has these two red leds always on. They are the VGA led (bottom right corner) and MBIOS led (next to sata ports). What Hi! I have noticed that my z390 aorus master has these two red leds always on. They are the VGA led (bottom right corner) and MBIOS led (next to sata ports). What](https://preview.redd.it/908y7clveas61.jpg?width=640&crop=smart&auto=webp&s=264e117bc78bd461a3622a6189ceaa7c389010a0)
Hi! I have noticed that my z390 aorus master has these two red leds always on. They are the VGA led (bottom right corner) and MBIOS led (next to sata ports). What
![ASUS ROG STRIX B550-F Gaming. Error LED VGA On. Black screen, no POST. Not booting. Repair - YouTube ASUS ROG STRIX B550-F Gaming. Error LED VGA On. Black screen, no POST. Not booting. Repair - YouTube](https://i.ytimg.com/vi/BYzi2nYp0CI/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLDO_9vG1BVBhvCqqHCvwLBcs9OwcQ)