B450 Gaming Pro Carbon ac, 3 flashing lights then mptherboard wont turn on | MSI Global English Forum - Index
Why isn't my new PC POSTing? There's a clear white light that shows up next to the CPU indicator on the EZ Debug LED on my MSI B365M PRO-VDH Motherboard and when
![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://linustechtips.com/uploads/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
![MSI B450 Tomahawk Max blinks Ez debug light of CPU on when power up - CPUs, Motherboards, and Memory - Linus Tech Tips MSI B450 Tomahawk Max blinks Ez debug light of CPU on when power up - CPUs, Motherboards, and Memory - Linus Tech Tips](https://linustechtips.com/uploads/monthly_2021_05/images.jpeg.0f81151fa6014f68a8ec7e52034432a7.jpeg)