Question Asus Strix B450-f Motherboard Stuck in a POST loop

Jan 29, 2021
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i've had this system for a week now working just fine, then just a few days ago i was playing Apex Legends when it just froze (black screen but the RGB was on and the fans were spinning) I had to do a hard reset and when i tried to power it back on the RGB and fans work but the Q-LED cycle through red, orange, then white (only flashes for a second) then the sequence repeats i've tried everything in the sticky but nothing works.

my specs:

Ryzen 5 3400G
Asus ROG STRIX B450-f Gaming
G. Skill Trident Z 3000Mhz
Antec 500w 80+ gold
Phanteks eclipse P350x

i built this as a way to play apex as i ment to slowly upgrade later due to budget, will highly appreciate any help.
 
Jan 29, 2021
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did you remove gpu for test and use onboard with 1 ram module only also check if the outer shield of the gpu cable to monitor does not touch case case side seams a short to ground .
i removed the gpu tried with on board but nothing(when it crashed i was using the onboard graphics playing Apex)
 
Jan 29, 2021
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it stop before full boot witch is the last led that stay on and go i would check the drive in another system as secondary one to se if the other system boot with it ,
the pc just went black when i was gaming and had to do a hard reset now when i turn it on it shows red, yellow q led then when it gets to white it just flickers and goes back to the previous Leds the white q led doesn't even stay on for a second and it keeps looping i've changed the PSU and tried bread boarding but it keeps looping in the same sequence
 
Jan 29, 2021
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it stop after vga test so he does not see the drive witch one you use and made sure it is connect on the first sata port on the board .
is'nt that a different issue? mine doesn't post there nothing on screen it starts like this yellow-red - yellow-red then white flash and repeats over and over. the pc worked fine when i assembled it worked for a week then it crashed everything just went black did a hard reset and then the problem started
 

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