Question Help with new PC build not staying on ?

Oct 2, 2021
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Hey Everyone, I am fairly new to building computers as this is the first one I have done.

I currently have everything built and running but the only issue I am facing is after 2-5 minutes my computer will just shut down but the motherboard will stay on.

For reference, I used a m.s ssd from my previous computer since windows and all of my files was previously installed on it.

The only potential issue I can think of for causing this would be the motherboard having an extra 4pin cpu connector that my power supply doesn't have, so I am only running the 8pin. I didn't think this would be a problem but maybe it is ?


Build List:
Asus rog strix b550f gaming
Amd ryzen 5600x
Cooler Master - Hyper 212 RGB
Zotac gaming geforce rtx 3070
corsair vengence rgb pro sl 32gb 3600
corsair cx750m

Start up Video

I have attached the video for reference of the system running fine, I just need help figuring out why it shuts off after a few minutes. Thank you for your time and any help is greatly appreciated!!!
 
Hey Everyone, I am fairly new to building computers as this is the first one I have done.

I currently have everything built and running but the only issue I am facing is after 2-5 minutes my computer will just shut down but the motherboard will stay on.

For reference, I used a m.s ssd from my previous computer since windows and all of my files was previously installed on it.

The only potential issue I can think of for causing this would be the motherboard having an extra 4pin cpu connector that my power supply doesn't have, so I am only running the 8pin. I didn't think this would be a problem but maybe it is.


Build List:
Asus rog strix b550f gaming
Amd ryzen 5600x
Cooler Master - Hyper 212 RGB
Zotac gaming gefore rtx 3070
corsair vengence rgb pro sl 32gb 3600
corsair cx750m

Start up Video

I have attached the video for reference of the system running fine, I just need help figuring out why it shuts off after a few minutes. Thank you for your time and any help is greatly appreciated!!!
try this step by step (must read until end!):
  • Disconnect from internet
  • Uninstall gpu driver DDU (clean and do not restart).
  • Uninstall all the processors on device manager (should be 12 on yours, also when it asks for restart, click on no) like this:
  • Restart the pc to bios, and update to the latest bios. Then go to bios again after update and load default or optimized settings.

  • boot up to windows and install the latest AMD Chipset driver, reboot, and connect to internet.

  • Install the latest nvidia driver.

    *do this all offline until reboot after installing chipset driver, also you may reboot to bios after all of this to set the XMP (and previous settings you did) and make sure ram is on slot 2 and 4 if you use 2 sticks. Download needed files (highlighted word) before doing step 1, do the step by orders.


  • And check windows update (and optional updates) if there is any and install them (except chipset in optional update). Also enable Hardware Accelerated Graphics Scheduling (available on the latest win 10 update) in graphics settings like this and reboot:
Make sure the psu connected to the gpu is 1 pcie cable per 1 slot (use main cable, not the branches/split) like this (must do this first):

*rtx 3000 series musn't use 1 cable split, you must use 1 pcie cable for 1 pcie power slot, so re arrange the gpu cable first before doing all the steps above!
 
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