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I made my own pc and it wont switch on. pls help :)

484 Views 5 Replies 2 Participants Last post by  crjdriver
Hi i copied this video:

i used differint motherboard ,ram , case ,and ssd
  • PSU:
  • EVGA 600 BR powersupply, 80+ Bronze,
  • RAm:
  • Corsair Vengeance LPX 16GB (2x8GB) DDR4 3000MHz C15 XMP 2.0
  • cpu:
  • AMD Ryzen 5 3400G 4,2GHz AM4 6MB Cache Wraith Spire
  • and motherboard:
  • MSI B450 Gaming PlusMax (Sockel AM4/B450/DDR4/S-ATA 600/ATX)
this is my scound pc so i probbliy havnt plugged things in rong. but im rly lost and dont know what to do next . i cant rly go to a tech shop till next month. thanks !

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OK, I see one thing that just jumps out at me; motherboard/cpu combo. Your board does not support that cpu until a bios update. Your choices are;
1 Return the motherboard and go with a X570 chipset board that has native support for the 3xxx series processors
2 Get hold of an older cpu and install it then flash the bios to the latest one. Shutdown and reinstall your original processor

Note AMD had a loaner program where they would ship you an old processor and allow you to flash the bios. You then ship the processor back to them. I do not know if this is still in effect.
You may have other problems with the build however you need to fix the compatibility issue before proceeding to other possible problems.
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Just a note of advise. It is always a good idea to post your list of intended parts. We could have told you about the motherboard/cpu combo prior to your purchasing these parts.
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Thanks for the fast reply crjdriver ,luckly I had an extra CPU on site to update it. Windows works and all I have to do now is instal drivers.
It was alot of work for 1 PC XD
I put the parts in PC-part-picker and they told me there was a problem.. I was losing my **** XD...
But thanks to your help I tried switching CPUs letting it boot and then putting the new one back. And it worked perfectly!
I was thinking of getting a GPU a 1080ti do I need to get a new psu for it?
You are welcome.
I was thinking of getting a GPU a 1080ti do I need to get a new pay for it?
I do not understand this part. Of course you need to pay for a video card; unless you steal it :):)
I assume there is a typo somewhere or an auto-correct mistake.

One thing you will need to change if you install a gaming type card; pw supply. EVGA does not mfg their own pw supplies. The supernova series is mfg by seasonic and those are fine; the other ones from evga, not so much.
For future reference, when your problem is fixed/solved, you can mark your own thread as solved using the button at the upper left. No need for this one; I marked it for you.
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