F5F Stay Refreshed Hardware Desktop Power isn't reaching the motherboard, yet the system remains off.

Power isn't reaching the motherboard, yet the system remains off.

Power isn't reaching the motherboard, yet the system remains off.

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alejof15
Junior Member
32
12-11-2021, 02:08 PM
#1
I’m working on assembling my PC and it’s finally powered up. The motherboard has power connected but the system won’t start. I’m certain I followed the wiring correctly. If anyone could assist, I’d really appreciate it. My components are a Prime B450M-A motherboard, a GeForce RTX 3060, Vengeance LX RAM, a Super Flower LEADEX Gold 3 power supply, and a Ryzen 5 4500 CPU. Thanks! Edited Jan 30, 2024 by Whinnie
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alejof15
12-11-2021, 02:08 PM #1

I’m working on assembling my PC and it’s finally powered up. The motherboard has power connected but the system won’t start. I’m certain I followed the wiring correctly. If anyone could assist, I’d really appreciate it. My components are a Prime B450M-A motherboard, a GeForce RTX 3060, Vengeance LX RAM, a Super Flower LEADEX Gold 3 power supply, and a Ryzen 5 4500 CPU. Thanks! Edited Jan 30, 2024 by Whinnie

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javier212
Junior Member
12
12-17-2021, 02:56 PM
#2
Have you purchased the new motherboard? You can verify its BIOS version by checking the packaging. If you require a BIOS upgrade, this board supports updates even with an incompatible CPU.
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javier212
12-17-2021, 02:56 PM #2

Have you purchased the new motherboard? You can verify its BIOS version by checking the packaging. If you require a BIOS upgrade, this board supports updates even with an incompatible CPU.

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Leaxer
Junior Member
47
12-17-2021, 05:46 PM
#3
It might be due to the lighting setup. The board isn’t secured with standoffs and is attached straight to the case. That could cause shorts if the wiring is exposed.
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Leaxer
12-17-2021, 05:46 PM #3

It might be due to the lighting setup. The board isn’t secured with standoffs and is attached straight to the case. That could cause shorts if the wiring is exposed.

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thehappy84
Senior Member
594
12-17-2021, 06:30 PM
#4
Great catch! I didn’t realize the motherboard was secured that way—there’s definitely a misplaced screw in the top left corner. There’s also a pre-installed standoff in the bottom left under the board, which should help prevent issues. @Whinnie, could you share a summary of the remaining screws for this project?
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thehappy84
12-17-2021, 06:30 PM #4

Great catch! I didn’t realize the motherboard was secured that way—there’s definitely a misplaced screw in the top left corner. There’s also a pre-installed standoff in the bottom left under the board, which should help prevent issues. @Whinnie, could you share a summary of the remaining screws for this project?

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gabbe515
Junior Member
39
12-17-2021, 07:01 PM
#5
I opted for the long screws. The remaining ones are still in use. Should I be using particular ones?
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gabbe515
12-17-2021, 07:01 PM #5

I opted for the long screws. The remaining ones are still in use. Should I be using particular ones?

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_GAME_
Junior Member
4
01-01-2022, 10:25 AM
#6
Turn off the PSU right away! It looks like you're skipping the standoffs between the motherboard and case. How would you know that longer screw is correct? Edited January 29, 2024 by leclod
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_GAME_
01-01-2022, 10:25 AM #6

Turn off the PSU right away! It looks like you're skipping the standoffs between the motherboard and case. How would you know that longer screw is correct? Edited January 29, 2024 by leclod

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redzern
Junior Member
11
01-02-2022, 10:24 PM
#7
I haven't built a PC before.
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redzern
01-02-2022, 10:24 PM #7

I haven't built a PC before.

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koning_revan12
Member
55
01-03-2022, 08:33 AM
#8
@Whinnie yes... it seems you don't have any standoffs. That could cause the GPU to not fit properly and might damage your mainboard and system. Each screw hole on the mainboard needs a standoff—those small ones with thin threads usually work. Most boards come with a "guiding" standoff just to aid mounting. You probably don't need to fasten anything unless you have one. If some standoffs lack holes, remove them. The long screw is typically for radiators, or check the case manual for specific fit details.
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koning_revan12
01-03-2022, 08:33 AM #8

@Whinnie yes... it seems you don't have any standoffs. That could cause the GPU to not fit properly and might damage your mainboard and system. Each screw hole on the mainboard needs a standoff—those small ones with thin threads usually work. Most boards come with a "guiding" standoff just to aid mounting. You probably don't need to fasten anything unless you have one. If some standoffs lack holes, remove them. The long screw is typically for radiators, or check the case manual for specific fit details.

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Lover_Girl
Member
197
01-03-2022, 05:08 PM
#9
Between mb and case you need eight items. Possibly some additional components could help, just in case. The dark coating may not conduct electricity well, which is a good thing. Updated January 29, 2024 by leclod
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Lover_Girl
01-03-2022, 05:08 PM #9

Between mb and case you need eight items. Possibly some additional components could help, just in case. The dark coating may not conduct electricity well, which is a good thing. Updated January 29, 2024 by leclod

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thibdu87
Member
229
01-10-2022, 06:57 PM
#10
Make sure you’ve prepared this setup before touching anything. Pay close attention to the video instructions. (Remember to power down the machine right away as directed.) After reviewing the content, carefully remove the components and check for any signs of damage. Share photos of the rear panel so we can evaluate the situation. We’ll proceed from there.
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thibdu87
01-10-2022, 06:57 PM #10

Make sure you’ve prepared this setup before touching anything. Pay close attention to the video instructions. (Remember to power down the machine right away as directed.) After reviewing the content, carefully remove the components and check for any signs of damage. Share photos of the rear panel so we can evaluate the situation. We’ll proceed from there.

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