Question PC won't turn on at all?

TombFlower

Reputable
Jun 10, 2020
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Hi! This is my first DIY gaming PC. I thought everything was going well until I hit the power button. Nothing happened. No lights, no sounds, nothing is running at all. I have my standoffs on my mother board, the wall outlet isnt the issue, the power supply switch is on and I believe I have everything plugged in correctly. Could someone take a look to see if I misplaced something? I have attatched a google doc with as many pictures as possible
https://docs.google.com/document/d/1BxaX1ONrPjFRqjofsBSRkgPROGcDexdhoryhUOUVLAE/edit?usp=drivesdk
 
  • ASUS - 24" LED FHD FreeSync Monitor - Black - Model Number-
    VG245H
  • EVGA - SC ULTRA GAMING NVIDIA GeForce GTX 1660 Ti 6GB GDDR6 PCI Express 3.0 Graphics Card - Black/Gray - Model Number- 06G-P4-1667-KB
  • Samsung - 860 EVO 250GB Internal SATA Solid State Drive - Model Number- MZ-76E250B/AM
  • CORSAIR - Vengeance LPX 32GB (2PK 16GB) 2.4GHz PC4-19200 DDR4 DIMM Unbuffered Non-ECC Desktop Memory Kit - Black - Model Number- CMK32GX4M2A2400C16
  • AMD - Ryzen 7 3700X 3rd Generation 8-Core - 16-Thread 3.6 GHz (4.4 GHz Max Boost) Socket AM4 Unlocked Desktop Processor - Model Number- 100-100000071BOX
  • CORSAIR - iCUE 220T RGB Airflow ATX Mid-Tower Smart Case - Black - Model Number- CC-9011173-WW
  • EVGA - 600W ATX 12V/EPS 12V 80 Plus Power Supply - Black - Model Number- 100-W1-0600-K1
  • ASUS - ROG Strix B450-F Gaming (Socket AM4) USB 3.1 Gen 2 AMD Motherboard with LED Lighting - Model Number- ROG STRIX B450-F GAMING
 
Hi! This is my first DIY gaming PC. I thought everything was going well until I hit the power button. Nothing happened. No lights, no sounds, nothing is running at all. I have my standoffs on my mother board, the wall outlet isnt the issue, the power supply switch is on and I believe I have everything plugged in correctly. Could someone take a look to see if I misplaced something? I have attatched a google doc with as many pictures as possible
https://docs.google.com/document/d/1BxaX1ONrPjFRqjofsBSRkgPROGcDexdhoryhUOUVLAE/edit?usp=drivesdk
You didn't plug in the power or reset switches to the front panel headers or you put them on the LED headers instead by the look of it.

Read the manual.
 
You didn't plug in the power or reset switches to the front panel headers or you put them on the LED headers instead by the look of it.

Read the manual.
I plugged them into system panel connector. The manual says thats what it is... Is it not the same as a front panel headers??????? I apologize, I am VERY new to this and have read the manual already front to back and i am still confused 🙁
 
I plugged them into system panel connector. The manual says thats what it is... Is it not the same as a front panel headers??????? I apologize, I am VERY new to this and have read the manual already front to back and i am still confused 🙁
The wires that come from the front should say something like POWER SW or PWR SW for the power switch to turn the system on and RESET SW or RST SW for the reset switch if it has one. The power switch header is above the reset switch header and both are to the right of the power led and hdd led.

It should look like this in the manual and the motherboard on page 20 in the PDF manual. 13. System panel connector (20-3 pin PANEL)

PWRLED POWER SW
HDDLED RESET SW
 
The wires that come from the front should say something like POWER SW or PWR SW for the power switch to turn the system on and RESET SW or RST SW for the reset switch if it has one. The power switch header is above the reset switch header and both are to the right of the power led and hdd led.

It should look like this in the manual and the motherboard on page 20 in the PDF manual. 13. System panel connector (20-3 pin PANEL)

PWRLED POWER SW
HDDLED RESET SW
And this is why to me the manual is very confusing- All I have is a PWR LED +, PWR -, PWR SW and PW RESET. I'm putting two new photos in the doc so you can see what it looks like up close :)
 
And this is why to me the manual is very confusing- All I have is a PWR LED +, PWR -, PWR SW and PW RESET. I'm putting two new photos in the doc so you can see what it looks like up close :)
PWR LED + PWR - are for the power led light that indicates the system is powered on. For PWR LED + and - , plug in the + to + and - to - and follow the same wire color layout for the other wires. PWR SW is your actual power switch button wires and PW RESET is for the reset switch.

PLED+ PLED- PWR SW
HDD+ HDD- PW RESET
 
PWR LED + PWR - are for the power led light that indicates the system is powered on. For PWR LED + and - , plug in the + to + and - to - and follow the same wire color layout for the other wires. PWR SW is your actual power switch button wires and PW RESET is for the reset switch.

PLED+ PLED- PWR SW
HDD+ HDD- PW RESET
I don't understand what you mean by plug in + to + and - to -. Also there is no different colors.. it's all black
 
I don't understand what you mean by plug in + to + and - to -. Also there is no different colors.. it's all black
Just plug the connector into the headers in the front panel pin out. I keep giving you the layout that it should be connected. + goes in + and - goes in-. This video should give you an idea of what you should be doing. It's not the same motherboard as yours but it's the same connection layout.
View: https://www.youtube.com/watch?v=2ukCsgC3dSc
 
Just plug the connector into the headers in the front panel pin out. I keep giving you the layout that it should be connected. + goes in + and - goes in-. This video should give you an idea of what you should be doing. It's not the same motherboard as yours but it's the same connection layout.
View: https://www.youtube.com/watch?v=2ukCsgC3dSc
That's exactly how I plugged them in. I've even followed the manual several times. The pins are in the correct header. They are in the correct spots
 
I don't understand what you mean by plug in + to + and - to -. Also there is no different colors.. it's all black

let me try to explain it in a different way

on your motherboard, every connector is marked by a short text that symbolizes what it's purpose is. for instance, the pins that appear next to the "PWR SW" writing are the power switch connectors ("pwr sw"=power switch). meaning, when you attach the motherboard to a PSU and case, you'll need to find the cable that comes out of your case's power switch and connect it to said port in the motherboard.

then do the same thing with the different cables, meaning the "PWR LED" which connects to the power button led light, the reset button, etc.

the manual will help you determine what each lable on the MOBO actually translates to.

i'd recommend using a video build guide with the same motherboard (either model or manufacturer), such as this:

View: https://www.youtube.com/watch?v=tZK57vPfFJo
 
That's exactly how I plugged them in. I've even followed the manual several times. The pins are in the correct header. They are in the correct spots
Ok, so then make sure you didn't plug in an 8pin PCIE into the motherboard at the top left of the board. Make sure it's 4+4 or 8pin CPU power. Check that you plugged in the correct power PCIE cable to the GPU. Recheck the 24pin ATX power cable as well to make sure it's in all the way. Also make sure you turned on the power switch on the back of the power supply after plugging it in.
 
Ok, so then make sure you didn't plug in an 8pin PCIE into the motherboard at the top left of the board. Make sure it's 4+4 or 8pin CPU power. Check that you plugged in the correct power PCIE cable to the GPU. Recheck the 24pin ATX power cable as well to make sure it's in all the way. Also make sure you turned on the power switch on the back of the power supply after plugging it in.
At the top left is the CPU plug in. I did plug in the right PCIE to the GPU. There was only two PCIE cables and one of them didn't fit so that solves that. I've unplugged the 24-pin ATX 3 times or more and made sure to check that they're in properly. The power switch is on.
 
At the top left is the CPU plug in. I did plug in the right PCIE to the GPU. There was only two PCIE cables and one of them didn't fit so that solves that. I've unplugged the 24-pin ATX 3 times or more and made sure to check that they're in properly. The power switch is on.
If having the front panel wires plugged in properly isn't working, you might have a grounding issue in the case. Pull the GPU out and then try turning the system on and look for fans spinning. If the fans don't spin, remove anything else connected to the back I/O like USB cables and other wires and then try turning it on again. If it still won't turn on, you should remove the motherboard from the case and check that you didn't install extra motherboard standoffs for screws or didn't remove ones that didn't line up with the screw holes on the motherboard.
You might need to try running the motherboard outside the case on top of the box it came in with only the 24pin and 8pin CPU power plugged in. You can turn it on by shorting the power switch pins (just tap the two pins the wire plugs into) with a screw driver until the fans spin up or try plugging in the front panel wire for the power switch on the case.

I just hope that in your last photo you took of the front panel wires, that it's not how you have it set up now, because it's completely wrong except the power leds.
 

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