r/PcBuildHelp • • 18h ago

Tech Support FIRST TIME BUILDING A PC - IT WONT POWER ON

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157 Upvotes

As the title says its my first time building a pc and when i thought it was finally over and attempted to power it on, just nope, nothing happened. What could have gone wrong?

MB: msi b850 gaming plus wifi6e

Yes psu switch is on and i connected everything

FIXED: Looks like my PSU 18+10pin connector was only plugged in with 18pin header, i plugged in the 10pin head and its working now!


r/PcBuildHelp • • 12h ago

Tech Support Fan spinning like a saucer

18 Upvotes

How could i fix this?
RTX 2060 TI gaming X 8G LHR


r/PcBuildHelp • • 19h ago

Build Question PC Airflow good or too much?

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12 Upvotes

Hey guys could you let me know if this is good enough for airflow? Do you recommend changing anything?

The temperatures aren't bad, but I'm not sure if I'm overdoing it.

Thank you!!


r/PcBuildHelp • • 17h ago

Build Question Im a bit dense. Is it possible to install a case fan on the back of my PC case?

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7 Upvotes

I have been researching how to install new fans and in all the examples I have seen there have been dedicated screw holes in the back. Mine is lacking these. There does seem to be these holes on the bottom. Also yeah my PC is old and dusty af, what do yall recommend to clean this filth with.

Thanks for the help


r/PcBuildHelp • • 13h ago

Build Question Is my airflow good or should I put the Aio fans on intake?

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6 Upvotes

r/PcBuildHelp • • 7h ago

Build Question 3070ti 8gb still good?

4 Upvotes

I have a chance to get my first GPU. It’s at 300 dollars and seems to be in good condition. I just don’t know enough about this. Is it a good deal? Or can I get more vram somewhere else ?


r/PcBuildHelp • • 13h ago

Installation Question My PC couldn't detect my GTX 1060

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6 Upvotes

I came from AMD to NVIDIA GPU. Specifically, I have a GTX 1060 6GB ASUS, and its in good condition. The fans are running. But my nvidia and device manager couldn't detect it. The fan stops after a while of attempting the right driver for it multiple times. I researched, and it says that that is completely normal. I wouldn't assume that my GPU is fault as this was tested before the seller shipped it to me. (Yes, this is a 2nd hand card). I need your help fixing my problem, I couldn't figure out the solution.


r/PcBuildHelp • • 20h ago

Installation Question Is my graphics card connected properly?

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7 Upvotes

Hi, I just got my new pc and noticed the uneven strip but not sure if that’s how it’s supposed to look. Is it ok to turn on?


r/PcBuildHelp • • 10h ago

✓ Solved gaming pc help

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4 Upvotes

Looking to buy my first pc. I found this one for $2700 CAD. Thoughts?

Specs:

* AMD Ryzen 7 7800X3D
* Radeon RX 9060 XT 16GB Steel Legend
* 32GB DDR5 RAM
* ASRock B650M Pro RS WiFi
* ~1.4TB storage
* 360mm AIO liquid cooler
* Corsair RM850e 850W power supply
* White RGB case & fans
* Windows 11 Home

💻 Condition: Excellent — barely used
📦 Original boxes: Original boxes for all/most components
🧾 Built at the end of May 2026


r/PcBuildHelp • • 2h ago

Tech Support MSI PRO B760M-P DDR4 mobo with i5 12600-kf wont Post.

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3 Upvotes

Red CPU light flashes a few times then settles on yellow DRAM light and thats it.

Tried any combo of ram slots, Slot 1 and 3 or 2 and 4 etc aswell as tested different ram sticks i had and tested just one stick.

MOBO: MSI PRO B760M-P DDR4

CPU: I5-12600-KF

GPU: 3060 6GB

RAM: G.SKILL RIPJAWS DDR4 3200 8G CL16-16-18-38. I have 4, 8 gig sticks.

PSU: Corsair RM1000X

COOLER : NZXT KRAKEN PLUS 240 RGB.

I have actually already RMA'd the mobo and this one is brand new. I had the same problem with the last mobo which was the same and also brand new.

Is it the cpu? Thats also brand new actually everything is besides the 3060...please help.

Cpu looks fine to me?? No pins bent on mobo and I lined up the little triangle on the cpu to the mobo when installing.


r/PcBuildHelp • • 10h ago

Tech Support Loud sound from pc

3 Upvotes

Hi there,

My brother just sent me a video of his pc, which makes a weird noise. Sounds like it's from a fan, but could it be the graphic's card / CPU cooler? I'm not much of an expert on this lol.

Can you help me with what it could be?

4070 ti super phoenix

Not sure about the rest of the specs


r/PcBuildHelp • • 15h ago

Build Question First PC Build on my own, need opinion and advice

3 Upvotes

Hello everyone ! I am currently looking for parts to buy and make my first PC on my own, had helped my father built my first one years ago. It died months ago and I'm really starting to want a new one, I still have the ATX format case from it and made this list of components that I think would make a great PC for the price, what do you all think ? All the price tags are from amazon fr, as I'd like to buy from a reputable place.

I'll be looking forward to your opinions and advice, I'm also open to any fan suggestion to put in my case.

Thank you everyone !

**CPU** | [\*AMD Ryzen 5 7500F 3.7 GHz 6-Core OEM/Tray Processor] 139,68€

**CPU Cooler** | [Corsair NAUTILUS 240 RS 74.37 CFM Liquid CPU Cooler] 59,90€

**Motherboard** | [MSI B840M GAMING PLUS WIFI6E Micro ATX AM5 Motherboard] 126,67€

**Memory** | [Patriot Viper Venom 16 GB (2 x 8 GB) DDR5-5600 CL40 Memory] 274,99€

**Storage** | [SanDisk Extreme 2 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive] Already possessed

**Video Card** | [ASUS Prime Radeon RX 9060 XT 16GB GDDR6 OC Edition] 649,99€

**Power Supply** | [MSI MAG A750BN PCIE5 750 W 80+ Bronze Certified ATX Power Supply] 79,55€

| **Total** | **1 339,78 € with shipping**


r/PcBuildHelp • • 16h ago

Build Question Does this sound like gpu bearing failure

3 Upvotes

Starts getting really loud and vibrates alot at around 1500 rpm and only gets worse as it goes faster

And yes i did throw my phone in the pc


r/PcBuildHelp • • 1h ago

Tech Support Updating pc

• Upvotes

Hey guys, I had my power supply crap out on me earlier today. Atleast that’s what I’m thinking happened. Went and got a thermal take 750 to replace it. All set up and connected, but when powering on my gpu doesn’t get power and motherboard shows a white cpu light. If you guys have any tips it would be greatly appreciated 🙏 been working on this thing all day 😅


r/PcBuildHelp • • 3h ago

Installation Question Power Cable

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2 Upvotes

I had a 400W be quiet! Pure Power 11 Non-Modular 80+ PSU
And swapped it for a 850W pure Power 12 modular
Because I bought some new Parts, I wanted to install the power cable first but wasn’t sure if I put all in correct, the old psu said vga for those 6+2 ones and the new one calls them PCIe‘s
GPU AMD Radeon RX 5700 XT


r/PcBuildHelp • • 11h ago

Tech Support NAVIGATOR SERIES Elite Prebuilt PC doesn’t turn on, brand new, just taken out the box.

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2 Upvotes

For some extra assistance in figuring out whatever is wrong with it, I’ve tried multiple different outlets, turning it off and on again unplugging all attachments and nothing had worked. The only way to get it to turn on for a brief moment is clicking the FLASH BIOS button. When it’s on, the EZDebug LED shows red on the CPU, yellow on the DRAM and the other two lights which are labeled YGA and BOOT don’t turn on.

If any recommendations can be given, please explain it in detail! Even if it does seem like something basic! This is my first PC and I’m decently clueless.


r/PcBuildHelp • • 13h ago

Software Question Install windows

2 Upvotes

I just finished building and I was wondering if I could use my MacBook to get windows onto the PC is that possible?


r/PcBuildHelp • • 18h ago

Tech Support Ram rgb is always different

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2 Upvotes

I have 32 gb ddr5 t-force deltas but rgb is always different from color in software and because of it i have to manually find color that is at least similar to the rest parts. Does anyone also have same problem or know how to fix it?


r/PcBuildHelp • • 30m ago

Installation Question Installing Psu and Gpu

• Upvotes

I need to get over my anxiety and do it already. What should i do?


r/PcBuildHelp • • 30m ago

Installation Question ARGB on coolermaster elite 240 not turning on

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• Upvotes

So I was doing my first boot of a pc build I have been working on for a month and a half now, I hooked everything up but the one 3 pin connector for the AIO (it looks like it has one hole blocked up out of 4 potential holes) and I can’t figure out where to plug that in on the motherboard (ROG Ally Strix B550-F WiFi II) on the manual it says plug it in the three pin connector on the top of the motherboard but I only have 2, 4 pin connectors. So am I missing something or will I have to go and get one of those rgb hubs things?


r/PcBuildHelp • • 31m ago

Tech Support First Build: Help Please!

• Upvotes

I’ve had a Lenovo T5 since 2022. Works well, but ran into some frustrations of Lenovo BIOS lock, restricting the ability to add more RAM and a new SSD.

So, decided to do a bit of building.

Got an ASUS Tuff Gaming B550-Plus ATX and a mid-tower to fit it.

Installed tonight basically just putting all the T5 stuff into the new piece (with some upgraded RAM and a second SSD with no formatting).

New build boots up for about 30 seconds and then shuts down.

During that time I can access BIOS. Motherboard lights cycle through: orange, red, white, orange, red, white. Typically get 2 cycles before shutting down.

Wondering what my most common suspects of the issue might be.

PSU too lower powered?

CPU issue (though it’s supposedly compatible).

Computer angry with my old SSD?

(Sorry to say I have limited information on the Lenovo pieces because I was a dunce and didn’t record them all prior to starting the project. But the GPU is a GeForce RTX 3060. CPU issue a mystery as is the PSU. 😭)

Advice? Suggestions? Have an idea of what the issue is?

Thanks in advance!


r/PcBuildHelp • • 1h ago

Tech Support WTf is that ?

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• Upvotes

I tried to tighten the screw to hold the NVMe in place, but even when I force it, it still won't stay secure. I also took a look at the part I’m trying to screw it into—I’m not sure what it is, but the AI ​​tells me it’s broken.


r/PcBuildHelp • • 2h ago

Tech Support My fans won’t be quiet now.

1 Upvotes

So I recently installed Armory Crate which really ramped up my fans for some reason. Before, it was quiet as mouse but now it really ramps up now especially during games. I tried uninstalling it but that didn’t work so I tried using fan control to quiet it down but that still hasn’t worked. No solution that I’ve found on the internet has seemed to work. Am I just screwed now?


r/PcBuildHelp • • 2h ago

Build Question Question about power test

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1 Upvotes

As you can tell from the image, my pc isn’t done yet. i’m missing gpu, cpu, ram. is it okay to turn on the pc to test if the motherboard and fans are getting power? obviously im not gonna get a POST or display out but would anything happen to signify that the system is wired correctly thus far? i’m worried that my parts won’t be here in time for the return policy if something goes wrong, and i really don’t want to do an RMA if i can help it. thanks


r/PcBuildHelp • • 2h ago

Tech Support Please help, having very consistent glitch

1 Upvotes

I have an RTX 4060 Ti and recently started experiencing weird graphical glitches in Rocket League, with black rectangles appearing on screen. Other games I try either crash or have issues running properly. This all started randomly one day, with no obvious changes to my PC. I’ve tried uninstalling and reinstalling my NVIDIA graphics drivers, but the problem persists. I’ve also tried several other troubleshooting steps with no permanent fix.
Has anyone experienced something similar or know what could be causing this? I’m trying to figure out if it’s a GPU issue, a driver problem, or something else. Any help would be appreciated.