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Can you turn on a computer without a CPU installed?

LadyCore
By LadyCore
in General Discussion
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I have everything installed except for my CPU which I am still waiting for it to arrive. Besides that I have pretty much everything else installed in my case. AIO, Mobotherboard, RAM, video card, ssd, hdd, fans, etc.

 

Would it be possible for me to turn my computer on without a CPU installed into the socket on my motherboard? I would like to see if the RGB lighting works and also would like to be able to enter the BIOS to take a look and get an overall feel for how things are laid out. I just want to make sure it is safe to do so, I don't want to end up frying anything by turning on my machine without a CPU installed.

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Posted

Nope. 

Quote me to see my reply!

SPECS:

CPU: Ryzen 7 3700X Motherboard: MSI B450-A Pro Max RAM: 32GB I forget GPU: MSI Vega 56 Storage: 256GB NVMe boot, 512GB Samsung 850 Pro, 1TB WD Blue SSD, 1TB WD Blue HDD PSU: Inwin P85 850w Case: Fractal Design Define C Cooling: Stock for CPU, be quiet! case fans, Morpheus Vega w/ be quiet! Pure Wings 2 for GPU Monitor: 3x Thinkvision P24Q on a Steelcase Eyesite triple monitor stand Mouse: Logitech MX Master 3 Keyboard: Focus FK-9000 (heavily modded) Mousepad: Aliexpress cat special Headphones:  Sennheiser HD598SE and Sony Linkbuds

 

🏳️‍🌈

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Just now, LadyCore said:

What would happen if I did?

likely a CPU error. Can't get into BIOS or windows though.

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 10 and Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

How many watts do I need? ATX 3.0 & PCIe 5.0 spec, PSU misconceptions, protections explained, group reg is bad

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Posted

i mean everything will turn on you just wont be able to boot into bios or anything else lol

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Just now, ZeroStressLevel said:

i mean everything will turn on you just wont be able to boot into bios or anything else lol

Well as long as I can see if the RGB lighting is working without frying anything.

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2 hours ago, LadyCore said:

also would like to be able to enter the BIOS to take a look and get an overall feel for how things are laid out.

You need a CPU to enter the bios, it will turn on but will probably display a CPU error. 

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Posted

You can turn it on, but it won't do much ;)

My guess is it won't even beep. Need the CPU to at least hit the BIOS.

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