First Build! No Video and diagnostic LEDs - Fans/Lights work

[bold violet]

https://pcpartpicker.com/list/B6XqjH

Motherboard Lights are active when I turn the PSU on.
Pressing the Power button turn on all RGBs and Fans. The fans are not spinning at full speed.
I am not getting a Video Signal out however.
Also no diagnostic beeps or lights went off.

Yes - the HDMI cable was plugged into the graphics card.

Something I observed - I can’t turn off the PC using the Power button and the USB Ports on the motherboard or front IO don’t seem to work/power peripherals.

Stuff I’ve tried - I removed the GPU and plugged my HDMI cable into the motherboard.
I checked if all power cables are plugged in correctly. I also checked if my memory is all the way in. I tried multiple memory configurations with only one stick.
I successfully updated the bios of my motherboard using an usb stick.
I even checked the motherboard for bent pins on the cpu socket.

I also tried turning the PC on without any memory - same result lol

Like I said before no diagnostic LEDs at all - my motherboard has 4 LEDs to show errors of the CPU, DRAM, VGA or BOOT. None of them ever turned on.

See page 35 out of 86 or page 1-21 of the manual.

https://dlcdnets.asus.com/pub/ASUS/mb/Socket AM5/ROG STRIX X670E-F GAMING WIFI/E20242_ROG_STRIX_X670E-F_GAMING_WIFI_UM_WEB.pdf?model=ROG STRIX X670E-F GAMING WIFI

Is my CPU just DOA? I am thinking about getting a new CPU tomorrow to check (and new thermal paste).

Thanks for taking your time to read through all of this!

[wraith dragon]

did you update your bios?

[bold violet]

yes.

successfully

[wraith dragon]

did it work?

[bold violet]

updating the bios didnt change anything

removing memory sticks didnt change anything either

the power on button doesnt work however when i removed the cpu

but still no diagnostic LEDs

[wraith dragon]

can you send a pic of the pc and a pic of the mobo socket

[bold violet]

i think it’s either the cpu or motherboard

but i cant really prove that

[wraith dragon]

can you send a pic of the pc trying to turn on and remember to have the cpu cooler on the cpu

[bold violet]

already made a video yesterday without the cooler screwed on

[bold violet]

same result with the cooler tightly screwed on

[bold violet]

same result even after reducing the pressure

[wraith dragon]

you need to have the ram in

it cant boot without ram

[bold violet]

same result

even with ram

[wraith dragon]

pic

vid"

[bold violet]

fine

ill do it again

[bold violet]

Wanted to showcase yesterday that even without ram the result is the same

and no diagnostic leds went off

@wraith dragon like this?

[vast sigil]

The ability to update your BIOS via flash tells me that at least the BIOS itself should be working. The CPU is likely dead but alive enough to allow the MB to turn on. This does not however rule out a faulty BIOS chip. [or a short on the board] The easiest thing you can do is get another CPU and try it. If it works, you can RMA/return the dead CPU. If the problem continues then the MB needs to be replaced.

[bold violet]

or a short on the board

should i try turning on the pc without the case?

I will try with a new CPU tomorrow

[vast sigil]

I was talking about a chip/capacitor short. The only real way to find these is with a heat camera. If a CPU swap doesn't work, send the MB back. If the MB was directly shorting to the case, nothing would work and the PSU would trip.

[bold violet]

oh

[bold violet]

I installed a speaker

And its dead too

Should i try installing an older bios?

[vast sigil]

Wait for the CPU

[bold violet]

I should also mention that the PC doesn't turn on without a CPU

my friend insists that this is not normal

[vast sigil]

A "dead" CPU can still have good power pins

[bold violet]

it might be related to the model right

[bold violet]

that's what I thought

while we're at it

any thermal paste recommendations?

[vast sigil]

I was the proud owner of a fully dead CPU. Nothing worked.

[bold violet]

not even lights or fans?

[vast sigil]

I don't use paste, I use a pad. https://www.amazon.com/gp/product/B0C61Q2YKX/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

[bold violet]

does it act like nothing is in the socket

[vast sigil]

yes

[bold violet]

sure thanks!

[vast sigil]

A CPU can "die" and several ways. It can even self downgrade by popping a core or LP

[bold violet]

heck

didn't know that

[vast sigil]

I'm going to mention that this is EXTREMELY fragile and very very easy to break.

[bold violet]

I'll see what I can get

[bold violet]

Update - It really was the CPU!!!