Have you tried performing a clear CMOS? Code 00 is basically before the mobo starts testing the CPU in the first place. Does this happen only in Windows? There were some Asus BIOS versions that didn't play well with software like Argus monitor and the mobo would crash to post code 00 due to that. Answer from Elianor_tijo on reddit.com
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Asus
zentalk.asus.com › t5 › motherboards › q-code-00-not-booting › td-p › 417250
Q-Code 00 - Not Booting - ASUS - ZenTalk - 417250
March 2, 2024 - It won't boot and is doing the same thing prior to replacing the PSU. Please can someone help? Thank you ... If you're facing issues with booting up and encountering Q-CODE 00, it indicates an abnormality in the CPU during the POST process.
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Asus
rog-forum.asus.com › t5 › other-motherboards › q-code-00 › td-p › 572839
Q-Code 00 - Republic of Gamers Forum - 572839
March 6, 2024 - Hey no problem Try Pressing the reset button. I will tell you I have got code 00 one time before only I knew what the problem was. I fried my cpu by putting over 1.80v through it.
Discussions

Q Code 00 Asus Maximus x Hero - PCPartPicker
But According to asus forum. code 00 is caused by three things, a faulty psu, motherboard or cpu. More on pcpartpicker.com
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New pc won't POST, no display, Q-Code 00, now noth... - Republic of Gamers Forum - 567447
I was also getting Q-Code 00. People on Overclock.net said it was probably the CPU not being seated. This was my set: Case - Corsair Obsidian 900D Processor - Intel Core i7 5930k 2 GPUs - Nvidia Geforce GTX 980 Ti Hydro Copper (2-way SLI) Motherboard - ASUS Rampage V Extreme PSU - EVGA Supernova ... More on rog-forum.asus.com
🌐 rog-forum.asus.com
March 6, 2024
Red CPU_LED and '00' Q-CODE on ASUS X99 - DELUXE
Hey guys, I will try to make it as clear as possilbe. PROBLEM: After reassembling all of the components into the new PC Case (NZXT H440) I get Red CPU_LED and '00' Q-CODE. No signal gets through graphics card, no beeps, no nothing. SPECS: CPU: INTEL I7-5960X 3.00GHZ LGA2011.V3 RAM: 32GB... More on forums.tomshardware.com
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February 1, 2015
Asus q code error 00 | OC3D Forums
Yesterday i put my computer off and all the fans went off but the led on fan remained on, i got the q code 00 and the led on the MSI logo on GPU just brightened down but did not go off. Thats what it looks like when i put it to sleep or turn it off. I put it back on and it booted up fine but... More on forum.overclock3d.net
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December 29, 2015
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Reddit
reddit.com › r/buildapc › asus q-code 00 help
r/buildapc on Reddit: Asus Q-code 00 help
October 15, 2022 -

Asus Q-code 00 help

So my GPU died in early 2021 and due to the prices I wasn’t able to get a new one. I got a 3080 recently as the prices have cooled down. I also got a new cpu cooler(Noctua D15). My cpu is the i9-9900k and my mobo is ASUS MAXIMUS hero XI (wifi).

After I installed the GPU and cooler the pc booted with q-code 00. Later, it booted successfully for the first time in like over a year. Then it crashed again with the code 00. Now when I try to turn it on it will either boot successfully for like 10 minutes then shut down again, or just not POST at all. Also the fans don’t turn on when the error is there.

I did research and apparently it is either a dead cpu or a dead mobo, but I really don’t want to get a new cpu or mobo and I don’t have any spare parts. I reseated the ram and tried various configurations, so it isn’t the ram. I also reseated the cpu and cooler, to no avail. If anyone has any advice please let me know. Thanks!

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Asus
asus.com › us › support › faq › 1043948
[Motherboard] Common Q-CODE(Error CODE) and Troubleshooting | Official Support | ASUS USA
Method a: Check for the Q-Code on the Motherboard, which is usually on the left upper edge or lower edge of the motherboard, as shown in the picture below:
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PCPartPicker
pcpartpicker.com › forums › topic › 312930-q-code-00-asus-maximus-x-hero
Q Code 00 Asus Maximus x Hero - PCPartPicker
But According to asus forum. code 00 is caused by three things, a faulty psu, motherboard or cpu.
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Asus
rog-forum.asus.com › t5 › x99 › new-pc-won-t-post-no-display-q-code-00-now-nothing › td-p › 567447
New pc won't POST, no display, Q-Code 00, now noth... - Republic of Gamers Forum - 567447
March 6, 2024 - I was also getting Q-Code 00. People on Overclock.net said it was probably the CPU not being seated. This was my set: Case - Corsair Obsidian 900D Processor - Intel Core i7 5930k 2 GPUs - Nvidia Geforce GTX 980 Ti Hydro Copper (2-way SLI) ...
Top answer
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This may be a stupid/simple question to ask, but did you ground yourself? Because about a month ago I was messing with system to switch my PSU, but kinda forgot/lost myself to ground myself and so I kinda shocked my board. So I went back to the place it was built and fixed it. I remember my builder was talking something about draining the capacitors on the mobo by plugging in their 4 pin power connector next to the 8 pin CPU power connector then unplug it and disable it after it was done. That connector is unnecessary unless you need more voltage for OC, but it may be the cause. If everything is the same parts from your old case, this might be your cause. I'm not saying it IS, but it's just a possibility. So that was my experience with the x99 boards, I did not know there was an extra 4 pin power connector to begin with, so I had to get a new PSU. I have no clue how he drained them though, so I can't help you with that part, maybe Google it something if this is your case. I hope this helps at least a little :)
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Hi Problem could also be the PSU do you have a known good working spare PSU? If a modular PSU have the cables been connected correctly at PSU end? I am supprised you are able to flash the bios or know that it suceeded without any display Problem more likely to be motherboard than CPU A lower power PSU may work if the graphics card not plugged in a few more thoughts check cmos clear jumper is in correct location (read the user guide/manual) check cpu and RAM is on supported list at Asus web site regards Mike Barnes
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OC3D Forums
forum.overclock3d.net › [oc3d] processors & platforms › mainboard & cpu
Asus q code error 00 | OC3D Forums
December 29, 2015 - Q Code 00 is not used. It will most likely by D0 which is "CPU Initialisation Error". Can be caused by faulty power delivery from Caps etc. Try either dropping your OC slightly or increasing the Vcore to see if the problem persists.
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TechEnclave
techenclave.com › hardware & gaming › pc builds, modding & overclocking
Asus X99-A showing 00 Q Code [HELP] - PC Builds, Modding & Overclocking - TechEnclave
January 7, 2025 - Hey, I have a PC I built in 2014 on the Asus X99-A motherboard. Over the years I’ve added a lot to it. Recently it just started showing issues and finally threw a “00” Qcode. Does anyone have experience troubleshooting this or was able/unable to get this fixed by themselves or by a ...
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Google Translate
translate.google.com › translate
New BUild - Error Code 00 with no display - Republic of Gamers Forum - 919355
March 28, 2023 - Stupid question i guess but.... did you plug all the power required by the board from the PSU? ... I just verified in the manual of your MB, and the code 00 is supposed to be unused...
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Google Translate
translate.google.com › windows troubleshooting
How to Fix 'Error Q-Code 00' on ASUS Motherboard - Windows Troubleshooting - Appuals Community
April 29, 2024 - Originally published at: How to Fix 'Error Q-Code 00' on ASUS Motherboard Some PC users using an ASUS motherboard are seeing the 00 Q error code on their motherboard whenever they attempt to boot up their computer. S…
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Google Translate
translate.google.com › translate
Ayuda con el código Q 00 de Asus: r/buildapc
So my GPU died in early 2021 and due to the prices I wasn’t able to get a new one. I got a 3080 recently as the prices have cooled down. I also got a new cpu cooler(Noctua D15). My cpu is the i9-9900k and my mobo is ASUS MAXIMUS hero XI (wifi). After I installed the GPU and cooler the pc booted with q-code 00.
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Google Translate
translate.google.com › home › other hardware › the most commonly seen q-code errors on asus motherboards, and how to fix them
The most commonly seen Q-Code errors on Asus motherboards, and how to fix them
February 22, 2024 - A Q-code LED, in case you are wondering, essentially displays a two-digit code to denote the status of your PC. It's more of a status indicator than an error code LED, and you may notice it cycling through a bunch of rapidly changing codes before it settles on one as your PC finally boots. Simply buying an Asus motherboard with a Q-code LED isn't enough, as it's equally important to know what they mean and how you can troubleshoot based on the code that's showing up on the motherboard.
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PCPartPicker
nz.pcpartpicker.com › forums › topic › 128674-asus-q-code-00
Asus Q code 00 - PCPartPicker
I've done the following : reset cmos Removed and shorted the cmos battery Flashbacked the bios to every version available for download from Asus Switched the EEPROM with one from an identical MB I had extra (bent a pin on cpu) Reseated the CPU Tested the power supply with the paper clip test Updated all drivers and windows.
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Asus
rog-forum.asus.com › t5 › z370-z390 › first-time-power-up-no-post-q-code-00-bad-board-or-cpu › td-p › 791996
First Time Power Up - No POST - Q-Code 00 - Bad Bo... - Republic of Gamers Forum - 791996
March 7, 2024 - 2) If the board is in a chassis, ... the CPU or board. Code 00 can be numerous things on the board (such as power rails not pulling up or corrupt firmware)....