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
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!
Top answer 1 of 3
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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.
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This is probs to late for you but for anyone else make sure that the CPU power cable is in all of the way and if it isn’t that could be the cause
Overclock.net
overclock.net › home › forums › intel › intel motherboards
Q-code 00, no boot troubleshooting | Overclock.net
July 15, 2018 - Click to expand... In my experience, 00 has always been a dead CPU. What thermal paste did you use? If it is conductive, I'd bet money you shorted some contacts on the CPU and fried it. It doesn't take much, and unless you used a very bright light and a magnifying glass, you probably didn't clean it well enough.
Q-Code 00 - Republic of Gamers Forum - 572839
Hello everyone. I was normally using my pc when it randomly went off, for the firt time after 1 month of life. I tryed to switch it on but monitor says there is no signal...and keyboard is dead, while mouse for some reason is still alive ( i'm able to tell this since both of them had extra ... More on rog-forum.asus.com
X670E-E, Q-CODE "00," WONT POST/BOOT
Hey all, I built this PC in December as a novice, after saving for a "dream computer." The dream didn't materialize. More on community.microcenter.com
I am getting q led code 00 on asus strix x570-e with ryzen 7 3700x
Hi I recently built a desktop and with everything plugged in I get q led code 00 immediately after I press the power button. The boot, cpu, vga, dram lights are all off. All of my fans turn on and light up. The built in rgb on the motherboard cycles through colors when the psu is flipped on and... More on forums.tomshardware.com
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May 4, 2021Question - ASUS Strix X570 Crosshair VIII Hero power cycling continuously, showing Q-Code 00? | Tom's Hardware Forum
Currently installed on the motherboard is just the cpu. A Ryzen 7 3700× I've pulled it out to check for any damages pins in the socket or on the cpu and as far as I can tell they seem fine. Anyone have any thoughts? It was all working a few months ago. The manual says Q-code 00 isn't used. More on forums.tomshardware.com
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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
code 00 is caused by three things, a faulty psu, motherboard or cpu.
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.
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 - In my experience here on the forum code 00 is usually caused by 3 things, a dead cpu, faulty motherboard or faulty psu. Were you doing any overclocking and if so were your temperatures ok?
Appuals
appuals.com › home › microsoft windows › windows troubleshooting
How to Fix 'Error Q-Code 00' on ASUS Motherboard
April 29, 2024 - As it turns out, one of the most common reasons that might be causing the 00 Q error code is an inconsistency that’s perpetuated by the CMOS (Complementary Metal-Oxide Semiconductor) battery.
Top answer 1 of 3
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@Dark_water_
I have a couple of similar ASUS boards up and have had issues with this kit. I'll be digging into it more this week. Our testing is focused elsewhere, but I'll look at that kit a bit more and see what I can figure out. In our case the board wouldn't POST until discharged the system. Then it did train and POST, however we encountered stability issues. It sounds like you're encountering a cold boot issue. Are you stable when it does boot?
I don't have the board in front of me, but try this. There's a setting I believe is called MCR. Used to be called MRC on DDR4 boards. Its purpose it to speed up your boot and wake times by not training every time. Disable this, let the board retrain every time you start it up. Lets see if that has any impact first. I'll get more information this week.
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When I can get windows to boot, the system is 100% trouble free. I am terrified to reboot, but I recently turned off "fast boot" based on something I read on another forum. It didn't improve anything once disabled. Here goes nothing with the "MCR "setting if I can located that. If you see another reply, it must have worked.
Linus Tech Tips
linustechtips.com › computer hardware › cpus, motherboards, and memory
What does Q code 00 mean? - CPUs, Motherboards, and Memory - Linus Tech Tips
December 9, 2018 - Hey, I got a cheap cpu from ebay, and i installed it on my mb. The cpu red led lit up and the Q code said 00. How do i troubleshoot that ? Is it poosible the cpu is dead on arrival? My pc does boot normally when i change mine back in.
CGDirector
cgdirector.com › home › troubleshoot & fix › troubleshooting asus motherboard error q-codes — everything you need to know
Troubleshooting ASUS Motherboard Error Q-Codes — Everything you need to know
August 15, 2022 - Thankfully, for the most part, code 00 happens when you have issues with your CPU.
Tom's Hardware Forum
forums.tomshardware.com › home › motherboards
[SOLVED] - I am getting q led code 00 on asus strix x570-e with ryzen 7 3700x | Tom's Hardware Forum
May 4, 2021 - Because QCode 00 is undocumented it is a large flag and can also be a short to MB standoffs. If it continues then the only way is to Benchtest out of your Case in a minimalist state where you add hardware components one at a time till the culprit is found.
Tom's Hardware Forum
forums.tomshardware.com › home › motherboards
Question - ASUS Strix X570 Crosshair VIII Hero power cycling continuously, showing Q-Code 00? | Tom's Hardware Forum
June 26, 2023 - Even ASUS own website says that code 00 is most probably a CPU problem. Das ASUS Support Center hilft Ihnen Treiber, Handbücher und Firmware-Versionen herunter zu laden. Hier finden Sie auch FAQs und Troubleshooting Hilfen ... Q-code 00 is normally CPU related even though it says "not used" ...
Level1Techs
forum.level1techs.com › hardware hub › motherboards
Qcode 00 - Motherboards - Level1Techs Forums
July 21, 2017 - So I have a Q code 00 on my motherboard which generally means (no post) but everything is working fine does anyone have experience with this? From what i was reading,it generally means the motherboard or the CPU has a f…
Asus
rog-forum.asus.com › t5 › overclocking-tweaking › q-code-00 › td-p › 515474
Q-Code 00 - Republic of Gamers Forum - 515474
March 6, 2024 - Yea code 00 usually but not always is a bent pin in the CPU socket, I've seen a few other ones tho not attributed to bent pins 4790k is part of the haswell series even tho its a refresh, as far as I've ever been aware haswells absolutely hate when u mix ram kits up Caused me to wonder if u were getting the code cause maybe the memory controller on the CPU is acting up do to mixed ram kits If u remove the ram u just installed does the code go away??
TechSpot
techspot.com › community › topics › q-code-led-reads-00.244242
Q code LED reads "00" | TechSpot Forums
February 2, 2018 - "no ground" - I'm not an EE, but ... & CPU w/fan and the fan runs but nothing else - no LEDs & no Beeps. Q-code of 00 appears to mean that the CPU is not intializing....
Asus
rog-forum.asus.com › t5 › amd-800-series › q-code-00-on-pro-ws-trx50-sage-wifi › td-p › 1114919
Q-CODE 00 on Pro WS TRX50-SAGE Wifi - Republic of Gamers Forum - 1114919
September 22, 2025 - I guess I was expecting a more meaningful Q-LED code as 00 suggest bad CPU or Motherboard, and the amber/yellow light indicates bad DRAM … so the messages ASUS provide are VERY misleading and wrong.
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 ...
HWiNFO
hwinfo.com › home › forums › general › general discussion
Report of High CPU Soc Power Causes Q code 00 on Motherboard | HWiNFO® Forum
January 26, 2022 - I had issues where the PC would randomly crash and then code 00 would appear with orange DRAM led lit indicating there is ram compatibility issue I had to manually shutoff the power supply and power the system then it would run fine for a week and then it would happen again , You are using 3600Mhz Neos which should be compatible with the processor but might not be on the QVL list on Asus side.
Tom's Hardware Forum
forums.tomshardware.com › home › motherboards
q-code 00 after failed psu | Tom's Hardware Forum
September 6, 2013 - If the first PSU was indeed faulty, it could have damaged the motherboard and CPU. Code 00 indicates that the POST initialization routines aren't even starting. I would clear CMOS, and try again. If that does not work, I'd suggest getting yourself a quality PSU and RMAing that motherboard.
Tom's Hardware Forum
forums.tomshardware.com › home › motherboards
Rebuilt PC Not Booting (ASUS Q-Code 00) | Tom's Hardware Forum
August 9, 2017 - Well, considering what you've tried, the fact the manual for your motherboard says code "00" isn't used, and it wasn't working when you got it back from ASUS, I'd be calling them.