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Tom's Hardware Forum
forums.tomshardware.com โ€บ home โ€บ cpus
[SOLVED] - ROG Strix X570-E Red CPU Light Q-Code 04 | Tom's Hardware Forum
April 9, 2022 - Hi SethSlax ๐Ÿ‘ The only thing I can think of is your RAM as you eluded to. Qcode 04 is an initialization issue (early in the Post cycle phase) and RAM has been known to throw up this code. Have you eliminated the possibility of RAM errors using Memtest86.? Does your RAM kit (4 x G.Skill TridentZ ...
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Tom's Hardware Forum
forums.tomshardware.com โ€บ home โ€บ motherboards
ASUS Maximus VIII stuck at q code 04 | Tom's Hardware Forum
July 12, 2016 - At this point, only powering up the CPU, MB and Mem (which I reseated). Also, did a full CMOS clear. No difference. Edit: Update of my update: After removing battery from CMOS and waiting awhile, it booted up for a few seconds, auto-restarted, then got to qcode: 04.
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Asus
rog-forum.asus.com โ€บ t5 โ€บ other-motherboards โ€บ maximus-iv-04-debug-code โ€บ td-p โ€บ 192355
Maximus IV 04 debug code - Republic of Gamers Forum - 192355
March 7, 2024 - I pressed F10 to save and exit. ... the Debug code on the motherboard says 04, which corresponds to 'pch initialization before microcode loading' ....
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PCPartPicker
pcpartpicker.com โ€บ forums โ€บ topic โ€บ 409308-asus-rog-strix-x570-e-no-post-and-q-code-04
Asus Rog Strix X570-E NO post and Q-Code 04 - PCPartPicker
However a month ago it didn't boot anymore. The Q-Code on the motherboard shows 04. Wish according to the manual is: "PCH initialization before microcode loading". ... I tried: Change the RAM to an older one. Change PSU. Removed the cooler, and CPU, and assembled it again.
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Tom's Hardware Forum
forums.tomshardware.com โ€บ home โ€บ components
CPU Red Light | Tom's Hardware Forum
August 17, 2018 - So I came home from a weeks vacation to a computer that would not boot. On the mobo it said CPU Code 04. I looked online for existing threads on this and I saw that some people were saying to reset the system via the power supply. I tried this and now it will give a post error CPU Code 00 which means that the computer wonโ€™t even start to post.
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EVGA
evga.com โ€บ support โ€บ faq โ€บ FAQdetails.aspx
EVGA FAQ - Motherboard Debug Post Codes
May 1, 2020 - This can be caused by a defective ... state ยท 02 - System is entering S2 sleep state ยท 03 - System is entering S3 sleep state ยท 04 - System is entering S4 sleep state ยท...
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Asus
rog-forum.asus.com โ€บ t5 โ€บ rampage-vi-strix-x299-series โ€บ how-to-fix-cpu-code-00 โ€บ td-p โ€บ 768498
How to fix CPU CODE: 00 ? - Republic of Gamers Forum - 768498
October 2, 2023 - Nate152 wrote: Hi mjman8935 I don't have your board but most of the time code 00 is caused by three things, a faulty psu, motherboard or cpu. Testing with three psu's I think we can rule out the psu. There are other things that can cause code 00 like bent cpu socket pins, corrupt bios, failed memory training.
Find elsewhere
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Tom's Hardware Forum
forums.tomshardware.com โ€บ home โ€บ motherboards
Question - Z690 Aorus Ultra Giving a code 04 or D4 | Tom's Hardware Forum
February 6, 2025 - I am not really 100% sure what this means and am wondering what could cause/fix such a code. ... I just installed a new CPU cooler, Make and model of your cooler? What processor are you working with? Might want to relieve some pressure from the mounting of your cooler and see if the issue persists. ... I just installed a new CPU cooler, Make and model of your cooler?
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ASRock Forums
forum.asrock.com โ€บ forum_posts.asp
Error Code 04 on Z170 Forumla OC - ASRock Forums
My system has been stable for the last 3-4 years. 2x16 PC 3200 Corsair sticks. Last weekend, it failed...
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Tom's Hardware Forum
forums.tomshardware.com โ€บ home โ€บ motherboards
My Motherboard is showing number 04 all the time | Tom's Hardware Forum
August 24, 2014 - My Motherboard has a debug card to Troubleshoot my PC This debug card is showing code 04 all the time which isn't normal, The normal code is A0 Code 04 means ''South Bridge initialization before microcode loading'', I also don't know what does that mean Thanks
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Reddit
reddit.com โ€บ r/buildapc โ€บ pc won't shut down.. asus q code 04
r/buildapc on Reddit: PC won't shut down.. ASUS Q Code 04
July 8, 2017 -

Troubleshooting Help:

Parts list

  • i7-7700k

  • ASUS Maximus IX Code

  • EVGA GTX 1080 SC

  • Corsair Vengeance 2x8GB 3200MHz

  • Corsair 750HX PSU

  • Corsair H110i AIO Cooler

  • 2 x 500GB Samsung SSDs in RAID0

  • ASUS Xonar Xense PCIe Audio Card / Headphone Amp

Describe your problem. List any error messages and symptoms. Be descriptive.

  • When I shut down my PC, or restart my PC, my Motherboard hangs up on Q-Code 04

  • Code meaning: PCH initialization after microcode loading

  • It will sit there for hours if I let it, and won't shut down.

  • It logs out of windows, shuts off my monitors (no video signal) but the lights stay on, and all the fans keep spinning, pump still pumps, etc.. but will not completely shut down

List anything you've done in attempt to diagnose or fix the problem.

I had Cable Mod braided PSU extensions installed, I removed those, and it seemed to go away for a day, but now it's doing it again. Returned the extensions anyways.

I have tried disabling "fast boot" in bios, as I read someone suggested to do that in a prior model motherboard.

I tried moving my RAM to different slots.

I tried buying new RAM thinking the DIMMs may be faulty somehow.

I have disabled nearly everything in PCH that BIOS settings that I don't use.

Post relevant photos of build/parts here.

http://i.imgur.com/BnDcnyb.jpg

Anything else

This is a brand new build, 7 days old. I have never had this much trouble with a build before. The CPU is not Overclocked, but the RAM is set to XMP.

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Reddit
reddit.com โ€บ r/dell โ€บ cpu error cpu0704 on t430
r/Dell on Reddit: CPU error CPU0704 on T430
January 25, 2023 -

Hello all, I have a T430 PowerEdge server and the fan went bad a few days ago. After replacing the fan I got the error CPU0704 which I researched to be CPU 1 Machine check error detected, Reboot. I rebooted the server and checked the thermal paste and heatsink placement but have not been able to eliminate the error. It goes into a reboot loop and cannot access the OS. Any suggestions on how to test and confirm the CPU is cooked?

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Linus Tech Tips
linustechtips.com โ€บ computer hardware โ€บ cpus, motherboards, and memory
04 debug code after a normal bootup.....is that normal? - CPUs, Motherboards, and Memory - Linus Tech Tips
July 7, 2013 - Hi onmy z87 msi gd65 gaming i get the standard set of debug codes at bootup then i get A0 which apparently where the debug led should stay. But after a while it changes to 04 which apparently means 'power on southbridge initialization'. Is that ...
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CGDirector
cgdirector.com โ€บ home โ€บ troubleshoot & fix โ€บ troubleshooting asus motherboard error q-codes โ€” everything you need to know
Troubleshooting ASUS Motherboard Error Q-Codes โ€” Everything you need to know
August 15, 2022 - A lot of things can cause this error to pop up, but itโ€™s mostly connected to the CPU, so try to do all the troubleshooting steps I outlined in 00 and see if that helps. Sometimes, certain I/O connections like USBs can cause this issue as well. So, disconnect all USB cables and see if that fixes the issue at all. If thatโ€™s the issue, systematically go through each cable and figure out which one is causing the issue and replace that. This is another code with many different possible culprits.
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ASRock Forums
forum.asrock.com โ€บ forum_posts.asp
Debug Code 04 and post fail - ASRock Forums
October 19, 2018 - Dear,My X370 Gaming X, When Shutdown W10 system and Debug show code 04.But if i want to turn on it again,...
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ASRock Forums
forum.asrock.com โ€บ forum_posts.asp
Post code 00 - ASRock Forums
May 30, 2021 - Hello, i need help. I replaced my stock cooler with air cooler today but after that i am keep getting...
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Linus Tech Tips
linustechtips.com โ€บ the workbench โ€บ troubleshooting
CPU Error Q-Code 4D-Check CPU - Help! - Troubleshooting - Linus Tech Tips
October 20, 2019 - Heyho! I just recieved the last piece of my hardware and - before putting it all in a case and watercooling it - putting it together "dry" Unfortunately I get a very persistent "4D - Check CPU" error Specs: ASUS ROG Crosshair VIII Formula RYZEN 9 3900x G-Skill Trident Z 3200mhz 1070amp! Any ideas...
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ASRock Forums
forum.asrock.com โ€บ forum_posts.asp
Z170 extreme4 dr.debug 04 - ASRock Forums - Page 1
August 9, 2016 - What is code 04 actually means. I keep getting that code when shutting down and restarting the computer.But...