Hallelujah, my PC came back to life! So I don't know if there was a weird issue with the memory sticks or the HDMI/Displayport cables/ports, but when I fiddled around with reseating the RAM sticks, I found that the 1st slot initially was not showing RGB lighting. So I figured I'd give it and other RAM sticks a quick clean by using small alcohol cleaning wipes to gently wipe the contacts. After doing that, I moved the video cables to other ports. Once I started the PC, Eureka - keyboard lights came up, all memory sticks were lighting up, and the computer passed the BIOS screen right to the Windows login screen. I was immensely relieved to see this. The only minor issue I came across is that the my mouse dongle that was connected to the front USB 3.0 port (on be quite Pure Base 500DX) is not working. But when I moved it the rear I/I, it works. Answer from InfinityStyle on reddit.com
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Reddit
reddit.com › r/buildapc › post code 02 for asus crosshair viii dark hero
r/buildapc on Reddit: Post code 02 for Asus Crosshair VIII Dark Hero
April 19, 2022 -

So my recently new PC has gone through several months without issues until this past afternoon, when upon boot, I got an "American Megatrends" screen saying that it didn't detect my keyboard & mouse, and stated that "VGA card is not supported by UEFI".

My PC is running with Asus ROG Crosshair VIII Dark Hero, Ryzen 9 5900x, ASUS TUF Gaming RTX 3080, Seasonic Plus 1000W 80+ Gold PSU, and the MSI MAG274QRF-QD monitor.

What's strange is that it detected and recognized all 6 of my internal drives ( 2 NVMe, 2 SSDs, 2 HDDs). I don't know what could've caused this issue. I tried switching keyboards, reseating GPU, reinserting memory sticks, draining the CMOS battery ( remove and wait for 5 mins), reapplied thermal paste to CPU, and do BIOS flashback, none of which solved the issue. I can't even get into configuring the BIOS itself since the keyboard doesn't function.

I'm at a loss as to what to do, especially since this PC is not even a year old. Does anyone have any advice or ideas to help me on this?

Top answer
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Update: Well, my relief was short-lived. Stopped by my home to turn on my PC, and the SAME ISSUE comes up all over again!! Even worse, the Q-LED shows a white light (VGA) under the q code "A0" for a good minute, and then the green light (boot) follows, showing a q code of "02" again. How this happened is beyond me, but I tried using my HDMI cable from my laptop to my monitor, and the HDMI cable works fine. I tried using a replacement Displayport cable from my PC to my monitor to no avail. Then tried placing my GPU on the 2nd PCIe slot, only that it still showed the same errors. I don't know guys, I fear this is looking like a RMA, but I don't even know if it's the CPU, GPU, motherboard that would need replacing. (All of these are still under warranty, fyi.) Any one know other methods that might work?
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Hallelujah, my PC came back to life! So I don't know if there was a weird issue with the memory sticks or the HDMI/Displayport cables/ports, but when I fiddled around with reseating the RAM sticks, I found that the 1st slot initially was not showing RGB lighting. So I figured I'd give it and other RAM sticks a quick clean by using small alcohol cleaning wipes to gently wipe the contacts. After doing that, I moved the video cables to other ports. Once I started the PC, Eureka - keyboard lights came up, all memory sticks were lighting up, and the computer passed the BIOS screen right to the Windows login screen. I was immensely relieved to see this. The only minor issue I came across is that the my mouse dongle that was connected to the front USB 3.0 port (on be quite Pure Base 500DX) is not working. But when I moved it the rear I/I, it works.
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Reddit
reddit.com › r/asusrog › asus rog crosshair viii dark hero giving error code 4d, does not detect display and no power to keyboard or mouse.
r/ASUSROG on Reddit: Asus ROG Crosshair VIII Dark Hero giving error code 4d, does not detect display and no power to keyboard or mouse.
April 11, 2022 -

Issue: Was playing Elden Ring on PC when it froze, oddly started making these weird electronic noises alternating between 2 like eeerrrr aaarrrrrr and required a hard shutdown with power button. First time the noises have happened, 3rd time game caused PC to freeze this bad, one time had to shut off the PSU because power button was non responsive. PC is ~1.5 yrs old with no issues prior to playing this game. Wasn't watching temps at the time but have been fine when randomly looked during other sessions.

Now when I turn it on the mobo/fan lights come on but nothing else does and I get the error code 4d on my ASUS mobo which is not in my manual but right before then it says code 54 which is an unspecified memory initialization error. Not sure if is the same thing? Also there is a red light for CPU.

I've tried unplugging everything and dissipating the charge by holding down the power button but that has not worked.

Each RAM stick 1 at a time, no change.

Replaced CMOS battery with new one (after leaving out for awhile).

All peripherals (monitors, mouse, keyboard) work fine when plugged into a laptop

Specs:

OS - Windows 10 latest build 21H2

Mobo - Asus ROG Crosshair VIII Dark Hero (updated BIOS a few months back unsure what version probably 3801 or 3904)

CPU - Ryzen 7 5800X

GPU - 3090 FE (mounted vertically so blocks CMOS and M.2 slots)

RAM - 32 (4x8) GB Crucial Ballistix DDR4-3600 (tested each individually, no dice)

Main SSD - Sabrent Rocket 4.0 NVMe

PSU - Corsair RMx 1000 W

Coolling - custom hard line water cooling loop over CPU and GPU. Water pump and case fans work normally when turned on (with fan lights powered on)

Monitors - had 2 + TV plugged in at time of issue, none receive signal. Work fine when plugged into laptop.

Mouse and keyboard work fine when plugged into laptop as well.

Age - First assembled Dec2020, water cooling installed Apr2021.

Not sure what else to try? Should I try to RMA the board or what?

Update: Tried RMA on the CPU first but that did not help, RMA for the motherboard seems to have done the trick so give that a try if you experience this same error.

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Asus
rog-forum.asus.com › t5 › amd-500-400-series › asus-crosshair-viii-hero-code-00-0d-orange-led-freeze-lock-up › td-p › 910657
Asus Crosshair VIII Hero Code 00/0D Orange LED fre... - Republic of Gamers Forum - 910657
January 10, 2024 - So before about 3 days ago, this has never, ever occurred with my system, and I have had zero stability issues for months with this system, - 910657
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Asus
rog-forum.asus.com › t5 › amd-500-400-series › q-code-9e-rog-crosshair-viii-dark-hero › td-p › 893798
Q-Code 9E - ROG Crosshair VIII Dark Hero - Republic of Gamers Forum - 893798
March 6, 2024 - Q-Code 9E - ROG Crosshair VIII Dark Hero · Options · Subscribe to RSS Feed · Mark Topic as New · Mark Topic as Read · Float this Topic for Current User · Bookmark · Subscribe · Mute · Printer Friendly Page · Halodies · Level 7 · ...
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Tom's Hardware Forum
forums.tomshardware.com › home › systems
Question - Asus ROG Crosshair VIII Dark Hero and RAM issues (LiveKernelEvent code 144) ? | Tom's Hardware Forum
July 20, 2021 - PS :There's no reset botton in the corsair 570X tower. 2. Crashes. When I m playing there's crashs. It's always the same windows error : ''Material problem : LiveKernelEvent code ; 144 or ffab '' Sometimes there's bluescreen sometimes it's just the game who shut down.
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Overclock.net
overclock.net › home › forums › amd › amd motherboards
Code 99 ASUS ROG Crosshair VIII Dark HERO -HELP! | Overclock.net
January 9, 2022 - My new build gets stops at the second code 99 and shows press F2 or DEL key to get into bios on screen. F2 and DEL do nothing. ALT-CTL-DEL works, Num lock, Caps lock , etc. work. Build details: ASUS ROG Crosshair VIII Dark HERO AMD Ryzen 9 5900X ASUS GEFORCE RTX 3080 G.SKILL TridentZ neo...
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Level1Techs
forum.level1techs.com › hardware hub › motherboards
ASUS ROG Crosshair VIII Hero - 0D error & sudden hardware reboot - Motherboards - Level1Techs Forums
November 21, 2024 - Computer specs: ASUS ROG Crosshair VIII Hero Motherboard X570 Chipset AMD Ryzen 7 5700X (Upgraded from Ryzen 7 3700X) XTX AMD Radeon RX 7900 GRE (Upgraded from NVIDIA RTX 2070 Founders Edition) 32GB (4 x 8GB DIMM) Lexa…
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Asus
rog-forum.asus.com › t5 › previous-forum › rog-crosshair-hero-viii-q-code-00 › td-p › 895846
ROG Crosshair Hero Viii Q Code 00 - Republic of Gamers Forum - 895846
February 2, 2023 - Although it seems that you have tried some troubleshooting steps, we still recommend that you refer to the link below to troubleshoot the 00 code of the AMD motherboard to check if you have missed any details. https://www.asus.com/support/F...
Find elsewhere
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Reddit
reddit.com › r/asus › 5950x ff error code?
r/ASUS on Reddit: 5950x FF Error Code?
November 6, 2020 -

Today much awaited, I excitedly replaced my 2700x with a 5950x for unimaginable gains. Unfortunately after installing the required bios (2311) and also the 5950x into the crosshair viii hero (wifi)... I get a FF code within Windows. And for some reason my two hard drives don't appear in windows? Is it possible the motherboard needs to be replaced? Or did I get a dud of a 5950x?

Any suggestions is appreciated!

Thanks 😊

Edit:

I've managed to get my two hard drives displayed within Windows. It seems after the bios updated the motherboard defaulted them to Raid... Luckily nothing was lost!

Still having FF appear as an error code even though CPU/GPU + components running well?

The following troubleshooting I tried:

  • Downgraded from beta to stable bios

  • Reseated CPU

  • Reconnected Sata Cables

  • Reconnected RTX 3090

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Reddit
reddit.com › r › AMDHelp › comments › mvack1 › asus_crosshair_viii_hero_x570_d3_error_code_with
asus crosshair Viii hero x570 d3 error code with new 21.4.1 drivers : AMDHelp
April 21, 2021 - asus crosshair Viii hero x570 d3 error code with new 21.4.1 drivers (self.AMDHelp) submitted 1 year ago by lexus_86_k · 7 comments · share · save · report · all 7 comments · sorted by: new (suggested) besttopcontroversialoldrandomq&alive (beta) Post a comment!
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Reddit
reddit.com › r/pcmasterrace › dark hero 00 error
r/pcmasterrace on Reddit: Dark Hero 00 error
October 7, 2021 -

Hi together,

I was playing For Honor and watching some movie on Netflix. Then I went afk for about 5 minutes. When I came back I had a blackscreen and my mainboard showed the error code 00 so I looked it up on the manual and it says "not used". That doesn't help me at all. Can anyone explain to me what code 00 means? And what I can do to prevent it?

Rig: Ryzen 9 5950x Asus Dark Hero Mainboard x570 Msi 3070 ti suprim 32gb g.skill trident Z neo ram 3600mhz CL16 850w Titanium psu corsair Asus Ryujin 360 AiO

Thanks in advance ☺

Top answer
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Corrupted data is perpetuated by CMOS battery – Under certain circumstances, you can expect to see this error code if your CMOS battery is ‘remembering’ corrupted boot data in between restarts. To fix this problem, you need to take out the CMOS battery in order to drain the power capacitors of your motherboard. BIOS or UEFI data is causing instability – As it turns out, there are certain BIOS or UEFI settings that might cause this type of motherboard error. Sometimes this can be resolved by resetting your BIOS or UEFI setting back to their factory defaults. RAM inconsistency – According to some affected users, this problem can sometimes be caused by your RAM sticks if you’re using a dual-channel setup. If this scenario is applicable, swapping the slots in which the 2 sticks are inserted might fix the issue in your case. Instable Overclocking – If you overclocked the frequencies and voltages of your CPU, GPU or RAM, you can also expect this motherboard error to occur due to general system instability. In this case, you should reset your overclocked values back to their defaults and see if the issue is now fixed. Method 1: Resetting the CMOS Battery (if applicable) 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. In most cases, this particular ASUS Q error is caused by some type of corrupted data that’s preserved in-between startups and needs to be cleared. If this scenario looks like it could be applicable, you can fix the problem by opening your PC case and temporarily removing the CMOS battery in order to clear any information that might be causing this error at every startup attempt. In case you don’t know how to clear the CMOS battery by yourself, follow the instructions below for step by step instructions: Note: The instructions below are mostly applicable to desktop PCs. Although it’s possible to remove the CMOS battery on your laptop, this most likely involves breaking apart the whole thing which is considerably more complicated than just removing the case. Start by turning your computer and unplug it from the power source it’s currently connected to. Next, remove the side case on your PC a equip yourself with a static wristband before touching any of the internals. Note: A wristband is optional but recommended since it will ground you to the frame and eliminate the risks of causing shorts due to static electricity by evening out the electrical energy propagated throughout your PC components. Once you’ve made sure that you’re using the proper safety precautions, take a look at your ASUS motherboard and locate your CMOS battery. It’s easy to recognize as it’s basically the same kind of battery you’ll find on analog watches. When you see it, use your fingernail or a non-conductive object to remove it from the slot. Removing the CMOS battery Once you manage to remove the battery, wait for 10 seconds or more to give your motherboard enough time to drain the power capacitors and ‘forget’ the information that was previously stored by the CMOS battery. Next, reinsert the CMOS battery back into its slot and put the side cover back before plugging your computer back into a power source. Boot your computer normally and see if the problem is now fixed. In case the same problem is still occurring, move down to the next potential fix below. Method 2: Resetting BIOS / UEFI Settings (if applicable) If removing the CMOS battery didn’t fix the problem and you have access to your BIOS or UEFI, you might be able to fix the problem by resetting your UEFI (Unified Extensible Firmware Interface) or BIOS (Basic Input / Output System) settings. If this problem is indeed related to a UEFI or BIOS setting, resetting everything back to their default values will fix the issue (as confirmed by a lot of affected users). IMPORTANT: You can only follow the instructions below if you get a signal to your monitor and you are able to access your BIOS or UEFI settings. But keep in mind that depending on the low-level type of software that you’re using, the instructions for resetting those settings will be different. To treat both potential scenarios, follow one of the sub-guides below: A. Resetting the UEFI Settings to Factory If you can’t boot up at all, you can force your PC to boot into the Recovery menu by forcing 3 consecutive startups interruptions – Do so by turning off your PC while it’s booting up. Once you’re inside the Recovery menu, go to Troubleshoot > Advanced, then click on UEFI Firmware Settings. Accessing the UEFI firmware settings Next, click on the Restart button to confirm your choice and wait until your computer will restart directly into the UEFI menu. Restarting the computer directly into the UEFI Setup After your computer boots directly into the UEFI settings, look around the settings, and look for the Restore / Reset tab and look for the Restore Defaults option. Restore UEFI settings to the defaults Note: Depending on your UEFI version and motherboard manufacturer, the exact names of these menus will be different. At the confirmation prompt, confirm the factory reset and restart your computer conventionally to see if the problem is fixed. B. Resetting BIOS Settings to Factory Power up your PC and start repeatedly pressing the Boot key (Setup key) immediately after you see the first screen. This should eventually take you directly into your BIOS screen. Note: In most cases, the Boot (Setup Key) is one of the following keys: Del key (Dell Computers), the Esc key, or one of the F keys (F1, F2, F4, F8, F12). Once you’re inside your BIOS settings, look for the menu named Setup Default or Reset to Default or Factory Default. Next, access the Load Setup Defaults option to refer back to their default values. Load default system configuration Save the changes, then restart your computer conventionally and see if the problem is now fixed. In case the same problem is still not resolved, move down to the next potential fix below. Method 3: Swapping your RAM Sticks As it turns out, some affected users have managed to fix the problem simply by swapping up their RAM sticks with each other before booting the computer again. This method was confirmed to be effective for a lot of affected users – All they did was they powered off their computer and opened the PC case to change the slots in which their dual channel RAM sticks were inserted. Check your RAM sticks Swapping your RAM sticks Once you swap the RAM sticks slots, boot your computer normally and see if the problem is now resolved. If the same problem is still occurring, move down to the next potential fix below. Method 4: Removing Overclocked Frequencies If you’re currently overclocking your the frequencies and/or voltages of your RAM, CPU, or GPU, that might be the main cause of this error code. Most likely, you’re seeing this motherboard error code due to general system instability. In case this scenario looks like it could be applicable and you’re seeing this error after overclocking certain components on your PC configuration, go ahead and revert back to the default values before booting up again and see if the problem is fixed.
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ManualsLib
manualslib.com › brands › asus manuals › motherboard › rog crosshair vii hero
Q-Code Table - Asus rog crosshair vii hero Manual [Page 96] | ManualsLib
January 3, 2019 - Code Description S3 Resume is stared (S3 Resume PPI is called by the DXE IPL) E0 S3 Boot Script execution E1 Video repost E2 OS S3 wake vector call E3 Reserved for future AMI progress codes E4 – E7 S3 Resume Failed E8 E9 S3...
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ManualsLib
manualslib.com › brands › asus manuals › asus motherboard manuals › asus rog crosshair viii dark hero manuals › asus rog crosshair viii dark hero manual
ASUS ROG CROSSHAIR VIII DARK HERO MANUAL Pdf Download | ManualsLib
October 19, 2024 - CPU self test failed or possible CPU cache error CPU micro-code is not found or micro-code update is failed Internal CPU error Reset PPI is not available 5C – 5F Reserved for future AMI error codes (continued on the next page) ROG CROSSHAIR ...
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Reddit
reddit.com › r/asus › asus rog crosshair viii dark hero giving error code 4d, does not detect display and no power to keyboard or mouse.
r/ASUS on Reddit: Asus ROG Crosshair VIII Dark Hero giving error code 4d, does not detect display and no power to keyboard or mouse.
April 11, 2022 - Now when I turn it on the mobo/fan lights come on but nothing else does and I get the error code 4d on my ASUS mobo which is not in my manual but right before then it says code 54 which is an unspecified memory initialization error.
🌐
Asus
rog-forum.asus.com › t5 › amd-500-400-series › asus-rog-crosshair-viii-dark-hero-and-ram-issues-solved › td-p › 882481
Asus ROG Crosshair VIII Dark Hero and RAM issues (... - Republic of Gamers Forum - 882481
March 6, 2024 - Sometimes it's just a big freez but the game come back (in world of warcraft for exemple) but i still have the problem report when I check windows fiability historical. 3. The Qcod from motherboard show 0C witch means*: '"Reserved for Future AMI SEC Error Codes" Maybe its because i've overclocked my CPU to 49x.
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ManualsLib
manualslib.com › brands › asus manuals › motherboard › rog crosshair viii formula › user manual
Q-Code Table - Asus ROG CROSSHAIR VIII FORMULA User Manual [Page 96] | ManualsLib
September 9, 2019 - Code E0 E1 E2 E3 E4 – E7 E8 E9 EA EB EC – EF F0 F1 F2 F3 F4 F5 – F7 F8 F9 FA FB – FF 60 61 62 63 – 67 68 69 6A 6B – 6F 70 71 72 73 – 77 78 79 7A – 7F A-2 Description S3 Resume is stared (S3 Resume PPI is called by ...
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Linus Tech Tips
linustechtips.com › the workbench › troubleshooting
New built no display on first boot - Troubleshooting - Linus Tech Tips
January 30, 2021 - Hi All, I've just finished building my new PC and when I boot it I get no display on my monitor. However I am seeing the error code 02 on my motherboard. Does anyone know what that is? I have the following components ASUS motherboard (x570 ROG Crosshair VIII Hero) 32GB (4x8) RAM Corsair Vengeance...
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Linus Tech Tips
linustechtips.com › the workbench › troubleshooting
ROG Crosshair VIII Error code 0d after BIOS update - Troubleshooting - Linus Tech Tips
February 16, 2021 - Hey Everyone! Having some trouble with a new build and hoping to get some help before I pull what's left of my hair out. I am getting code 0d and an amber indicator for DRAM. I'm working with: ROG x570 Crosshair VIII Hero (Wifi) Ryzen 9 5900x G.Skill 2x32 model F4-3600C18D-64GTZN So far I have -u...