June 30, 2023 - Help, what is the 27 code means? ... Regarding the buzzer sound you mentioned, we recommend referring to [Motherboard] How to use buzzer to troubleshoot monitor display issues for the scenario of "One long and two short beeps" to further diagnose the memory you are currently using. The relevant FAQs include: [Motherboard] How to query (CPU/memory) QVL List?

ASUS Official website , open the Product Spec Page and check if your model support ASUS Q-CODE in Specifications

February 5, 2024 - There’s no website dedicated to finding Gigabyte fault codes, but we have put together a list of the most common Q-Codes on Gigabyte motherboards. The most common Gigabyte Q-Codes seem to be AB, 27, 70, D0, 03, and DB. Thankfully, a website exists dedicated to finding ASUS fault codes.

November 6, 2023 - When my pc is running, with windows 11, all seems to be fine, but the Q-code on the motherboard always show some errors codes : 27- 28 - 29 - 30 (often on this value) - 31

March 7, 2024 - Alcasczar wrote: So my new Maximus X code keeps going from qcode 25-29 constantly, I looked up the codes and basically all they say is · 20 - OEM pre-memory initialization codes 21 - OEM pre-memory initialization codes 22 - OEM pre-memory initialization codes 23 - OEM pre-memory initialization codes 24 - OEM pre-memory initialization codes 25 - OEM pre-memory initialization codes 26 - OEM pre-memory initialization codes 27 - OEM pre-memory initialization codes 28 - OEM pre-memory initialization codes 29 - OEM pre-memory initialization codes RAM I have is Corsair Vengeance 3000 CMK16GX4M2B3000C15W (2x 8gb) stick, they are in slots A2, B2 but I have not enabled XMP so it's running at stock speed 2133 and did verify this ram appears compatible but I assume these codes mean the board is testing the ram, or the ram or possibly faulty?

August 15, 2022 - Even though debug codes are immensely helpful with troubleshooting issues in your PC, most manufacturers, including ASUS, only ship them with a handful of higher-end motherboards. You can either cover it up by attaching a piece of tape over it or you can turn the Q-Code display off in the BIOS settings.

June 9, 2020 - EDIT 1: Maybe giving some extra Q-Codes will help... Right before my computer goes into a boot cycle (not reaching POST), I see code 39 switch to code 27 -- Code 39 is in the range for "Post-Memory System Agent initialization is started", while Code 27 is not listed in the guise provided by ASUS....

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.

February 5, 2022 - code 27 is some oem code (in bios) is executing its not error code, but checkpoint code which means your system is not stable as it gets stuck there (fails to load something from bios image) can be faulty CPU or RAM or corrupted bios if your another mainboard said same thing, than i supose ...

March 6, 2024 - CPU initialization (CPU module specific) 14 - Pre-memory CPU initialization (CPU module specific) 15 - Pre-memory System Agent initialization is started 16 - Pre-Memory System Agent initialization (System Agent module specific) 17 - Pre-Memory System Agent initialization (System Agent module specific) 18 - Pre-Memory System Agent initialization (System Agent module specific) 19 - Pre-memory PCH initialization is started 1A - Pre-memory PCH initialization (PCH module specific) 1B - Pre-memory PCH initialization (PCH module specific) 1C - Pre-memory PCH initialization (PCH module specific) 1D -

June 29, 2019 - i even setup the voltage and timings with the 2666 kit and same error. i then put them into the ch6 i had and im getting 0d which is the same as 27/c5 it had f30 on it when it came, ill try the f32 considering the issues im having. i did try the ram on the f30 bios and i was getting c5 but then the 33f i was getting 27, im guessing its a code change with the newer bios.

May 26, 2025 - Here’s your comprehensive ASUS motherboard error code list, broken down by categories and what you can do to fix them. Q-Codes are two-digit hexadecimal diagnostic codes that appear on higher-end ASUS motherboards (like ROG, TUF, and ProArt lines).

February 10, 2021 - So... I've just installed my new ryzen whatever and it turned on , everything was like flowers. Until i noticed that my asus motherboard code was different than before. It was on ff which apparently means the dark vader is coming to kill my pc this sort of thing like smell your motherboard level ...

February 22, 2023 - This sounds stupid but I had the same issue weeks ago on my ASUS X570 Prime Pro and my 3700x. I troubleshooted just like you did only to find out it was my monitor. After so long it just needs to be unplugged from power. Didn't think a monitor would prevent post but here we are. Try a different monitor and see if you can boot first. I was getting the same error codes as well.

April 21, 2026 - Official ASUS Documentation For Q-Code · Welcome to the Troubleshooting Guide, your go-to resource for finding solutions to common problems. Whether you’re dealing with hardware issues, software glitches, or connectivity problems, this guide is designed to help you identify and fix the most frequent issues you might encounter.

April 7, 2024 - 3 days later im here, with 77 q-code and red led · i also tried to update de bios · clear cmos · and change the gpu slot to the motherboard · i will try today the 2 links you send me with your reply · thanks for your reply! 1 Kudo · Reply · Adan · Level 9 · In response to Jiaszzz_ROG · Options · Mark as New · Bookmark · Subscribe · Mute · Subscribe to RSS Feed · Permalink · Print · ‎02-27-2024 08:50 AM ·

June 15, 2023 - However, we strongly advise conducting ... on the QVL and installing them in the corresponding slots mentioned in the user manual. ... ROG Flow X16 (GV601RW) + XG Mobile RX 6850M XT = Code 43 despite detection, fan response etc in Gaming Notebooks 3 weeks ago · ROG Strix B550-F Gaming WiFi 2 won't install wifi or audio drivers. in Gaming Motherboards 04-08-2026 · Persistent CPU/Bus Errors on 4x ROG STRIX B660-I – Identical Failure across different batches/CPUs in Gaming Motherboards 03-27-2...