Gigabyte Motherboard Error Codes (Debug LED)- Fixed

gigabyte motherboard error codes

The most common gigabyte Q-codes are AB, 27, 70, D0, 03, and DB. Unfortunately, the manufacturers of Gigabyte motherboards do not have a dedicated website where they share information on all error codes (unlike Asus and other motherboard brands’ websites).

I have done deeper research on the common Q-codes on Gigabyte motherboards and have shared their meanings in this article.

You will also learn about troubleshooting tips; Gigabyte debug LED codes, common problems with Gigabyte motherboards, and their one-stop fixes.

Most Common Gigabyte Motherboard Error Codes: Meaning and Fixes

Modern high-end Gigabyte motherboards are fitted with a Q-Code (error code) display that shows certain codes throughout the booting process of the PC. The flaw of Q-codes is that there is usually nothing to explain the fault and how to fix it.

For this reason, I have put together a list of commonly encountered Q-Codes for Gigabyte motherboards, what they mean, and how to fix them.

Motherboards, what they mean, and how to fix them.

Gigabyte Error CodesMeaningCausesFixes
70 PCH DXE Initialization
A USB device connected to the motherboard usually causes this problem.
1. Consider disconnecting USB devices one at a time and rebooting between each one. 

2. This will help identify the problematic device. Once identified, plug it in after windows boots and reinstall its drivers 
AB1. Not an error code but a notification telling you to ‘Wait for user command in BIOS Setup’ 

2. Your PC may still be functional even while displaying this code.
It happens most often after a BIOS reset or update. Boot into your motherboard BIOS, and the BIOS will then notify you of what’s causing the code automatically.
03The system is waking from an S3 sleep state, but the code is ‘Unspecified’ in the Gigabyte motherboard manuals.It is a notification to let you know your system is up from an S3 sleep state, fully usable, and stable.No action is required.
27You can find the fault of this code between Q-codes 19 and 31 on the Gigabyte motherboard, which means there is a problem with the computer’s RAM.1. Improper position of RAM in the motherboard 

2. Outdated BIOS
1. Try reseating your RAM and checking that it’s installed correctly. 

2. Alternatively, consider inserting your RAM into another system to check if it works. You need to reset the CMOS or try a BIOS update if it works.
DBFlash update is failedThe BIOS Q-Flash failed to applyRe-download the BIOS update. Afterward, reformat the USB stick you intend to flash with the BIOS.
D0CPU initialization error. In other words, there is a problem with the CPU or socket.1. Damaged CPU or Socket 2. Improper position of the CPU1. Inspect and confirm the socket and CPU aren’t damaged 

2. If that doesn’t work, consider flashing your BIOS to the latest version 

3. Alternatively, you can clear the CMOS. 

Gigabyte Motherboard Debug LED Codes and Meaning

Boot CodeDescription
10PEI Core has started.
11Pre-memory CPU initialization is started.
15Pre-memory North-Bridge initialization is started.
19Pre-memory South Bridge initialization has started.
2B~2FMemory initialization.
31Memory installed.
32~36CPU PEI initialization
37~3AIOH PEI initialization
3B~3EPCH PEI initialization
60DXE Core has been started.
61NVRAM initialization.
62Installation of the PCH runtime services
63~67CPU DXE initialization has started.
68PCI host bridge initialization has started.
69IOH DXE initialization
6AIOH SMM initialization
70PCH DXE initialization
71PCH SMM initialization
72PCH device initialization
73~77PCH DXE initialization (PCH module specific).
78ACPI Core initialization
79CSM initialization has started.
7A~7Freserved for AMI use.
80~8Freserved for OEM use (OEM DXE initialization codes).
90Phase transfer to BDS (Boot Device Selection) from DXE
91issue an event to connect drivers.
 PCI Codes Descriptions
92PCI Bus initialization is started.
93PCI bus hotplug initialization
94PCI bus enumeration for detecting how many resources are requested
95Check the PCI device’s request for resources.
96Assign PCI device resources.
97Console output devices connect (ex., the monitor is lit).
98Console input devices connect (ex., PS2/USB keyboard and mouse are activated).
99Super IO initialization
9AUSB initialization has started.
9BIssues are reset during the USB initialization process.
9CDetect and install all currently connected USB devices.
9Dactivated all currently connected USB devices.
A0IDE initialization has been started.
A1Issues are reset during the IDE initialization process.
A2Detect and install all currently connected IDE devices.
A3activated all currently connected IDE devices.
A4SCSI initialization has started.
A5Issues are reset during the SCSI initialization process.
A6Detect and install all currently connected SCSI devices.
A7activated all currently connected SCSI devices.
A8Verify the password if needed.
A9BIOS Setup is started.
ABWait for the user command in BIOS Setup.
ADIssue Ready To Boot event for OS Boot.
AEBoot to Legacy OS.
AFExit Boot Services
B0Runtime AP installation begins.
B1Runtime AP installation ends.
B2legacy option ROM initializationB3system reset if needed.
B4USB devices are hot plug-ins.
B5PCI device hotplug
B6Clean-up of NVRAM
B7Reconfigure the NVRAM settings.
E0S3 Resume is started (called from DXE IPL).
E1Fill boot script data for the S3 resume.
E2Initializes VGA for S3 resume.
E3OS S3 wake vector call
F0Recovery mode will be triggered due to infected firmware volume detection.
F1The user’s decision will trigger recovery mode.
F2Recovery has started.
F3A recovery firmware image is found.
F4The recovery firmware image is loaded.
F5~F7Reserved for future AMI progress codes
50~55A memory initialization error occurs.
56Invalid CPU type or speed
57CPU mismatch.
58CPU self-test failed, or there was a possible CPU cache error.
59CPU micro-code is not found, or the micro-code update failed.
5Ainternal CPU error.
5BResetting PPI has failed.
D0CPU initialization error.
D1IOH initialization error
D2PCH initialization error.
D3Some of the architectural protocols are not available.
D4PCI resource allocation error. out of resources.
D5There is no space for Legacy Option ROM initialization.
D6No console output devices are found.
D7No console input devices were found.
D8It is an insecure password.
D9~DAcan’t load the boot option.
DBThe Flash update has failed.
DCThe reset protocol has failed.
E8S3 resume is failed.
E9S3 Resume PPI is not found.
EAThe S3 Resume Boot Script is inoperative.
EBThe S3 OS wake call has failed.
F8Recovery PPI is ineffective.
F9The recovery capsule was not found.
FAinvalid recovery capsule.

Troubleshooting Tips for Gigabyte Motherboards Error Codes

The next time your Gigabyte motherboard gives you booting problems and you see these error codes, consider the following general troubleshooting tips:

  • Inspect the BIOS/UEFI settings for accuracy.
  • Reseat the memory chips, adapters, and CPU. In the same vein, consider removing unnecessary adapters and devices.
  • Overheating contributes to a wide variety of motherboard problems. Consider powering down the computer and allowing it to cool. Then power on with the cover off.
  • Check or reset the CMOS battery.
  • Use a different power outlet and circuit to power the computer.
  • Inspect for distended capacitors in the motherboard. If you spot small components bulging on the motherboard, it’s time to replace the unit.
  • If the motherboard has an LED display, consider sticking with the error codes displayed.

Regarding Gigabyte motherboards, booting problems are probably the most challenging to troubleshoot. This is because various components factor into the motherboard, and dozens of things can be the culprit.

Sometimes, you can troubleshoot the error code that is being displayed, but nothing changes. It could mean that you have multiple error codes, which you should troubleshoot in the order they appear, or that you simply aren’t troubleshooting correctly.

Other Common Gigabyte Motherboard Problems and Fixes

It can be a rocky road to troubleshooting a malfunctioning Gigabyte motherboard, especially for someone with little or no experience with electronics repair.

I searched various popular gigabyte motherboard forums for gearheads and discovered that these issues are common. Hence, I provided tips on how to fix them:

Not enough power

When you face issues with the power supply on your motherboard, focus on replacing the power supply cables for better ones or addressing possible hardware issues like a dead RAM stick or even a faulty processor.

Either way, you will need to open the case to examine what could be the motive. If you aren’t comfortable, then take the unit to a professional.

Crashes often

Frequent crashing is another common problem with motherboards, generally. The major cause of this issue is that the motherboard is incapable of handling the voltage output of the power supply. Also, if you have too many devices plugged into the computer at once, you may experience this problem.

If all the possible fixes do not work, then the culprit should be some startup programs that need to be disabled, or you are better off with new hardware.

The computer does not turn on.

Computers not turning on after booting is a popular problem among many Gigabyte motherboard owners. The major cause of this error is a dead power supply unit.

The green light you see on the PSU’s button light is not enough of an indication that there is enough power.

Motherboard booting with no Windows display

The common cause of booting with no Windows display is the computer’s attempt to boot from an external device. In other words, if you try unplugging everything that isn’t essential and turning the computer on again, the problem will be resolved.

Of course, other factors could be at play, many of which can be solved using the troubleshooting tips shared earlier.

Wrapping up

So far, we’ve looked at how to troubleshoot some basic problems that people often experience with their Gigabyte motherboards and how they can be identified with the Q-codes.

There are just a few common Q-codes for the Gigabyte motherboard, but some system faults are not listed specifically in the manual. The best way to know the problem and its solution is to identify the fault bracket.

There are other common Gigabyte motherboard problems that I may not have touched on in this article. For more information, please see the manufacturer’s troubleshooting page here.

I hope this helped.

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