MoboDocsFind the cause.
Know the next step.
Motherboard troubleshooting with exact models, documented limits and original sources. 22 guides to help you check one thing at a time.
What is happening?
Choose a problem area, then check the guide's model and scope.
No display & memory
Diagnose persistent debug LEDs, missing display output and slow DDR5 training with model-specific motherboard guides.
Explore solutions → 3 guidesBIOS updates & recovery
Check exact firmware files, USB preparation and FlashBack procedures, plus CPU support requirements before changing motherboard BIOS.
Explore solutions → 8 guidesM.2, SATA & PCIe
Resolve model-specific storage and expansion conflicts: SATA-only M.2 sockets, shared ports, disabled PCIe slots and CPU lane limits.
Explore solutions → 4 guidesNetwork & audio
Identify revision-specific wireless modules, missing onboard Wi-Fi hardware and front-audio connections before selecting motherboard drivers.
Explore solutions → 5 guidesSetup, security & wiring
Identify your board, connect case switches, check Secure Boot prerequisites and prepare firmware virtualization for WSL2.
Explore solutions →All troubleshooting & setup guides
22 guides
Enable virtualization in ASUS AMD BIOS
Find SVM Mode, save your changes, and check virtualization in Windows.
Get your PC ready for WSL2
A practical checklist for firmware virtualization, Windows features, and error 0x80370102.
Secure Boot: check before you change
Understand UEFI mode, recovery keys, and the difference between enabled and active.
Will an M.2 SSD disable another port?
Read slot-sharing notes before adding an SSD or expansion card.
Connect your case’s front-panel cables
Identify the power switch, reset switch, and indicator LEDs using the correct header map.
Where to download motherboard drivers
Find chipset, network and audio drivers for the exact board and operating system, including a plan for a PC without internet.
How to find your motherboard model and revision
Read the board identity in Windows, then distinguish the product name, hardware revision and BIOS version.
Will this CPU work? Check the board and BIOS together
A matching socket is only the first check. Read the exact CPU support entry and required BIOS before replacing a processor.
MSI B550M PRO-VDH WIFI: Flash BIOS Button not working
Check MSI.ROM, FAT32, the dedicated USB port and power connections when Flash BIOS will not start on the B550M PRO-VDH WIFI.
MSI MAG B550 TOMAHAWK: no display and EZ Debug LEDs
Separate monitor and graphics connections from CPU, DRAM, VGA and boot-device detection on the MSI MAG B550 TOMAHAWK.
MSI B450M MORTAR MAX: PCI_E4 stops working after M.2
Why an SSD in M2_2 disables PCI_E4 on the B450M MORTAR MAX, and how to plan storage and expansion cards around that limit.
MSI PRO B650M-A WIFI: M2_2 missing with Ryzen 8500G
Check the CPU-dependent M2_2 restriction on the PRO B650M-A WIFI before replacing an SSD or changing BIOS storage settings.
ASUS PRIME B450M-A II: SATA 5/6 missing after M.2
Restore a SATA drive that disappears after installing M.2 on the PRIME B450M-A II by checking the shared SATA6G_5 and SATA6G_6 ports.
ASUS TUF B650-PLUS WIFI: PCIEX16_2 disabled by M.2_3
Find out why a capture, network or expansion card disappears when M.2_3 is populated on the TUF GAMING B650-PLUS WIFI.
ASUS TUF B650-PLUS WIFI: BIOS FlashBack solid light
Check the USB format, renamed BIOS file and dedicated FlashBack port when an ASUS TUF B650-PLUS WIFI update does not start.
ASRock B450M Pro4: NVMe SSD not detected in M2_2
Check the original B450M Pro4 SATA-only M2_2 socket and SATA3_3 sharing before replacing an undetected NVMe or SATA M.2 SSD.
ASRock B550M Pro4: M2_2 or SATA 5/6 disappears
Understand M2_2 sharing with SATA3_5 and SATA3_6 on the B550M Pro4, including why the second M.2 slot has a lower PCIe link.
ASRock B650M Pro RS WiFi: DRAM light and slow first boot
Distinguish normal DDR5 training from a persistent startup problem on B650M Pro RS WiFi using ASRock’s first-boot guidance.
ASRock B760M-HDV/M.2 D4: why SATA3_3 is disabled
A SATA-type M.2 drive in M2_2 disables SATA3_3 on B760M-HDV/M.2 D4. Check the interface before moving drives or changing settings.
Gigabyte B650 EAGLE AX: which Wi-Fi driver fits your revision?
B650 EAGLE AX rev. 1.0 and 1.1 use different wireless modules. Match Realtek or Intel drivers to the PCB before installing.
Gigabyte B760M DS3H DDR4: why there is no Wi-Fi adapter
The B760M DS3H DDR4 without an AX suffix has wired networking. Check the exact model before searching for an onboard Wi-Fi driver.
MSI B550M PRO-VDH WIFI: front headphone jack not working
Compare rear and front audio, check JAUD1 and the case HD AUDIO lead, and use the correct audio driver on B550M PRO-VDH WIFI.