Troubleshooting

Introduction

This chapter gives structured checks for common build, boot, BIOS, Windows, driver, temperature, and performance problems.

Purpose

Diagnose one fault at a time without randomly changing settings or disassembling working parts.

Estimated Time

15 minutes to several hours depending on the fault.

Difficulty

Moderate.

Required Tools

Motherboard manual.
Flashlight.
Spare USB drive if BIOS recovery is needed.
Phone or laptop for support pages.
Notes file for recording symptoms and changes.

Warnings

Change one variable at a time.
Switch off and unplug the PSU before reseating hardware.
Do not clear CMOS repeatedly without recording what changed.
Do not keep power-cycling if there is a burning smell, smoke, liquid, or visible damage.
Do not assume a failed boot is a failed component until basic power and seating checks are complete.

Step-by-Step Instructions

Record the exact symptom.
Record what changed immediately before the symptom appeared.
Check motherboard debug LEDs or codes if available.
Check external basics: wall power, PSU switch, monitor input, display cable, keyboard, and USB installer.
Check internal power:
- 24-pin ATX seated.
- CPU EPS seated.
- GPU PCIe power seated.
- Front-panel power switch connected.
Check seating:
- RAM fully latched in A2 and B2.
- GPU fully latched in primary PCIe slot.
- SSD secured in M.2 slot.
Return BIOS to optimized defaults if the fault began after settings changes.
Disable EXPO if the fault is memory-training or boot-loop related.
Boot with minimum required hardware if needed: CPU, cooler, one RAM module, GPU, SSD, keyboard, and display.
Reintroduce hardware or settings one at a time.

Decision Trees

Use these decision trees to isolate common faults. They are intentionally conservative: power down and unplug the PSU before reseating internal hardware.

No Power

flowchart TD
    A["No power when case button is pressed"] --> B{"Any PSU or motherboard signs of power?"}
    B -->|No| C["Check wall socket, power strip, PSU switch, and IEC cable"]
    C --> D{"Power available at PSU?"}
    D -->|No| E["Change socket or cable before continuing"]
    D -->|Yes| F["Switch off and unplug PSU"]
    B -->|Yes| F
    F --> G["Check 24-pin ATX and CPU EPS seating"]
    G --> H["Check F_PANEL power switch on PW pins"]
    H --> I{"Starts from case button?"}
    I -->|Yes| J["Record fix and continue first boot"]
    I -->|No| K["Test onboard power button if available"]
    K --> L{"Starts from onboard button?"}
    L -->|Yes| M["Recheck case switch cable and F_PANEL placement"]
    L -->|No| N["Stop and inspect PSU, motherboard, or short risk"]

Source: troubleshooting-no-power.mmd

Powers On, No Display

flowchart TD
    A["System powers on but no display"] --> B["Wait for DDR5 memory training"]
    B --> C{"Display appears after training?"}
    C -->|Yes| D["Enter BIOS and record first boot status"]
    C -->|No| E["Confirm monitor input and cable"]
    E --> F["Move display cable to GPU output"]
    F --> G["Check GPU seating and PCIe 8-pin power"]
    G --> H{"VGA debug LED active?"}
    H -->|Yes| I["Reseat GPU after powering down and unplugging PSU"]
    H -->|No| J["Check DRAM debug LED and memory seating"]
    J --> K["Boot with one DIMM in DDR5_A2 if needed"]
    K --> L{"Display appears?"}
    L -->|Yes| M["Reinstall second DIMM in DDR5_B2 and retest"]
    L -->|No| N["Return BIOS to defaults or clear CMOS once, then retest"]

Source: troubleshooting-no-display.mmd

High Temperature

flowchart TD
    A["CPU or GPU temperature is higher than expected"] --> B["Stop load test and record temperature, workload, and fan speeds"]
    B --> C{"CPU temperature issue?"}
    C -->|Yes| D["Check AIO pump and radiator fan readings in BIOS or HWInfo"]
    D --> E["Confirm cold-plate film was removed and block is evenly mounted"]
    E --> F["Confirm top radiator fans exhaust and cables clear blades"]
    C -->|No| G["Check GPU fan speed, bottom intake fans, and GPU power cable clearance"]
    G --> H["Confirm case panels and filters are not blocking airflow"]
    F --> I{"Temperature returns to expected range?"}
    H --> I
    I -->|Yes| J["Record fix and new baseline"]
    I -->|No| K["Recheck fan curves, dust, ambient temperature, and mount quality"]

Source: troubleshooting-high-temperature.mmd

Windows, Driver, Or Game Fault

flowchart TD
    A["Windows, device, driver, or game stability fault"] --> B["Record symptom, error text, and last change"]
    B --> C{"Device Manager shows unknown or failed device?"}
    C -->|Yes| D["Install or reinstall chipset, network, audio, then GPU driver from official sources"]
    C -->|No| E{"Fault started after driver update?"}
    E -->|Yes| F["Roll back or clean reinstall the affected driver"]
    E -->|No| G{"Fault started after EXPO or BIOS change?"}
    G -->|Yes| H["Return BIOS to defaults and retest before re-enabling EXPO"]
    G -->|No| I["Check Windows Update, game files, temperatures, and event logs"]
    D --> J["Reboot and retest one change at a time"]
    F --> J
    H --> J
    I --> J
    J --> K{"Fault resolved?"}
    K -->|Yes| L["Record driver or setting version"]
    K -->|No| M["Escalate with recorded symptoms and versions"]

Source: troubleshooting-windows-driver.mmd

Common Faults

Symptom	Likely area	First checks
No power	PSU, front-panel connector, wall power	PSU switch, wall socket, 24-pin, front-panel power switch pins.
Powers on, no display	GPU, memory training, monitor path	Display cable in GPU, GPU power, wait for DDR5 training, RAM seating.
Boot loop after EXPO	Memory profile	Clear CMOS, boot defaults, confirm the locked RAM kit and slots.
SSD missing	M.2 installation	Slot seating, M.2 latch/screw, BIOS storage page.
High CPU temperature	Cooler	Pump/fan header, cold-plate film, mounting pressure, radiator fans.
Front USB not working	Front-panel cable	USB header seating, bent pins, Windows driver status.
GPU driver crash	GPU driver or power	AMD driver version, PCIe power cable, Windows Update, default GPU tuning.
Random restart under load	Power, temperature, driver, or memory stability	Check temperatures, PSU/GPU power seating, Event Viewer, and EXPO stability.
Front audio missing	Header or Windows audio device	Confirm `F_AUDIO` seating, Realtek driver state, and selected output device.
Network missing after Windows install	Driver or adapter state	Install official motherboard network driver, then Windows Update.

Operational Faults

Symptom	Possible causes	Diagnostic tools	Investigation sequence	Likely resolutions
Higher temperatures than expected	Dust, blocked filters, fan curve change, pump/fan issue, ambient temperature, driver workload.	HWiNFO64, FanControl, BIOS fan page, Samsung Magician.	Compare with baseline, check workload, inspect filters, confirm fans/pump, review recent changes.	Clean filters, restore fan profile, fix cable obstruction, remount cooler only after simpler checks.
Unexpected fan noise	Cable contact, bearing noise, aggressive curve, fan resonance, loose panel/filter.	Physical inspection, FanControl manual test.	Identify fan group, test one group at a time, inspect cables and panels.	Re-route cable, adjust curve hysteresis, tighten panel, replace faulty fan.
Slow boot	BIOS memory training, USB device delay, Windows startup apps, storage issue, pending updates.	BIOS boot page, Task Manager Startup, Event Viewer.	Record boot phase, unplug nonessential USB devices, check startup apps, review BIOS changes.	Reduce startup apps, update only relevant drivers, review EXPO stability.
Windows instability	Driver issue, memory instability, Windows update, storage fault, overheating.	Event Viewer, Reliability Monitor, HWiNFO64, MemTest86, OCCT.	Record stop code or app fault, check last update, return tuning to default, test memory.	Roll back recent update, disable unstable EXPO, reinstall official driver, restore point.
Driver problems	Wrong source, failed install, Windows replacement driver, corrupted GPU driver.	Device Manager, AMD Adrenalin, installer logs.	Check device state, reinstall official package, avoid third-party updater, use DDU only if normal cleanup fails.	Clean reinstall official driver, block repeated bad optional update if needed.
Game crashes	GPU driver, unstable memory, overlay conflict, game files, temperature, power.	AMD Adrenalin, Event Viewer, game launcher verify, HWiNFO64.	Disable overlays, verify game files, check temperatures, test default GPU and EXPO state.	Update or roll back GPU driver, repair game files, reduce unstable settings.
SSD health warning	Firmware issue, high temperature, media errors, low spare, cable/slot issue for future drives.	Samsung Magician, CrystalDiskInfo, Event Viewer.	Back up immediately, capture SMART/health, check temperature, review firmware notes.	Replace drive if health is degraded; update firmware only after backup.
Memory instability	EXPO instability, mixed kit, wrong slots, BIOS version, faulty DIMM.	MemTest86, BIOS, Event Viewer WHEA logs.	Disable EXPO, test one DIMM in A2, test matched kit, review QVL and BIOS.	Use stable profile, update BIOS for memory fix, replace faulty kit.
Unexpected shutdowns	PSU/power, thermal protection, driver crash, memory fault, wall power.	Event Viewer, HWiNFO64 logs, OCCT targeted tests.	Check event timing, inspect power cables, monitor temperatures, test without overclock/tuning.	Reseat power cables, restore defaults, isolate PSU/GPU/memory only after logs support it.

Verification Checklist

Symptom and last change are recorded.
Power cables are checked.
RAM and GPU seating are checked.
BIOS defaults are tested if settings changed.
EXPO is disabled during memory fault isolation.
Only one change is tested at a time.
Final fix is recorded.
Recent software, driver, firmware, and hardware changes are recorded.
Baseline comparison is used for temperature, fan, and benchmark faults.

Common Mistakes

Changing BIOS, drivers, and cables at the same time.
Reseating the CPU before checking power cables.
Forgetting that first DDR5 training can take time.
Blaming Windows before checking Device Manager.
Leaving the successful fix undocumented.

Expected Result

Faults are isolated methodically, corrected, and documented without introducing additional uncertainty.

Sources Reviewed

Next Chapter

Continue to Upgrade Planning.