My PC was working perfectly until I did an “Update and Shutdown” in Windows. When I came back, it wouldn’t power on at all. Since then, I’ve replaced multiple components, but the issue persists.
Original Specs (Before Failure):
• CPU: Intel Core i7-13700KF
• Motherboard: ASRock Z790-C
• RAM: Corsair Vengeance 64GB DDR5 6400MHz C32
• GPU: GeForce RTX 4060
• Storage: 2TB NVMe M.2
• Cooler: Thermaltake AIO Liquid Cooler
• PSU: CORSAIR - RMe Series RM850e 80 PLUS Gold Fully Modular Low-Noise ATX 3.0 and PCIE 5.0 Power Supply
New Specs After Replacements:
• GPU: RTX 4060 (2 months old)
• Motherboard: Gigabyte Z790 AORUS ELITE AX rev 1.1 (new)
Gigabyte Support Page
• PSU: Thermaltake Toughpower GF A3 1050W (new)
• CPU: Intel Core i5-12600KF (new)
• RAM:
• Corsair Vengeance 64GB (2x16GB) DDR5 6400MHz C32 (purchased late last year)
• Also tested: Thermaltake 32GB DDR5 5600MHz (original kit; 1 stick failed, replaced with 64GB kit)
• New: Corsair Vengeance 32GB (2x16GB) DDR5 6400MHz C36 (AMD EXPO, Intel XMP-compatible)
• Storage: Same SSD as before
• Cooler: Cooler Master Hyper 212 (new)
What I’ve Replaced:
✔ PSU – Replaced, still no power
✔ Motherboard – Replaced, no change
✔ RAM – Tested multiple kits, issue persists
✔ CPU Cooler – Replaced, still no boot
✔ CPU – Replaced i7-13700KF with i5-12600KF, no change
(parts are temporary just until I figure out what the issue is)
Current Symptoms:
With Thermaltake 5600MHz RAM (1 Stick in DDR5_A2 Slot):
• PC powers on, all fans (CPU, case, GPU) spin.
• MOBO CPU LED turns on briefly, then switches to DRAM LED and stays on.
• RAM LED turns on, but CPU cooler LED stays off.
• No display (tried HDMI & DP to 1440p 244Hz monitor).
• Keyboard LEDs turn on, but system remains unresponsive.
• System stays in this state indefinitely until manually powered off.
With either Corsair RAM (or multiple sticks installed):
• Same boot sequence (CPU LED → DRAM LED).
• After ~30 seconds, CPU cooler LED + case fan LEDs turn on, then system shuts off.
• Still no display, no BIOS access.
What I’ve Tried:
✅ Cleared CMOS multiple times (battery removed, power drained, CMOS clear button used).
✅ Updated BIOS using Q-Flash Plus with the latest firmware.
✅ Tested different RAM kits (5600MHz & 6400MHz), tried single-stick configs in recommended slots.
✅ Checked all power connections, reseated GPU, RAM, and CPU.
What I Haven’t Done Yet:
⏳ Tested a DDR5 4800MT/s stick (don’t have one available).
⏳ Breadboarded the system outside the case (did this with the old motherboard, same issue).
Final Thoughts & Questions:
I’ve been troubleshooting this for days and I’m completely out of ideas. Could Windows’ “Update and Shutdown” have corrupted something critical? Could this be a BIOS/memory compatibility issue even after updating firmware?
Any help is greatly appreciated!
(I typed a messy paragraph and asked chatgpt to clean it up)
Photos:
View: https://imgur.com/a/oqXUalj
Original Specs (Before Failure):
• CPU: Intel Core i7-13700KF
• Motherboard: ASRock Z790-C
• RAM: Corsair Vengeance 64GB DDR5 6400MHz C32
• GPU: GeForce RTX 4060
• Storage: 2TB NVMe M.2
• Cooler: Thermaltake AIO Liquid Cooler
• PSU: CORSAIR - RMe Series RM850e 80 PLUS Gold Fully Modular Low-Noise ATX 3.0 and PCIE 5.0 Power Supply
New Specs After Replacements:
• GPU: RTX 4060 (2 months old)
• Motherboard: Gigabyte Z790 AORUS ELITE AX rev 1.1 (new)
Gigabyte Support Page
• PSU: Thermaltake Toughpower GF A3 1050W (new)
• CPU: Intel Core i5-12600KF (new)
• RAM:
• Corsair Vengeance 64GB (2x16GB) DDR5 6400MHz C32 (purchased late last year)
• Also tested: Thermaltake 32GB DDR5 5600MHz (original kit; 1 stick failed, replaced with 64GB kit)
• New: Corsair Vengeance 32GB (2x16GB) DDR5 6400MHz C36 (AMD EXPO, Intel XMP-compatible)
• Storage: Same SSD as before
• Cooler: Cooler Master Hyper 212 (new)
What I’ve Replaced:
✔ PSU – Replaced, still no power
✔ Motherboard – Replaced, no change
✔ RAM – Tested multiple kits, issue persists
✔ CPU Cooler – Replaced, still no boot
✔ CPU – Replaced i7-13700KF with i5-12600KF, no change
(parts are temporary just until I figure out what the issue is)
Current Symptoms:
With Thermaltake 5600MHz RAM (1 Stick in DDR5_A2 Slot):
• PC powers on, all fans (CPU, case, GPU) spin.
• MOBO CPU LED turns on briefly, then switches to DRAM LED and stays on.
• RAM LED turns on, but CPU cooler LED stays off.
• No display (tried HDMI & DP to 1440p 244Hz monitor).
• Keyboard LEDs turn on, but system remains unresponsive.
• System stays in this state indefinitely until manually powered off.
With either Corsair RAM (or multiple sticks installed):
• Same boot sequence (CPU LED → DRAM LED).
• After ~30 seconds, CPU cooler LED + case fan LEDs turn on, then system shuts off.
• Still no display, no BIOS access.
What I’ve Tried:
✅ Cleared CMOS multiple times (battery removed, power drained, CMOS clear button used).
✅ Updated BIOS using Q-Flash Plus with the latest firmware.
✅ Tested different RAM kits (5600MHz & 6400MHz), tried single-stick configs in recommended slots.
✅ Checked all power connections, reseated GPU, RAM, and CPU.
What I Haven’t Done Yet:
⏳ Tested a DDR5 4800MT/s stick (don’t have one available).
⏳ Breadboarded the system outside the case (did this with the old motherboard, same issue).
Final Thoughts & Questions:
I’ve been troubleshooting this for days and I’m completely out of ideas. Could Windows’ “Update and Shutdown” have corrupted something critical? Could this be a BIOS/memory compatibility issue even after updating firmware?
Any help is greatly appreciated!
(I typed a messy paragraph and asked chatgpt to clean it up)
Photos:
View: https://imgur.com/a/oqXUalj
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