F5F Stay Refreshed Hardware Desktop The PC starts up only after resetting the CMOS memory – it fails to power on under any other conditions.

The PC starts up only after resetting the CMOS memory – it fails to power on under any other conditions.

The PC starts up only after resetting the CMOS memory – it fails to power on under any other conditions.

T
thehappy84
Senior Member
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594
12-17-2023, 02:13 AM
#1
Hey everyone,
I'm facing a peculiar problem with my desktop PC. Whenever I power it off completely, it won’t restart unless I clear the CMOS using the jumper. If I press the power button without clearing the BIOS, nothing happens—no fans, no lights, it’s fully dead. After clearing the CMOS and trying to turn it back on, everything functions perfectly: it POSTs, boots into Windows smoothly, and I can handle gaming, editing, and heavy tasks without any trouble. It runs stably while active. But when I shut it down, the cycle repeats—clearing the CMOS is necessary to get it to boot again.

What I’ve tried so far:
- Replacing the CMOS battery
- Checking all power cables and connections
- Resetting BIOS settings to defaults
- Updating BIOS to the latest version

Details:
CPU: Ryzen 7 7800X3D
GPU: GIGABYTE GeForce RTX 5070 AERO OC 12G
Motherboard: MOBO GIGABYTE B850M AORUS Elite WIFI6E ICE
RAM: KLEVV CRAS V DDR5 32GB 6400MHz CL32
Power Supply: ROG Loki SFX-L 850W Platinum White Edition
Storage: PNY CS2150 1TB Gen5 PCIe NVMe M.2

Any suggestions on what might be wrong? Is my motherboard failing? I’d really appreciate your advice or recommendations.
Thanks in advance!
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T
thehappy84
12-17-2023, 02:13 AM #1

Hey everyone,
I'm facing a peculiar problem with my desktop PC. Whenever I power it off completely, it won’t restart unless I clear the CMOS using the jumper. If I press the power button without clearing the BIOS, nothing happens—no fans, no lights, it’s fully dead. After clearing the CMOS and trying to turn it back on, everything functions perfectly: it POSTs, boots into Windows smoothly, and I can handle gaming, editing, and heavy tasks without any trouble. It runs stably while active. But when I shut it down, the cycle repeats—clearing the CMOS is necessary to get it to boot again.

What I’ve tried so far:
- Replacing the CMOS battery
- Checking all power cables and connections
- Resetting BIOS settings to defaults
- Updating BIOS to the latest version

Details:
CPU: Ryzen 7 7800X3D
GPU: GIGABYTE GeForce RTX 5070 AERO OC 12G
Motherboard: MOBO GIGABYTE B850M AORUS Elite WIFI6E ICE
RAM: KLEVV CRAS V DDR5 32GB 6400MHz CL32
Power Supply: ROG Loki SFX-L 850W Platinum White Edition
Storage: PNY CS2150 1TB Gen5 PCIe NVMe M.2

Any suggestions on what might be wrong? Is my motherboard failing? I’d really appreciate your advice or recommendations.
Thanks in advance!

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G
guguis_3000
Member
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145
12-17-2023, 09:14 AM
#2
Updating BIOS to the newest release
+
MOBO: GIGABYTE B850M AORUS Elite WIFI6E ICE
For clarity, please mention the BIOS version of your motherboard at this moment.
When I turn on the power without resetting the BIOS, nothing occurs—no fans, no indicators, fully inactive.
If you need to physically interact with the system before it shows any response, it may suggest a grounding problem. Do you experience a slight tingling when touching the metal part of your case while your feet are on a tiled floor?
Moved thread from Motherboards to Systems.
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G
guguis_3000
12-17-2023, 09:14 AM #2

Updating BIOS to the newest release
+
MOBO: GIGABYTE B850M AORUS Elite WIFI6E ICE
For clarity, please mention the BIOS version of your motherboard at this moment.
When I turn on the power without resetting the BIOS, nothing occurs—no fans, no indicators, fully inactive.
If you need to physically interact with the system before it shows any response, it may suggest a grounding problem. Do you experience a slight tingling when touching the metal part of your case while your feet are on a tiled floor?
Moved thread from Motherboards to Systems.

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C
coyote888
Posting Freak
Find
838
12-17-2023, 11:02 AM
#3
I don't notice any indication of grounding.
The latest BIOS version is F4a (current update).
You can view more details here: https://www.gigabyte.com/Motherboard/B85...support#dl
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C
coyote888
12-17-2023, 11:02 AM #3

I don't notice any indication of grounding.
The latest BIOS version is F4a (current update).
You can view more details here: https://www.gigabyte.com/Motherboard/B85...support#dl

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