The CPU input voltage exceeds the acceptable range at 3.5V.
The CPU input voltage exceeds the acceptable range at 3.5V.
Hello guys. I am running a 4770k on an asus b85m-g non overclocked. I just upgraded my computer case, and when i put everything back together and started the pc, I got the "CPU over voltage error". I checked in the BIOS and in the first screen the CPU voltage was showing as normal. But when i checked in the advanced section of the BIOS, under the Monitor tab i see that my CPU input voltage is around 3.5V. I also checked through CPUID(CPU-z) and also in HWInfo. I dont see anything wrong in these programs. Also the CPU temperatures are very good ~30C. I am not sure if this is an actual problem or a problematic report from BIOS side. I tried to reset it to default, and reset the CMOS with the jumper as well. I even tried to set the VCCIN manually to 1.8 but still the same issue. Any ideas?
CPU input voltage should not exceed 1.95, typically around 1.9. How does HW Info display this value? Can you capture a screenshot of the reading at 3.5v? This information appears in the monitor tab in BIOS, showing an elevated voltage. The CPUID results and another HWInfo image are also provided.
Andreasch386 :
Vellinious :
CPU input voltage should stay below 1.95, typically around 1.9. How does HW Info display this value? Can you capture a screenshot of the reading at 3.5v?
The monitor tab in BIOS shows the voltage is higher than normal.
Here are the images:
https://ibb.co/mS0bta
https://ibb.co/gXEQmv
A HWInfo sensor image: https://ibb.co/nHcxYa
Another HWInfo photo: https://ibb.co/nHcxYa
HWInfo includes sensors, please take a screenshot. Everything seems fine as you mentioned.
The board would fail quickly at 3.5v input, and the CPU too. It looks like a BIOS error. Have you reached out to ASUS support?
Vellinious :
Andreasch386 :
CPU input voltage shouldn't exceed 1.95, typically around 1.9. What does HW Info display for it? Can you capture a screenshot of the reading at 3.5v?
This is the monitor tab in BIOS showing the voltage is higher than normal
https://ibb.co/mS0bta
And this is the CPUID result:
https://ibb.co/gXEQmv
A screenshot from HWInfo as well:
https://ibb.co/nHcxYa
HW Info includes sensors. Please take a screenshot of them. Everything seems fine, matching your previous notes.
The board would fail quickly at 3.5v input, and the CPU too. It must be a BIOS issue. Have you reached out to ASUS support?
What I see when using sensors only is the VCCIN voltage under the motherboard around 3.5v
https://ibb.co/cm7xYa
Andreasch386 shared similar observations, noting the CPU input voltage should stay below 1.95, typically around 1.9. They asked about the readings from HW Info and requested a screenshot of the voltage display showing 3.5v. The user provided links to monitor and CPUID images, along with a picture from HWInfo. They mentioned the board would fail at 3.5v input and suggested checking ASUS support. A screenshot was also shared but not visible at the moment.
Vellinious :
andreasch386 :
CPU input voltage shouldn't exceed 1.95, typically around 1.9. What does HW Info display for it? Can you capture a screenshot of the reading at 3.5v?
This is the monitor tab in BIOS showing the voltage is higher than normal
https://ibb.co/mS0bta
And this is the CPUID result:
https://ibb.co/gXEQmv
A screenshot from HWInfo as well:
https://ibb.co/nHcxYa
The HW Info unit has sensors. Please take a picture of it. Everything seems fine, matching your previous reports.
The board would fail quickly at 3.5v input, and the CPU too. It must be a BIOS issue. Have you reached out to ASUS support?
This is what I see when I run it with sensors only. The VCCIN voltage under the motherboard appears around 3.5v.
https://ibb.co/cm7xYa
The screenshot isn’t visible right now for some reason. I’d consider returning the board.
I’ve shared it here too:
https://imgur.com/a/Uw3hv
I’m worried about RMA since it was purchased 2-3 years ago. The interesting thing is the PC has been running smoothly for the past 24 hours with excellent temperatures.
Andreasch386 and Vellinious are discussing the CPU input voltage. They mention the recommended range is around 1.9 to 1.95, with a current reading of 3.5v. They request confirmation from HW Info about the actual value displayed. One user shares a screenshot showing the voltage at 3.5v and another image from CPUID and HWInfo. Another points out that the board would fail at this voltage and suggests contacting ASUS support. A third person notes the motherboard shows 3.5v under VCCIN and provides a link to a screenshot, while another expresses concern about the RMA process due to the unusually high reading.