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3900X at 85 degrees in Bios

Brizzles

Brizzles

Brizzles

Man of Honour
Joined
16 Mar 2005
Posts
8,095
Location
Clevedon , Bristol
As title, new build and having issues.
CPU shows 85 degrees in Bios and can't confirm its correct as pC does a hard power down after about 20 seconds in Windows.

Is that temp anywhere near normal or a dodgy cpU ?

Cooling is a Corsair h150 triple aio
 
Similar high temps were noted on the stock wraith cooler 85+ dgrees

The pump on the aio is working (slight buzzing and the lights are on)
 
H4i3evMXt14LJDsy9


No the film is not on
Tried both Corsair and wraith, best I got was high 70s at bios
Reseated both twice
Currently all set up on a box after removing from case
1stick of ram

Gets to Windows after clean new install to nvme, then the systems just hard powers down, no blue screen
 
AStaley said:
As others have said those temps don't sound right, even at max load mine won't go over 75c with a moderate fan curve on the cooler. When fitting the pump etc did you change/fit the correct stand offs for the AM4 socket?
Click to expand...

No standoffs for am4, the mounting hardware clips onto the plastic brackets already on mobo
 
alex h said:
What did you get 70s with amd cooler or the corsair
Click to expand...
79 degrees with wraith in Bios
Testing on mobo box so aio is still in case

Just tried another clean install of Windows to an SSD, to rule out nvme issues, but exactly the same result, Windows installs then hard power down after 30seconds
 
Tetras said:
I'm confused how it would manage to install Windows and then cut out booting into Windows. Wouldn't it get just as hot installing Windows as booting it?
Click to expand...
Yep, that's the puzzle , goes through install process then powers down after 30seconds on both a clean SSD and nvme instal l
 
Tetras said:
It makes me wonder if this reading is just a red herring and it's actually not powering down because of thermals, unless the BIOS gives you some message about it when you power up again.
Click to expand...
Nothing in bios to indicate a thermal warning was triggered

Have used 2 PSUs as well in my testing
 
Thanks all for the suggestions and semi confirm ing that I was not going mad.

I can normally troubleshoot most things, but this one is a pita.

Have a new cpU coming thurs which will hopefully cure it
 
CuriousTomCat said:
First, remove your nvme drive. It's silly to boot into Windows with such a serious overheating issue. You're temperatuere is over double what it should be and needs to be sorted.

How much thermal paste are you using? Are you definitely attaching your cooler properly so it sits perfectly flat and level? I find it's best to screw opposite corners half a turn, then the other two opposite corners half a turn, and so on, until all four screws are fully home. So the heat sink has an even pressure on the CPU.

If the CPU is reaching over 70°, you should be able to feel the heat by touching the underside of the motherboard where the CPU is located. Then feel the cooler. If the CPU is hot but the cooler is cold, then the issue is caused by a lack of heat transfer between the CPU and cooler. However, if both the CPU and cooler are hot, then the issue is with your cooling solution. Lastly, if the CPU actually feels cool, then there's a sensor issue.
Click to expand...
 
Sorry for double quote, on my phone now.

Yes, very good advise and thx again.

I will add that I,m not new to pc building and have been doing it and water-cooling,for many many years.

I,ve hit this build with 2 coolers,2 different PSUs, numours clean boots on SSD and nvme with the same outcome _ 30 seconds in Windows and then total power down.

Surface contact on all mounts has been ok, within the degree of not being anything that would cause concern.

I,ve seen bad mounts and over apply and am happy that I have that covered ( no pun).

Thx again
 
Mcnumpty2323 said:
Faulty cpu would be my last
In the list
Faulty mounting etc would be top
Followed by motherboard
If op was near me would have let
Them test it in my pc
Hopefully your replacement works
Though like I said cpu
Wouldn't be my first suspect

Guess you can update us Thursday
Click to expand...

Thx numpty, yep I,m confused on this one.

Gonna have to start ruling out components.

Going with the cpU first as I have mounted many chips over the years and recognise a bad mount.

2 Nd will have to be the mobo, but 1 step at a time
 
koooowweeee said:
Are you getting another at the same price? Hopefully the second is good if they send you another open box/no box[/QUOT
Click to expand...

Once bitten.....

New this time, whilst £ 70 is a good saving, I,m getting too old to mess around with troubleshooting.

should have gone new from start, but old habits die hard.

Not meaning to sound arrogant to towards money,but without a first time install with no down time the saving is wasted .

There are good savings to be made on open box/b,grade
 
Last edited:
Just to conclude, new chip turned up today.

Test fitted with stock cooler, 35 degrees @ 1.4something in bios.

must have been a faulty thermal sensor, which would also explain no temp drops between the stock wraith cooler and the 360 Aio.

Thanks for all your help
 
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