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ASUS ROG Crosshair Hero VIII showing strange down throttling behavior

waynerb64
Level 7
I have a Crosshair VIII with a 3800X that has been flawless for years. Recently it has started showing a very strange behavior where the entire system slows to a crawl like the CPU is pinned (which it's not) or it's over heated (which it's not). Games slow to horrible frame rates and my network speed drops from 360 Mbps down to 50 Mbps or so.

Reboot does NOT solve the issue, only complete shutdown does. It's been happening about once a week for a couple weeks now. Any ideas what I should look for? No idea what to even Google for.

Running Win 10, and I did apply updates a couple weeks ago but it doesn't seem like windows could cause something like this, seems like something on the MB gets tweaked somehow.

Bios file: ROG-CROSSHAIR-VIII-HERO-ASUS-4201 which has been running fine for 5 months
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4 REPLIES 4

Retired
Not applicable
Bios is outdated, can try updating to most recent which till they roll out a new one which will probably be 4601... Current version is 4402. Have you tried disabling power throttling? System specs would help...

https://rog.asus.com/us/motherboards/rog-crosshair/rog-crosshair-viii-hero-model/helpdesk_bios/

J Bish wrote:
Bios is outdated, can try updating to most recent which till they roll out a new one which will probably be 4601... Current version is 4402. Have you tried disabling power throttling? System specs would help...

https://rog.asus.com/us/motherboards/rog-crosshair/rog-crosshair-viii-hero-model/helpdesk_bios/


How do I disable power throttling? Is that a bios setting? What would cause it to throttle and get stuck that way?

The bios was fine for 4 of the last 5 months so I don't think throwing another variable in the mix at this point will help unless you are aware of a change to Windows that requires an upgrade to the bios.

In Windows my minimum processor state is 5% and the max is 100% with the cooling policy set to Active.

Not sure what you want for system specs, the MB and CPU are mentioned, I have a Strix 3070 and 4x8G of RAM running at 3600. Two NVMe drives and a couple of SATA drives.

Retired
Not applicable
System specs helps to try to help you by knowing components in the system... Could be a multitude of things... Could be psu,could be video, could be cpu, could be motherboard... In other words the more info given the better off it is to get help...

Power throttling for windows 10

https://www.windowscentral.com/how-manage-power-throttling-windows-10

Also some of this behaviour has been attributed to nvidia drivers...

https://www.nvidia.com/en-us/geforce/forums/geforce-graphics-cards/5/406490/rtx-3070-issues-some-sor...

waynerb64 wrote:
How do I disable power throttling? Is that a bios setting? What would cause it to throttle and get stuck that way?

The bios was fine for 4 of the last 5 months so I don't think throwing another variable in the mix at this point will help unless you are aware of a change to Windows that requires an upgrade to the bios.

In Windows my minimum processor state is 5% and the max is 100% with the cooling policy set to Active.

Not sure what you want for system specs, the MB and CPU are mentioned, I have a Strix 3070 and 4x8G of RAM running at 3600. Two NVMe drives and a couple of SATA drives.

kelynn15
Level 8

What error does Windows show once you get booted back up?

Look in Windows Event Viewer.