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CPU usage hitting 100% on desktop

Tucks45

Just finished building a new Ryzen PC and tried installing Linux 18.04 however I received constant error messages and crashes. Apparently it was a known issue and installed an older version I had lying around (16.04). The install went smoothly but now sitting on the desktop at least one core is always hitting 80 - 100%. 

I'm preparing a windows install now to check its not a software issue but I want to know if it could be hardware compatibility. 

 

My Specs: 

CPU: Ryzen 3 2200G

Mobo: ASRock B450 Pro

RAM: Corsair Vengence LPX CMK16GX4M2B3000C15 (initially run at 3000Mhz but then stock) 

PSU: EVGA GD 550W 80 Plus Gold 

Boot Drive: Samsung 970 Evo Plus 250Gb NVME

No graphics card

 

It seems my RAM isn't on the supported list from ASRock - is this what would cause the cpu usage?

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Supported RAM lists are just the ones the manufacturer tested themselves. If it follows the DDR4 spec, and Corsair definitely does, it will work just fine no matter who made it. Are you able to run top to see what process is causing the CPU usage?

¯\_(ツ)_/¯

 

 

Desktop:

Intel Core i7-11700K | Noctua NH-D15S chromax.black | ASUS ROG Strix Z590-E Gaming WiFi  | 32 GB G.SKILL TridentZ 3200 MHz | ASUS TUF Gaming RTX 3080 | 1TB Samsung 980 Pro M.2 PCIe 4.0 SSD | 2TB WD Blue M.2 SATA SSD | Seasonic Focus GX-850 Fractal Design Meshify C Windows 10 Pro

 

Laptop:

HP Omen 15 | AMD Ryzen 7 5800H | 16 GB 3200 MHz | Nvidia RTX 3060 | 1 TB WD Black PCIe 3.0 SSD | 512 GB Micron PCIe 3.0 SSD | Windows 11

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Alright, so that shouldn't be the problem, hopefully :). I'll attach some pictures of the Ubuntu System monitor with cpu usage listed largest first, which shows up nada. There does seem to be quite a few processes running for a fresh install but I'm not a linux master so they make less sense to me than windows. 

 

A bit of reading suggests it may be an issue with my BIOS version and Linux Kernel compatability - both I find scary, so would windows be a better bet?

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