[Help] i9-14900K + RX 6750 XT Crashing in Cyberpunk & OCCT – Latest BIOS, XMP On (EZ Mode), AI OC Off, BIOS Otherwise Default

Hey PC keeps crashing. I have the latest BIOS, with the settings you recommended but I still get a full system crash (completely turns off, no restart) when I run cyberpunk or OCCT testing software. Cinebench works fine.
Please Help!

CPU: Intel Core i9-14900K (24-core, 32-thread, Raptor Lake)
RAM: 32GB DDR5
Brand: G.Skill
Speed: 6000 MT/s (XMP Enabled)
GPU: AMD Radeon RX 6750 XT
Model: Powercolor Fighter RX 6750 XT
8+6-pin PCIe power (connected via two separate cables)
Motherboard: ASUS ROG Strix Z790-E Gaming WiFi
CPU Cooler: MSI MAG CoreLiquid 360R V2 (360mm AIO Liquid Cooler)
PSU: Corsair RM850x (850W, Fully Modular, 80+ Gold)
Storage:
Samsung 980 Pro 1TB NVMe SSD (PCIe Gen4, OS Drive)
Lexar NM790 NVMe SSD (PCIe Gen4, secondary storage)
Case Fans & Airflow:
Multiple chassis fans connected (RPM controlled via BIOS/Armoury Crate)
AIO pump: ~1400 RPM (monitored)
BIOS:
AI Overclocking: Disabled
XMP: Enabled (from the Easy menu thing in BIOS, default 6000 or whatever)
Display/Use Case:
Primary use: Gaming (Cyberpunk, Valorant), VMs, Browsing
Tools used: OCCT, HWiNFO, Adrenalin, Armoury Crate