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ROG Crosshair X870E Hero how to disable iGPU

ExcessiveGBH
Level 10

Anyone one knows how to disable iGPU.  Poss somewhere in BIOS.

System specs
Win 11 Pro 23H2
ASUS ROG Crosshair X870E Hero
BIOS 1003
AMD Ryzen 7 9800X3D @5.5GHz
ASUS ROG Strix GeForce RTX 4090 OC 24GB @3015MHz
EK Quantum Kinetic TBE 120 DDC PWM Reservoir
EK Quantum Velocity 2 DRGB AM5 CPU Water Block Nickel Gold
Radiator G360
4 x Crucial T705 4TB PCIe 5.0 (only C drive @ PCIe 5)
1 x Diliving PCIe Gen4 SlimSAS 4X to U.2 NVMe Adapter cable
1 x Vantec Multi-Size M.2 NVMe to U.2 (SFF-8639) 2.5"" SSD Adapter case
1 x Seagate Exos X24 24TB
1 x Seagate Exos X22 22TB
G Skill 32GBTrident Z5 Royal Neo 6000MHz CL28-36-36-96 1.4V
Seasonic PRIME PX-2200 ATX 3.1 PSU
Denon AVC-A1H with 7.1.4 Triad speakers.
LGC1 77
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1 REPLY 1

ExcessiveGBH
Level 10

Ok found it in BIOS in NB configuration, Intergrated Grahics and Disable.

System specs
Win 11 Pro 23H2
ASUS ROG Crosshair X870E Hero
BIOS 1003
AMD Ryzen 7 9800X3D @5.5GHz
ASUS ROG Strix GeForce RTX 4090 OC 24GB @3015MHz
EK Quantum Kinetic TBE 120 DDC PWM Reservoir
EK Quantum Velocity 2 DRGB AM5 CPU Water Block Nickel Gold
Radiator G360
4 x Crucial T705 4TB PCIe 5.0 (only C drive @ PCIe 5)
1 x Diliving PCIe Gen4 SlimSAS 4X to U.2 NVMe Adapter cable
1 x Vantec Multi-Size M.2 NVMe to U.2 (SFF-8639) 2.5"" SSD Adapter case
1 x Seagate Exos X24 24TB
1 x Seagate Exos X22 22TB
G Skill 32GBTrident Z5 Royal Neo 6000MHz CL28-36-36-96 1.4V
Seasonic PRIME PX-2200 ATX 3.1 PSU
Denon AVC-A1H with 7.1.4 Triad speakers.
LGC1 77