Forum Discussion
ZepFluous
Jan 01, 2026Iron Contributor
Is the inability to disable CSM on Windows 10 motherboards affecting Fast Startup?
The Biostar B85 motherboard paired with a GTX770 graphics card runs Windows 10 (UEFI + GPT partitioning). The system still performs a self-test at startup and cannot enable Fast Startup. The CSM opti...
QuentinNash
Jan 06, 2026Iron Contributor
Your system's configuration involves several UEFI/CSM (Compatibility Support Module) settings that are preventing full enabling of Fast Startup and disabling CSM.