I have a Asus Rog Strix Scar 15what the laptop model?
check cpu/gpu temp?
hdd or ssd health?
I have the 2TB Model and an external Logitech G102 Mousewhich one? https://rog.asus.com/laptops/rog-strix/rog-strix-scar-15-series/spec/
storage is either 2 tb nvme in raid or 1tb nvme in raid, so its unlikely to be the drives slowing it down.
any external devices plugged in?
tried updating drivers as they too can slow down the boot process - https://rog.asus.com/laptops/rog-strix/rog-strix-scar-15-series/helpdesk_download/
blank screen before logon screen could be PC is waiting for a piece of hardware to respond.