Computer Stuck At The "Press Del or F2 for bios screen"

Nov 2, 2018
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My computer just this week started showing me signs of an issue, as it stopped booting up super fast. It usually just went straight past the "Press Del or F2 for bios screen" but now it doesn't. It will boot past it, but only when I click the restart button on my case. I do have an SSD, which is almost full.

Please watch to see what I mean:

https://streamable.com/98mgt
 


Code:
Summary
		Operating System
			Windows 10 Home 64-bit
		CPU
			Intel Core i7 7700K @ 4.20GHz	29 °C
			Kaby Lake 14nm Technology
		RAM
			16.0GB Dual-Channel Unknown @ 1070MHz (15-15-15-36)
		Motherboard
			ASUSTeK COMPUTER INC. STRIX Z270E GAMING (LGA1151)	26 °C
		Graphics
			LG ULTRAWIDE (2560x1080@60Hz)
			LG HDR 4K (3840x2160@60Hz)
			3071MB NVIDIA GeForce GTX 1080 Ti (ASUStek Computer Inc)	26 °C
		Storage
			931GB Western Digital  (SATA )	22 °C
			931GB Western Digital  (SATA )	21 °C
			465GB Samsung SSD 960 EVO 500GB (Unknown (SSD))
			28GB SanDisk Ultra USB Device (USB )
		Optical Drives
			No optical disk drives detected
		Audio
			Realtek High Definition Audio

Yes, built it myself.
 
Someone please help me out. Also, I should mention that when the "Press Del or F2 for bios screen" comes up, it's completely frozen, pressing either buttons doesn't work.