Not loading Windows and not even BIOS

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   Hi,
I am using the system as listed below:
CPU/APU: AMD Ryzen 5 2400G
Mobo: ASRock B450M Pro4
Memory: 2 x 4GB Tforce Vulcan 3000MHz CAS 16
Storage: 500GB Samsung 970 Evo

I was using the system for two days, until I felt that I need to make changes in the BIOS. 
So, I went to the BIOS, Changed the GFX Core Voltage from AUTO to 1.550V (which is Max) and GFX Frequency from AUTO to 2500Mhz (which is listed as Max).
Saved the changes and from there until now, neither Windows is loading nor I am able to enter the BIOS despite the F2 or DEL keystrokes.

Help needed.

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kingkhanbayern Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 23 Nov 2018 Location: Ashford Status: Offline Points: 3	Post Options Post Reply Quote kingkhanbayern Report Post Thanks(0) Quote Reply Topic: Not loading Windows and not even BIOS Posted: 23 Nov 2018 at 7:00pm
	Hi, I am using the system as listed below: CPU/APU: AMD Ryzen 5 2400G Mobo: ASRock B450M Pro4 Memory: 2 x 4GB Tforce Vulcan 3000MHz CAS 16 Storage: 500GB Samsung 970 Evo I was using the system for two days, until I felt that I need to make changes in the BIOS. So, I went to the BIOS, Changed the GFX Core Voltage from AUTO to 1.550V (which is Max) and GFX Frequency from AUTO to 2500Mhz (which is listed as Max). Saved the changes and from there until now, neither Windows is loading nor I am able to enter the BIOS despite the F2 or DEL keystrokes. Help needed.

RLGL Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 29 Jul 2018 Location: MN Status: Offline Points: 2025	Post Options Post Reply Quote RLGL Report Post Thanks(0) Quote Reply Posted: 23 Nov 2018 at 11:01pm
	The board cannot handle the changes. Turn the power supply off, manually clear the cmos settings by jumping the pins, turn the PS back on and try to start.....What happens?
	Asrock Z370 Gaming K6,Intel i7 8700K, Asrock x570 Taichi