My computer won?™t boot, memory problem?

Currently writing this on my phone as my computer is unable to boot. So the computer I have has the following: ryzen 2600 cpu, rx 570 graphics card, an a320m-HDV motherboard, and recently added memory that is 2x8 3200mz Geilspear ram. I saw my ram was not running to its full potential so I went to the bios switched it to the only xmp profile and then set the vram speed to 3200 mz. The computer worked before with the new ram but now that I changed this it boots to a black screen and I am not able to access anything. Was wondering if there was a way I could manually reset the bios from this motherboard but I didn?™t find anything in the manual. Please help I?™ve spent a lot of money on this computer and it is necessary for schooling and would just suck to have all this money go down the drain. Appreciate you!

Thank you! I was eventually able to clear the cmos by removing the battery on the pegs where it says, CLRCMOS1 and then I held the power button down for 10 seconds (with everything disconnected, no power going into system) and then putting it back on the same pegs. After the restart it booted and I was able to access the bios. Turns out the motherboard I have can?™t support GEIL ram over 2400 MHz and I had set it at 3200. Hopefully this helps someone else.