Pandelos

I just flashed an older BIOS, the issue is still there. I really don't know what to do.

Hi everyone, I feel like I've reached the end of my knowledge about pc building and troubleshooting in general, and maybe someone is an expert or god at seeing issues that look like mine. I had a Ryzen 5 2600 and an ASUS B450-F ROG motherboard, and wanted to upgrade. I bought a Ryzen 5800X and a MSI MPG B550 EDGE WIFI ATX. All seems fine, but everytime I boot my pc, before POST, there are some weird artefacts going on. What's more weird, it seems that they have like a memory (for instance, I overclocked my RAM and CPU, and through trial and error, I had some BSODs here and there, but after I got one, the screen where the artefacts are showing, had some remnants from the BSOD, like the sad smile ":(" or the text but stretched or way bigger accross the screen.) and I've tried to disable MSI's boot logo but to no help. My specs are as state above + AMD RX 580 XFX 4GB 4 x 8GB G.Skill Trident Z RGB 3200 16 18 18 36 2 m.2 SSD Corsair MP510 480GB PSU is Superflower Leadex II Gold 650W

But it seems stable at 75Hz, I tested it in Overwatch, theres something weird tho, the colors look like the contrast is too high Edit: tested it, pictures look solid but the contrast issue is still present.

I can go up to 75Hz with Nvidia Control panel, I have a Samsung LS27E390HS/EN. Is overclocking gonna cause damage to my monitor?

I am going to buy a "Super Flower Leadex Gold 650W" PSU and I was wondering if it can handle 2 x GTX 1070s in SLI, with a 6 core Ryzen processor (I am waiting for the refresh) and a Corsari H75 AIO Liquid cooler