the screen flashes/flickers black for a few seconds every 7-8 mins in build/buy

@MIssMariaSiya  If you have a standalone monitor, please disconnect its cable at both ends, blow out the connectors (both sides of both ends) with compressed air, and reseat the connectors.

If that doesn't help, please run a dxdiag and attach it to a post.

https://help.ea.com/en-us/help/pc/how-to-gather-dxdiag-information/