My friend's Fortnite use to work perfectly fine (no visual glitches or anything), and out of nowhere, the game would be flashing colours and glitchy visual effects. My friend for graphics uses
Fortnite İNTEL HD 4600 - 720p Low Settings - YouTube
Shadow Ops skin receives flashy new White Style option in Fortnite. Fortnite INTEL HD wallpaper | Pxfuel
Fortnite | Intel HD 4000 | Core i3 | Low Spec PC | - YouTube
Is the Intel HD Graphics 4600 enough to play Fortnite competitively? - Quora