When I record using ReLive in Gears of War 4 and an achievement pops it only records the sound and only records a black screen. I've made a short video of two such instances
GoW4 - YouTube
System:
Thermaltake level 20 VT case
MSI B450M Mortar Titanium
Ryzen 5 2600
MSI RX 580 8gb ARMOR
2x8gb G.Skill Trident 3000mhz
Thermaltake 750w gold RGB PSU
Samsung 960 evo M.2 NVME
Samsung 860 evo SSD
All drivers are up to date, TIA