I've installed macOs big sur on my laptop, it comes with 4 same screen at a time. How to fix this?
Config :
Laptop Samsung Eureka np350v4x
Processor: Intel Core i7-3630QM (2.4 GHz, 6 MB cache)
Graphics: AMD Radeon 7670M (2 GB dedicated)
RAM: 6 GB DDR3
Storage: 480 GB SATA III SSD
Display: 14-inch HD (1366x768)