Freezes and Unstable FPS With GT 1030

Aug 9, 2018
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Hello Guys,

I'm Really suffering with my PC i am getting totally unstable FPS through the normal games that don't need high end Graphics card, when i am playing fortnite or League of Legends with uncapped FPS rate, i see my FPS go between 120 to 16 and it never stops on a specific range, always keeps jumping up and down

Here are my Specs, i'll appreciate your help

CPU:AMD Phenom II X2 555
Graphics card: NVIDIA GeForce GT 1030
Motherboard: Gigabyte Technology Co. Ltd. Model : GA-MA78LMT-S2
RAM: 2x 8GB DDR3
OS: Windows 10